*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/mdt/mdt_handler.c
*
#include <uapi/linux/lustre/lustre_param.h>
#include <lustre_quota.h>
#include <lustre_swab.h>
+#include <lustre_lmv.h>
#include <obd.h>
#include <obd_support.h>
#include <lustre_barrier.h>
#include <obd_cksum.h>
#include <llog_swab.h>
+#include <lustre_crypto.h>
#include "mdt_internal.h"
-static unsigned int max_mod_rpcs_per_client = 8;
-module_param(max_mod_rpcs_per_client, uint, 0644);
-MODULE_PARM_DESC(max_mod_rpcs_per_client, "maximum number of modify RPCs in flight allowed per client");
+#if OBD_OCD_VERSION(3, 0, 53, 0) > LUSTRE_VERSION_CODE
+static int mdt_max_mod_rpcs_per_client_set(const char *val,
+ cfs_kernel_param_arg_t *kp)
+{
+ unsigned int num;
+ int rc;
+
+ rc = kstrtouint(val, 0, &num);
+ if (rc < 0)
+ return rc;
+
+ if (num < 1 || num > OBD_MAX_RIF_MAX)
+ return -EINVAL;
+
+ CWARN("max_mod_rpcs_per_client is deprecated, set mdt.*.max_mod_rpcs_in_flight parameter instead\n");
+
+ max_mod_rpcs_per_client = num;
+ return 0;
+}
+static const struct kernel_param_ops
+ param_ops_max_mod_rpcs_per_client = {
+ .set = mdt_max_mod_rpcs_per_client_set,
+ .get = param_get_uint,
+};
+
+#define param_check_max_mod_rpcs_per_client(name, p) \
+ __param_check(name, p, unsigned int)
+
+module_param_cb(max_mod_rpcs_per_client,
+ ¶m_ops_max_mod_rpcs_per_client,
+ &max_mod_rpcs_per_client, 0644);
+
+MODULE_PARM_DESC(max_mod_rpcs_per_client,
+ "maximum number of modify RPCs in flight allowed per client (Deprecated)");
+#endif
mdl_mode_t mdt_mdl_lock_modes[] = {
- [LCK_MINMODE] = MDL_MINMODE,
- [LCK_EX] = MDL_EX,
- [LCK_PW] = MDL_PW,
- [LCK_PR] = MDL_PR,
- [LCK_CW] = MDL_CW,
- [LCK_CR] = MDL_CR,
- [LCK_NL] = MDL_NL,
- [LCK_GROUP] = MDL_GROUP
+ [LCK_MINMODE] = MDL_MINMODE,
+ [LCK_EX] = MDL_EX,
+ [LCK_PW] = MDL_PW,
+ [LCK_PR] = MDL_PR,
+ [LCK_CW] = MDL_CW,
+ [LCK_CR] = MDL_CR,
+ [LCK_NL] = MDL_NL,
+ [LCK_GROUP] = MDL_GROUP
};
enum ldlm_mode mdt_dlm_lock_modes[] = {
rep->lock_policy_res1 |= op_flag;
}
+/* assert lock is unlocked before reuse */
+static inline void mdt_lock_handle_assert(struct mdt_lock_handle *lh)
+{
+ LASSERT(!lustre_handle_is_used(&lh->mlh_reg_lh));
+ LASSERT(!lustre_handle_is_used(&lh->mlh_pdo_lh));
+ LASSERT(!lustre_handle_is_used(&lh->mlh_rreg_lh));
+}
+
void mdt_lock_reg_init(struct mdt_lock_handle *lh, enum ldlm_mode lm)
{
+ mdt_lock_handle_assert(lh);
lh->mlh_pdo_hash = 0;
lh->mlh_reg_mode = lm;
lh->mlh_rreg_mode = lm;
lh->mlh_type = MDT_REG_LOCK;
}
+void mdt_lh_reg_init(struct mdt_lock_handle *lh, struct ldlm_lock *lock)
+{
+ mdt_lock_reg_init(lh, lock->l_req_mode);
+ if (lock->l_req_mode == LCK_GROUP)
+ lh->mlh_gid = lock->l_policy_data.l_inodebits.li_gid;
+}
+
void mdt_lock_pdo_init(struct mdt_lock_handle *lh, enum ldlm_mode lock_mode,
const struct lu_name *lname)
{
+ mdt_lock_handle_assert(lh);
lh->mlh_reg_mode = lock_mode;
lh->mlh_pdo_mode = LCK_MINMODE;
lh->mlh_rreg_mode = lock_mode;
lname->ln_namelen);
/* XXX Workaround for LU-2856
*
- * Zero is a valid return value of full_name_hash, but
- * several users of mlh_pdo_hash assume a non-zero
- * hash value. We therefore map zero onto an
- * arbitrary, but consistent value (1) to avoid
- * problems further down the road. */
+ * Zero is a valid return value of full_name_hash, but several
+ * users of mlh_pdo_hash assume a non-zero hash value. We
+ * therefore map zero onto an arbitrary, but consistent
+ * value (1) to avoid problems further down the road.
+ */
if (unlikely(lh->mlh_pdo_hash == 0))
lh->mlh_pdo_hash = 1;
} else {
}
static void mdt_lock_pdo_mode(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh)
-{
- mdl_mode_t mode;
- ENTRY;
-
- /*
- * Any dir access needs couple of locks:
- *
- * 1) on part of dir we gonna take lookup/modify;
- *
- * 2) on whole dir to protect it from concurrent splitting and/or to
- * flush client's cache for readdir().
- *
- * so, for a given mode and object this routine decides what lock mode
- * to use for lock #2:
- *
- * 1) if caller's gonna lookup in dir then we need to protect dir from
- * being splitted only - LCK_CR
- *
- * 2) if caller's gonna modify dir then we need to protect dir from
- * being splitted and to flush cache - LCK_CW
- *
- * 3) if caller's gonna modify dir and that dir seems ready for
- * splitting then we need to protect it from any type of access
- * (lookup/modify/split) - LCK_EX --bzzz
- */
-
- LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
- LASSERT(lh->mlh_pdo_mode == LCK_MINMODE);
-
- /*
- * Ask underlaying level its opinion about preferable PDO lock mode
- * having access type passed as regular lock mode:
- *
- * - MDL_MINMODE means that lower layer does not want to specify lock
- * mode;
- *
- * - MDL_NL means that no PDO lock should be taken. This is used in some
- * cases. Say, for non-splittable directories no need to use PDO locks
- * at all.
- */
- mode = mdo_lock_mode(info->mti_env, mdt_object_child(o),
- mdt_dlm_mode2mdl_mode(lh->mlh_reg_mode));
-
- if (mode != MDL_MINMODE) {
- lh->mlh_pdo_mode = mdt_mdl_mode2dlm_mode(mode);
- } else {
- /*
- * Lower layer does not want to specify locking mode. We do it
- * our selves. No special protection is needed, just flush
- * client's cache on modification and allow concurrent
- * mondification.
- */
- switch (lh->mlh_reg_mode) {
- case LCK_EX:
- lh->mlh_pdo_mode = LCK_EX;
- break;
- case LCK_PR:
- lh->mlh_pdo_mode = LCK_CR;
- break;
- case LCK_PW:
- lh->mlh_pdo_mode = LCK_CW;
- break;
- default:
- CERROR("Not expected lock type (0x%x)\n",
- (int)lh->mlh_reg_mode);
- LBUG();
- }
- }
-
- LASSERT(lh->mlh_pdo_mode != LCK_MINMODE);
- EXIT;
+ struct mdt_lock_handle *lh)
+{
+ mdl_mode_t mode;
+
+ ENTRY;
+
+ /*
+ * Any dir access needs couple of locks:
+ *
+ * 1) on part of dir we gonna take lookup/modify;
+ *
+ * 2) on whole dir to protect it from concurrent splitting and/or to
+ * flush client's cache for readdir().
+ *
+ * so, for a given mode and object this routine decides what lock mode
+ * to use for lock #2:
+ *
+ * 1) if caller's gonna lookup in dir then we need to protect dir from
+ * being splitted only - LCK_CR
+ *
+ * 2) if caller's gonna modify dir then we need to protect dir from
+ * being splitted and to flush cache - LCK_CW
+ *
+ * 3) if caller's gonna modify dir and that dir seems ready for
+ * splitting then we need to protect it from any type of access
+ * (lookup/modify/split) - LCK_EX --bzzz
+ */
+
+ LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
+ LASSERT(lh->mlh_pdo_mode == LCK_MINMODE);
+
+ /*
+ * Ask underlaying level its opinion about preferable PDO lock mode
+ * having access type passed as regular lock mode:
+ *
+ * - MDL_MINMODE means that lower layer does not want to specify lock
+ * mode;
+ *
+ * - MDL_NL means that no PDO lock should be taken. This is used in some
+ * cases. Say, for non-splittable directories no need to use PDO locks
+ * at all.
+ */
+ mode = mdo_lock_mode(info->mti_env, mdt_object_child(o),
+ mdt_dlm_mode2mdl_mode(lh->mlh_reg_mode));
+
+ if (mode != MDL_MINMODE) {
+ lh->mlh_pdo_mode = mdt_mdl_mode2dlm_mode(mode);
+ } else {
+ /*
+ * Lower layer does not want to specify locking mode. We do it
+ * our selves. No special protection is needed, just flush
+ * client's cache on modification and allow concurrent
+ * mondification.
+ */
+ switch (lh->mlh_reg_mode) {
+ case LCK_EX:
+ lh->mlh_pdo_mode = LCK_EX;
+ break;
+ case LCK_PR:
+ lh->mlh_pdo_mode = LCK_CR;
+ break;
+ case LCK_PW:
+ lh->mlh_pdo_mode = LCK_CW;
+ break;
+ default:
+ CERROR("Not expected lock type (0x%x)\n",
+ (int)lh->mlh_reg_mode);
+ LBUG();
+ }
+ }
+
+ LASSERT(lh->mlh_pdo_mode != LCK_MINMODE);
+ EXIT;
+}
+
+/**
+ * Check whether \a o is directory stripe object.
+ *
+ * \param[in] info thread environment
+ * \param[in] o MDT object
+ *
+ * \retval 1 is directory stripe.
+ * \retval 0 isn't directory stripe.
+ * \retval < 1 error code
+ */
+static int mdt_is_dir_stripe(struct mdt_thread_info *info,
+ struct mdt_object *o)
+{
+ struct md_attr *ma = &info->mti_attr;
+ struct lmv_mds_md_v1 *lmv;
+ int rc;
+
+ rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LMV);
+ if (rc < 0)
+ return rc;
+
+ if (!(ma->ma_valid & MA_LMV))
+ return 0;
+
+ lmv = &ma->ma_lmv->lmv_md_v1;
+
+ if (!lmv_is_sane2(lmv))
+ return -EBADF;
+
+ if (le32_to_cpu(lmv->lmv_magic) == LMV_MAGIC_STRIPE)
+ return 1;
+
+ return 0;
}
static int mdt_lookup_fileset(struct mdt_thread_info *info, const char *fileset,
{
struct mdt_device *mdt = info->mti_mdt;
struct lu_name *lname = &info->mti_name;
+ const char *start = fileset;
char *filename = info->mti_filename;
- struct mdt_object *parent;
- u32 mode;
+ struct mdt_object *obj;
int rc = 0;
LASSERT(!info->mti_cross_ref);
*/
*fid = mdt->mdt_md_root_fid;
- while (rc == 0 && fileset != NULL && *fileset != '\0') {
- const char *s1 = fileset;
+ while (rc == 0 && start != NULL && *start != '\0') {
+ const char *s1 = start;
const char *s2;
while (*++s1 == '/')
if (s2 == s1)
break;
- fileset = s2;
+ start = s2;
lname->ln_namelen = s2 - s1;
if (lname->ln_namelen > NAME_MAX) {
}
/* reject .. as a path component */
- if (lname->ln_namelen == 2 &&
- strncmp(s1, "..", 2) == 0) {
+ if (lname->ln_namelen == 2 && strncmp(s1, "..", 2) == 0) {
rc = -EINVAL;
break;
}
filename[lname->ln_namelen] = '\0';
lname->ln_name = filename;
- parent = mdt_object_find(info->mti_env, mdt, fid);
- if (IS_ERR(parent)) {
- rc = PTR_ERR(parent);
+ obj = mdt_object_find(info->mti_env, mdt, fid);
+ if (IS_ERR(obj)) {
+ rc = PTR_ERR(obj);
break;
}
/* Only got the fid of this obj by name */
fid_zero(fid);
- rc = mdo_lookup(info->mti_env, mdt_object_child(parent), lname,
+ rc = mdo_lookup(info->mti_env, mdt_object_child(obj), lname,
fid, &info->mti_spec);
- mdt_object_put(info->mti_env, parent);
- }
- if (!rc) {
- parent = mdt_object_find(info->mti_env, mdt, fid);
- if (IS_ERR(parent))
- rc = PTR_ERR(parent);
- else {
- mode = lu_object_attr(&parent->mot_obj);
- mdt_object_put(info->mti_env, parent);
- if (!S_ISDIR(mode))
- rc = -ENOTDIR;
- }
+ if (!rc && !S_ISDIR(lu_object_attr(&obj->mot_obj)))
+ rc = -ENOTDIR;
+ mdt_object_put(info->mti_env, obj);
}
return rc;
if (rc)
GOTO(out, rc = err_serious(rc));
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GET_ROOT_PACK))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_GET_ROOT_PACK))
GOTO(out, rc = err_serious(-ENOMEM));
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
CDEBUG(D_INFO, "nodemap fileset is %s\n", nodemap_fileset);
if (fileset) {
/* consider fileset from client as a sub-fileset
- * of the nodemap one */
+ * of the nodemap one
+ */
OBD_ALLOC(buffer, PATH_MAX + 1);
if (buffer == NULL)
GOTO(out, rc = err_serious(-ENOMEM));
} else {
repbody->mbo_fid1 = mdt->mdt_md_root_fid;
}
+ exp->exp_root_fid = repbody->mbo_fid1;
repbody->mbo_valid |= OBD_MD_FLID;
EXIT;
struct obd_statfs *osfs;
struct mdt_body *reqbody = NULL;
struct mdt_statfs_cache *msf;
+ ktime_t kstart = ktime_get();
+ int current_blockbits;
int rc;
+ timeout_t at_est;
ENTRY;
svcpt = req->rq_rqbd->rqbd_svcpt;
/* This will trigger a watchdog timeout */
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_STATFS_LCW_SLEEP,
- (MDT_SERVICE_WATCHDOG_FACTOR *
- at_get(&svcpt->scp_at_estimate)) + 1);
+ at_est = obd_at_get(mdt->mdt_lu_dev.ld_obd, &svcpt->scp_at_estimate);
+ CFS_FAIL_TIMEOUT(OBD_FAIL_MDS_STATFS_LCW_SLEEP,
+ (MDT_SERVICE_WATCHDOG_FACTOR * at_est) + 1);
rc = mdt_check_ucred(info);
if (rc)
GOTO(out, rc = err_serious(rc));
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_STATFS_PACK))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_STATFS_PACK))
GOTO(out, rc = err_serious(-ENOMEM));
osfs = req_capsule_server_get(info->mti_pill, &RMF_OBD_STATFS);
msf = &mdt->mdt_osfs;
if (msf->msf_age + OBD_STATFS_CACHE_SECONDS <= ktime_get_seconds()) {
- /** statfs data is too old, get up-to-date one */
- if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
- rc = next->md_ops->mdo_statfs(info->mti_env,
- next, osfs);
- else
- rc = dt_statfs(info->mti_env, mdt->mdt_bottom,
- osfs);
- if (rc)
- GOTO(out, rc);
- spin_lock(&mdt->mdt_lock);
- msf->msf_osfs = *osfs;
- msf->msf_age = ktime_get_seconds();
- spin_unlock(&mdt->mdt_lock);
+ /** statfs data is too old, get up-to-date one */
+ if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
+ rc = next->md_ops->mdo_statfs(info->mti_env, next,
+ osfs);
+ else
+ rc = dt_statfs(info->mti_env, mdt->mdt_bottom, osfs);
+ if (rc)
+ GOTO(out, rc);
+ spin_lock(&mdt->mdt_lock);
+ msf->msf_osfs = *osfs;
+ msf->msf_age = ktime_get_seconds();
+ spin_unlock(&mdt->mdt_lock);
} else {
- /** use cached statfs data */
- spin_lock(&mdt->mdt_lock);
- *osfs = msf->msf_osfs;
- spin_unlock(&mdt->mdt_lock);
- }
+ /** use cached statfs data */
+ spin_lock(&mdt->mdt_lock);
+ *osfs = msf->msf_osfs;
+ spin_unlock(&mdt->mdt_lock);
+ }
+
+ /* tgd_blockbit is recordsize bits set during mkfs.
+ * This once set does not change. However, 'zfs set'
+ * can be used to change the MDT blocksize. Instead
+ * of using cached value of 'tgd_blockbit' always
+ * calculate the blocksize bits which may have
+ * changed.
+ */
+ current_blockbits = fls64(osfs->os_bsize) - 1;
- /* at least try to account for cached pages. its still racy and
- * might be under-reporting if clients haven't announced their
- * caches with brw recently */
- CDEBUG(D_SUPER | D_CACHE, "blocks cached %llu granted %llu"
- " pending %llu free %llu avail %llu\n",
+ /* Account for cached pages. its still racy and might be under-reporting
+ * if clients haven't announced their caches with brw recently
+ */
+ CDEBUG(D_SUPER | D_CACHE, "blocks cached %llu granted %llu pending %llu free %llu avail %llu\n",
tgd->tgd_tot_dirty, tgd->tgd_tot_granted,
tgd->tgd_tot_pending,
- osfs->os_bfree << tgd->tgd_blockbits,
- osfs->os_bavail << tgd->tgd_blockbits);
+ osfs->os_bfree << current_blockbits,
+ osfs->os_bavail << current_blockbits);
osfs->os_bavail -= min_t(u64, osfs->os_bavail,
((tgd->tgd_tot_dirty + tgd->tgd_tot_pending +
- osfs->os_bsize - 1) >> tgd->tgd_blockbits));
+ osfs->os_bsize - 1) >> current_blockbits));
tgt_grant_sanity_check(mdt->mdt_lu_dev.ld_obd, __func__);
+ if (mdt->mdt_lut.lut_no_create)
+ osfs->os_state |= OS_STATFS_NOCREATE;
CDEBUG(D_CACHE, "%llu blocks: %llu free, %llu avail; "
"%llu objects: %llu free; state %x\n",
osfs->os_blocks, osfs->os_bfree, osfs->os_bavail,
osfs->os_files, osfs->os_ffree, osfs->os_state);
if (!exp_grant_param_supp(tsi->tsi_exp) &&
- tgd->tgd_blockbits > COMPAT_BSIZE_SHIFT) {
+ current_blockbits > COMPAT_BSIZE_SHIFT) {
/* clients which don't support OBD_CONNECT_GRANT_PARAM
* should not see a block size > page size, otherwise
* cl_lost_grant goes mad. Therefore, we emulate a 4KB (=2^12)
* block size which is the biggest block size known to work
- * with all client's page size. */
- osfs->os_blocks <<= tgd->tgd_blockbits - COMPAT_BSIZE_SHIFT;
- osfs->os_bfree <<= tgd->tgd_blockbits - COMPAT_BSIZE_SHIFT;
- osfs->os_bavail <<= tgd->tgd_blockbits - COMPAT_BSIZE_SHIFT;
+ * with all client's page size.
+ */
+ osfs->os_blocks <<= current_blockbits - COMPAT_BSIZE_SHIFT;
+ osfs->os_bfree <<= current_blockbits - COMPAT_BSIZE_SHIFT;
+ osfs->os_bavail <<= current_blockbits - COMPAT_BSIZE_SHIFT;
osfs->os_bsize = 1 << COMPAT_BSIZE_SHIFT;
}
if (rc == 0)
- mdt_counter_incr(req, LPROC_MDT_STATFS);
+ mdt_counter_incr(req, LPROC_MDT_STATFS,
+ ktime_us_delta(ktime_get(), kstart));
out:
mdt_thread_info_fini(info);
RETURN(rc);
}
-/**
- * Pack size attributes into the reply.
- */
+__u32 mdt_lmm_dom_entry_check(struct lov_mds_md *lmm, int *is_dom_only)
+{
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_mds_md *v1;
+ __u32 off;
+ __u32 dom_stripesize = 0;
+ int i;
+ bool has_ost_stripes = false;
+
+ ENTRY;
+
+ if (is_dom_only)
+ *is_dom_only = 0;
+
+ if (le32_to_cpu(lmm->lmm_magic) != LOV_MAGIC_COMP_V1)
+ RETURN(0);
+
+ comp_v1 = (struct lov_comp_md_v1 *)lmm;
+ off = le32_to_cpu(comp_v1->lcm_entries[0].lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+
+ /* Fast check for DoM entry with no mirroring, should be the first */
+ if (le16_to_cpu(comp_v1->lcm_mirror_count) == 0 &&
+ !(lov_pattern(le32_to_cpu(v1->lmm_pattern)) & LOV_PATTERN_MDT))
+ RETURN(0);
+
+ /* check all entries otherwise */
+ for (i = 0; i < le16_to_cpu(comp_v1->lcm_entry_count); i++) {
+ struct lov_comp_md_entry_v1 *lcme;
+
+ lcme = &comp_v1->lcm_entries[i];
+ if (!(le32_to_cpu(lcme->lcme_flags) & LCME_FL_INIT))
+ continue;
+
+ off = le32_to_cpu(lcme->lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+
+ if (lov_pattern(le32_to_cpu(v1->lmm_pattern)) &
+ LOV_PATTERN_MDT)
+ dom_stripesize = le32_to_cpu(v1->lmm_stripe_size);
+ else
+ has_ost_stripes = true;
+
+ if (dom_stripesize && has_ost_stripes)
+ RETURN(dom_stripesize);
+ }
+ /* DoM-only case exits here */
+ if (is_dom_only && dom_stripesize)
+ *is_dom_only = 1;
+ RETURN(dom_stripesize);
+}
+
+/* Pack size attributes into the reply. */
int mdt_pack_size2body(struct mdt_thread_info *info,
const struct lu_fid *fid, struct lustre_handle *lh)
{
struct mdt_body *b;
struct md_attr *ma = &info->mti_attr;
- int dom_stripe;
+ __u32 dom_stripe;
bool dom_lock = false;
ENTRY;
!(ma->ma_valid & MA_LOV && ma->ma_lmm != NULL))
RETURN(-ENODATA);
- dom_stripe = mdt_lmm_dom_entry(ma->ma_lmm);
+ dom_stripe = mdt_lmm_dom_stripesize(ma->ma_lmm);
/* no DoM stripe, no size in reply */
- if (dom_stripe == LMM_NO_DOM)
+ if (!dom_stripe)
RETURN(-ENOENT);
if (lustre_handle_is_used(lh)) {
RETURN(0);
/* Either DoM lock exists or LMM has only DoM stripe then
- * return size on body. */
+ * return size on body.
+ */
b = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
mdt_dom_object_size(info->mti_env, info->mti_mdt, fid, b, dom_lock);
if (buf->lb_len == 0)
RETURN(0);
+ LASSERT(!info->mti_big_acl_used);
again:
rc = mo_xattr_get(env, next, buf, XATTR_NAME_ACL_ACCESS);
if (rc < 0) {
rc = 0;
} else if (rc == -EOPNOTSUPP) {
rc = 0;
- } else {
- if (rc == -ERANGE &&
- exp_connect_large_acl(info->mti_exp) &&
- buf->lb_buf != info->mti_big_acl) {
+ } else if (rc == -ERANGE) {
+ if (exp_connect_large_acl(info->mti_exp) &&
+ !info->mti_big_acl_used) {
if (info->mti_big_acl == NULL) {
info->mti_big_aclsize =
- MIN(mdt->mdt_max_ea_size,
- XATTR_SIZE_MAX);
+ min_t(unsigned int,
+ mdt->mdt_max_ea_size,
+ XATTR_SIZE_MAX);
OBD_ALLOC_LARGE(info->mti_big_acl,
info->mti_big_aclsize);
if (info->mti_big_acl == NULL) {
buf->lb_buf = info->mti_big_acl;
buf->lb_len = info->mti_big_aclsize;
-
+ info->mti_big_acl_used = 1;
goto again;
}
-
+ /* FS has ACL bigger that our limits */
+ CDEBUG(D_INODE, "%s: "DFID" ACL can't fit into %d\n",
+ mdt_obd_name(mdt), PFID(mdt_object_fid(o)),
+ info->mti_big_aclsize);
+ rc = -E2BIG;
+ } else {
CERROR("%s: unable to read "DFID" ACL: rc = %d\n",
mdt_obd_name(mdt), PFID(mdt_object_fid(o)), rc);
}
} else {
- int client;
- int server;
- int acl_buflen;
- int lmm_buflen = 0;
- int lmmsize = 0;
-
- acl_buflen = req_capsule_get_size(pill, &RMF_ACL, RCL_SERVER);
- if (acl_buflen >= rc)
- goto map;
-
- /* If LOV/LMA EA is small, we can reuse part of their buffer */
- client = ptlrpc_req_get_repsize(pill->rc_req);
- server = lustre_packed_msg_size(pill->rc_req->rq_repmsg);
- if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER)) {
- lmm_buflen = req_capsule_get_size(pill, &RMF_MDT_MD,
- RCL_SERVER);
- lmmsize = repbody->mbo_eadatasize;
- }
-
- if (client < server - acl_buflen - lmm_buflen + rc + lmmsize) {
- CDEBUG(D_INODE, "%s: client prepared buffer size %d "
- "is not big enough with the ACL size %d (%d)\n",
- mdt_obd_name(mdt), client, rc,
- server - acl_buflen - lmm_buflen + rc + lmmsize);
- repbody->mbo_aclsize = 0;
- repbody->mbo_valid &= ~OBD_MD_FLACL;
- RETURN(-ERANGE);
- }
-
-map:
- if (buf->lb_buf == info->mti_big_acl)
- info->mti_big_acl_used = 1;
-
rc = nodemap_map_acl(nodemap, buf->lb_buf,
rc, NODEMAP_FS_TO_CLIENT);
/* if all ACLs mapped out, rc is still >= 0 */
}
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
- const struct lu_attr *attr, const struct lu_fid *fid)
+ const struct lu_attr *attr, const struct lu_fid *fid)
{
- struct md_attr *ma = &info->mti_attr;
+ struct mdt_device *mdt = info->mti_mdt;
struct obd_export *exp = info->mti_exp;
+ struct md_attr *ma = &info->mti_attr;
struct lu_nodemap *nodemap = NULL;
LASSERT(ma->ma_valid & MA_INODE);
b->mbo_ctime = attr->la_ctime;
b->mbo_valid |= OBD_MD_FLCTIME;
}
+ if (attr->la_valid & LA_BTIME) {
+ b->mbo_btime = attr->la_btime;
+ b->mbo_valid |= OBD_MD_FLBTIME;
+ }
if (attr->la_valid & LA_FLAGS) {
b->mbo_flags = attr->la_flags;
b->mbo_valid |= OBD_MD_FLFLAGS;
b->mbo_nlink = attr->la_nlink;
b->mbo_valid |= OBD_MD_FLNLINK;
}
- if (attr->la_valid & (LA_UID|LA_GID)) {
+ if (attr->la_valid & (LA_UID|LA_GID|LA_PROJID)) {
nodemap = nodemap_get_from_exp(exp);
if (IS_ERR(nodemap))
goto out;
}
if (attr->la_valid & LA_PROJID) {
- /* TODO, nodemap for project id */
- b->mbo_projid = attr->la_projid;
+ b->mbo_projid = nodemap_map_id(nodemap, NODEMAP_PROJID,
+ NODEMAP_FS_TO_CLIENT,
+ attr->la_projid);
b->mbo_valid |= OBD_MD_FLPROJID;
}
/* just ignore blocks occupied by extend attributes on MDS */
b->mbo_blocks = 0;
/* if no object is allocated on osts, the size on mds is valid.
- * b=22272 */
+ * b=22272
+ */
b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
} else if ((ma->ma_valid & MA_LOV) && ma->ma_lmm != NULL) {
if (mdt_hsm_is_released(ma->ma_lmm)) {
else
b->mbo_blocks = 1;
b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
- } else if (info->mti_som_valid) { /* som is valid */
+ } else if (info->mti_som_strict && mdt->mdt_enable_strict_som) {
+ /* use SOM for size*/
b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
} else if (ma->ma_valid & MA_SOM) { /* lsom is valid */
b->mbo_valid |= OBD_MD_FLLAZYSIZE | OBD_MD_FLLAZYBLOCKS;
void mdt_client_compatibility(struct mdt_thread_info *info)
{
- struct mdt_body *body;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct obd_export *exp = req->rq_export;
- struct md_attr *ma = &info->mti_attr;
- struct lu_attr *la = &ma->ma_attr;
- ENTRY;
+ struct mdt_body *body;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct obd_export *exp = req->rq_export;
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+
+ ENTRY;
if (exp_connect_layout(exp))
/* the client can deal with 16-bit lmm_stripe_count */
RETURN_EXIT;
- body = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ body = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- if (!mdt_body_has_lov(la, body))
- RETURN_EXIT;
+ if (!mdt_body_has_lov(la, body))
+ RETURN_EXIT;
- /* now we have a reply with a lov for a client not compatible with the
- * layout lock so we have to clean the layout generation number */
- if (S_ISREG(la->la_mode))
- ma->ma_lmm->lmm_layout_gen = 0;
- EXIT;
+ /* now we have a reply with a lov for a client not compatible with the
+ * layout lock so we have to clean the layout generation number
+ */
+ if (S_ISREG(la->la_mode))
+ ma->ma_lmm->lmm_layout_gen = 0;
+ EXIT;
}
static int mdt_attr_get_eabuf_size(struct mdt_thread_info *info,
{
const struct lu_env *env = info->mti_env;
int rc;
+
ENTRY;
LASSERT(info->mti_big_lmm_used == 0);
RETURN(rc);
}
-int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
- struct md_attr *ma, const char *name)
+int __mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
+ struct md_attr *ma, const char *name)
{
struct md_object *next = mdt_object_child(o);
struct lu_buf *buf = &info->mti_buf;
LASSERT(buf->lb_buf);
+ if (!mdt_object_exists(o))
+ return -ENOENT;
+
+ if (mdt_object_remote(o) && S_ISDIR(lu_object_attr(&o->mot_obj)))
+ /* force reload layout for remote dir in case layout changed */
+ mo_invalidate(info->mti_env, mdt_object_child(o));
+
rc = mo_xattr_get(info->mti_env, next, buf, name);
if (rc > 0) {
!(exp_connect_flags(info->mti_exp) &
OBD_CONNECT_LFSCK)) {
return -EIO;
- } else {
- ma->ma_lmm_size = rc;
- ma->ma_valid |= MA_LOV;
}
+ ma->ma_lmm_size = rc;
+ ma->ma_valid |= MA_LOV;
} else if (strcmp(name, XATTR_NAME_LMV) == 0) {
if (info->mti_big_lmm_used)
ma->ma_lmv = info->mti_big_lmm;
rc = 0;
} else if (rc == -ERANGE) {
/* Default LMV has fixed size, so it must be able to fit
- * in the original buffer */
+ * in the original buffer
+ */
if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0)
return rc;
rc = mdt_big_xattr_get(info, o, name);
return rc;
}
+int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
+ struct md_attr *ma, const char *name)
+{
+ int rc;
+
+ if (!info->mti_big_lmm) {
+ OBD_ALLOC(info->mti_big_lmm, PAGE_SIZE);
+ if (!info->mti_big_lmm)
+ return -ENOMEM;
+ info->mti_big_lmmsize = PAGE_SIZE;
+ }
+
+ if (strcmp(name, XATTR_NAME_LOV) == 0) {
+ ma->ma_lmm = info->mti_big_lmm;
+ ma->ma_lmm_size = info->mti_big_lmmsize;
+ ma->ma_valid &= ~MA_LOV;
+ } else if (strcmp(name, XATTR_NAME_LMV) == 0) {
+ ma->ma_lmv = info->mti_big_lmm;
+ ma->ma_lmv_size = info->mti_big_lmmsize;
+ ma->ma_valid &= ~MA_LMV;
+ } else {
+ LBUG();
+ }
+
+ LASSERT(!info->mti_big_lmm_used);
+ rc = __mdt_stripe_get(info, o, ma, name);
+ /* since big_lmm is always used here, clear 'used' flag to avoid
+ * assertion in mdt_big_xattr_get().
+ */
+ info->mti_big_lmm_used = 0;
+
+ return rc;
+}
+
int mdt_attr_get_pfid(struct mdt_thread_info *info, struct mdt_object *o,
struct lu_fid *pfid)
{
struct link_ea_header *leh;
struct link_ea_entry *lee;
int rc;
+
ENTRY;
buf->lb_buf = info->mti_big_lmm;
rc = mo_xattr_get(info->mti_env, mdt_object_child(o),
buf, XATTR_NAME_LINK);
/* ignore errors, MA_PFID won't be set and it is
- * up to the caller to treat this as an error */
+ * up to the caller to treat this as an error
+ */
if (rc == -ERANGE || buf->lb_len == 0) {
rc = mdt_big_xattr_get(info, o, XATTR_NAME_LINK);
buf->lb_buf = info->mti_big_lmm;
RETURN(0);
}
+int mdt_attr_get_pfid_name(struct mdt_thread_info *info, struct mdt_object *o,
+ struct lu_fid *pfid, struct lu_name *lname)
+{
+ struct lu_buf *buf = &info->mti_buf;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ int reclen;
+ int rc;
+
+ buf->lb_buf = info->mti_xattr_buf;
+ buf->lb_len = sizeof(info->mti_xattr_buf);
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(o), buf,
+ XATTR_NAME_LINK);
+ if (rc == -ERANGE) {
+ rc = mdt_big_xattr_get(info, o, XATTR_NAME_LINK);
+ buf->lb_buf = info->mti_big_lmm;
+ buf->lb_len = info->mti_big_lmmsize;
+ }
+ if (rc < 0)
+ return rc;
+
+ if (rc < sizeof(*leh)) {
+ CERROR("short LinkEA on "DFID": rc = %d\n",
+ PFID(mdt_object_fid(o)), rc);
+ return -ENODATA;
+ }
+
+ leh = (struct link_ea_header *)buf->lb_buf;
+ lee = (struct link_ea_entry *)(leh + 1);
+ if (leh->leh_magic == __swab32(LINK_EA_MAGIC)) {
+ leh->leh_magic = LINK_EA_MAGIC;
+ leh->leh_reccount = __swab32(leh->leh_reccount);
+ leh->leh_len = __swab64(leh->leh_len);
+ }
+ if (leh->leh_magic != LINK_EA_MAGIC)
+ return -EINVAL;
+
+ if (leh->leh_reccount == 0)
+ return -ENODATA;
+
+ linkea_entry_unpack(lee, &reclen, lname, pfid);
+
+ return 0;
+}
+
int mdt_attr_get_complex(struct mdt_thread_info *info,
struct mdt_object *o, struct md_attr *ma)
{
int need = ma->ma_need;
int rc = 0, rc2;
u32 mode;
+
ENTRY;
ma->ma_valid = 0;
if (need & MA_INODE) {
ma->ma_need = MA_INODE;
+ if (need & MA_DIRENT_CNT)
+ ma->ma_attr.la_valid |= LA_DIRENT_CNT;
+ else
+ ma->ma_attr.la_valid &= ~LA_DIRENT_CNT;
rc = mo_attr_get(env, next, ma);
if (rc)
GOTO(out, rc);
}
if (need & MA_LOV && (S_ISREG(mode) || S_ISDIR(mode))) {
- rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LOV);
+ rc = __mdt_stripe_get(info, o, ma, XATTR_NAME_LOV);
if (rc)
GOTO(out, rc);
}
if (need & MA_LMV && S_ISDIR(mode)) {
- rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LMV);
+ rc = __mdt_stripe_get(info, o, ma, XATTR_NAME_LMV);
if (rc != 0)
GOTO(out, rc);
}
if (need & MA_LMV_DEF && S_ISDIR(mode)) {
- rc = mdt_stripe_get(info, o, ma, XATTR_NAME_DEFAULT_LMV);
+ rc = __mdt_stripe_get(info, o, ma, XATTR_NAME_DEFAULT_LMV);
if (rc != 0)
GOTO(out, rc);
}
- /*
- * In the handle of MA_INODE, we may already get the SOM attr.
- */
+ /* In the handle of MA_INODE, we may already get the SOM attr. */
if (need & MA_SOM && S_ISREG(mode) && !(ma->ma_valid & MA_SOM)) {
rc = mdt_get_som(info, o, ma);
if (rc != 0)
RETURN(rc);
}
+static void mdt_preset_encctx_size(struct mdt_thread_info *info)
+{
+ struct req_capsule *pill = info->mti_pill;
+
+ ENTRY;
+ if (req_capsule_has_field(pill, &RMF_FILE_ENCCTX,
+ RCL_SERVER))
+ /* pre-set size in server part with max size */
+ req_capsule_set_size(pill, &RMF_FILE_ENCCTX,
+ RCL_SERVER,
+ info->mti_mdt->mdt_max_mdsize);
+ EXIT;
+}
+
static int mdt_getattr_internal(struct mdt_thread_info *info,
- struct mdt_object *o, int ma_need)
+ struct mdt_object *o, int ma_need)
{
- struct md_object *next = mdt_object_child(o);
- const struct mdt_body *reqbody = info->mti_body;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct md_attr *ma = &info->mti_attr;
- struct lu_attr *la = &ma->ma_attr;
- struct req_capsule *pill = info->mti_pill;
- const struct lu_env *env = info->mti_env;
- struct mdt_body *repbody;
- struct lu_buf *buffer = &info->mti_buf;
- struct obd_export *exp = info->mti_exp;
- int rc;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct md_object *next = mdt_object_child(o);
+ const struct mdt_body *reqbody = info->mti_body;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+ struct req_capsule *pill = info->mti_pill;
+ const struct lu_env *env = info->mti_env;
+ struct mdt_body *repbody;
+ struct lu_buf *buffer = &info->mti_buf;
+ struct obd_export *exp = info->mti_exp;
+ ktime_t kstart = ktime_get();
+ int rc;
+
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETATTR_PACK))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_GETATTR_PACK))
RETURN(err_serious(-ENOMEM));
repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
ma->ma_valid = 0;
if (mdt_object_remote(o)) {
- /* This object is located on remote node.*/
- /* Return -ENOTSUPP for old client */
+ /* obj is located on remote node Return -ENOTSUPP(old client) */
if (!mdt_is_dne_client(req->rq_export))
GOTO(out, rc = -ENOTSUPP);
}
}
- if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
+ if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
reqbody->mbo_valid & OBD_MD_FLDIREA &&
- lustre_msg_get_opc(req->rq_reqmsg) == MDS_GETATTR) {
- /* get default stripe info for this dir. */
- ma->ma_need |= MA_LOV_DEF;
- }
- ma->ma_need |= ma_need;
+ lustre_msg_get_opc(req->rq_reqmsg) == MDS_GETATTR) {
+ /* get default stripe info for this dir. */
+ ma->ma_need |= MA_LOV_DEF;
+ }
+ ma->ma_need |= ma_need;
rc = mdt_attr_get_complex(info, o, ma);
if (unlikely(rc)) {
- CDEBUG(rc == -ENOENT ? D_OTHER : D_ERROR,
- "%s: getattr error for "DFID": rc = %d\n",
- mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)), rc);
+ CDEBUG_LIMIT(rc == -ENOENT ? D_OTHER : D_ERROR,
+ "%s: getattr error for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
RETURN(rc);
}
+ /* return immutable attr on fscrypt metadata files
+ * if fscrypt admin is not permitted
+ */
+ if (o->mot_obj.lo_header->loh_attr & LOHA_FSCRYPT_MD &&
+ !mdt_ucred(info)->uc_rbac_fscrypt_admin)
+ la->la_flags |= LUSTRE_IMMUTABLE_FL;
+
/* if file is released, check if a restore is running */
if (ma->ma_valid & MA_HSM) {
repbody->mbo_valid |= OBD_MD_TSTATE;
repbody->mbo_t_state = MS_RESTORE;
}
- if (likely(ma->ma_valid & MA_INODE))
- mdt_pack_attr2body(info, repbody, la, mdt_object_fid(o));
- else
- RETURN(-EFAULT);
+ if (unlikely(!(ma->ma_valid & MA_INODE)))
+ RETURN(-EFAULT);
+
+ mdt_pack_attr2body(info, repbody, la, mdt_object_fid(o));
- if (mdt_body_has_lov(la, reqbody)) {
- if (ma->ma_valid & MA_LOV) {
- LASSERT(ma->ma_lmm_size);
+ if (mdt_body_has_lov(la, reqbody)) {
+ u32 stripe_count = 1;
+ bool fixed_layout = false;
+
+ if (ma->ma_valid & MA_LOV) {
+ LASSERT(ma->ma_lmm_size);
repbody->mbo_eadatasize = ma->ma_lmm_size;
if (S_ISDIR(la->la_mode))
repbody->mbo_valid |= OBD_MD_FLDIREA;
else
repbody->mbo_valid |= OBD_MD_FLEASIZE;
mdt_dump_lmm(D_INFO, ma->ma_lmm, repbody->mbo_valid);
- }
+ }
if (ma->ma_valid & MA_LMV) {
+ struct lmv_mds_md_v1 *lmv = &ma->ma_lmv->lmv_md_v1;
+ u32 magic = le32_to_cpu(lmv->lmv_magic);
+
/* Return -ENOTSUPP for old client */
if (!mdt_is_striped_client(req->rq_export))
RETURN(-ENOTSUPP);
mdt_dump_lmv(D_INFO, ma->ma_lmv);
repbody->mbo_eadatasize = ma->ma_lmv_size;
repbody->mbo_valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
+
+ stripe_count = le32_to_cpu(lmv->lmv_stripe_count);
+ fixed_layout = lmv_is_fixed(lmv);
+ if (magic == LMV_MAGIC_STRIPE && lmv_is_restriping(lmv))
+ mdt_restripe_migrate_add(info, o);
+ else if (magic == LMV_MAGIC_V1 &&
+ lmv_is_restriping(lmv))
+ mdt_restripe_update_add(info, o);
}
if (ma->ma_valid & MA_LMV_DEF) {
/* Return -ENOTSUPP for old client */
repbody->mbo_valid |= (OBD_MD_FLDIREA |
OBD_MD_DEFAULT_MEA);
}
+ CDEBUG(D_VFSTRACE,
+ "dirent count %llu stripe count %u MDT count %d\n",
+ ma->ma_attr.la_dirent_count, stripe_count,
+ atomic_read(&mdt->mdt_mds_mds_conns) + 1);
+ if (ma->ma_attr.la_dirent_count != LU_DIRENT_COUNT_UNSET &&
+ ma->ma_attr.la_dirent_count >
+ mdt->mdt_restriper.mdr_dir_split_count &&
+ !fid_is_root(mdt_object_fid(o)) &&
+ mdt->mdt_enable_dir_auto_split &&
+ !o->mot_restriping &&
+ stripe_count < atomic_read(&mdt->mdt_mds_mds_conns) + 1 &&
+ !fixed_layout)
+ mdt_auto_split_add(info, o);
} else if (S_ISLNK(la->la_mode) &&
reqbody->mbo_valid & OBD_MD_LINKNAME) {
buffer->lb_buf = ma->ma_lmm;
/* eadatasize from client includes NULL-terminator, so
- * there is no need to read it */
+ * there is no need to read it
+ */
buffer->lb_len = reqbody->mbo_eadatasize - 1;
rc = mo_readlink(env, next, buffer);
if (unlikely(rc <= 0)) {
} else {
int print_limit = min_t(int, PAGE_SIZE - 128, rc);
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READLINK_EPROTO))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_READLINK_EPROTO))
rc -= 2;
repbody->mbo_valid |= OBD_MD_LINKNAME;
/* we need to report back size with NULL-terminator
- * because client expects that */
+ * because client expects that
+ */
repbody->mbo_eadatasize = rc + 1;
if (repbody->mbo_eadatasize != reqbody->mbo_eadatasize)
- CDEBUG(D_INODE, "%s: Read shorter symlink %d "
- "on "DFID ", expected %d\n",
+ CDEBUG(D_INODE, "%s: Read shorter symlink %d on "
+ DFID ", expected %d\n",
mdt_obd_name(info->mti_mdt),
rc, PFID(mdt_object_fid(o)),
reqbody->mbo_eadatasize - 1);
/* If the total CDEBUG() size is larger than a page, it
* will print a warning to the console, avoid this by
- * printing just the last part of the symlink. */
+ * printing just the last part of the symlink.
+ */
CDEBUG(D_INODE, "symlink dest %s%.*s, len = %d\n",
print_limit < rc ? "..." : "", print_limit,
(char *)ma->ma_lmm + rc - print_limit, rc);
rc = 0;
- }
- }
+ }
+ }
if (reqbody->mbo_valid & OBD_MD_FLMODEASIZE) {
repbody->mbo_max_mdsize = info->mti_mdt->mdt_max_mdsize;
if ((exp_connect_flags(req->rq_export) & OBD_CONNECT_ACL) &&
(reqbody->mbo_valid & OBD_MD_FLACL)) {
struct lu_nodemap *nodemap = nodemap_get_from_exp(exp);
+
if (IS_ERR(nodemap))
RETURN(PTR_ERR(nodemap));
#endif
out:
- if (rc == 0)
- mdt_counter_incr(req, LPROC_MDT_GETATTR);
+ if (rc == 0)
+ mdt_counter_incr(req, LPROC_MDT_GETATTR,
+ ktime_us_delta(ktime_get(), kstart));
- RETURN(rc);
+ RETURN(rc);
}
static int mdt_getattr(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
- struct mdt_object *obj = info->mti_object;
- struct req_capsule *pill = info->mti_pill;
- struct mdt_body *reqbody;
- struct mdt_body *repbody;
- int rc, rc2;
- ENTRY;
+ struct mdt_object *obj = info->mti_object;
+ struct req_capsule *pill = info->mti_pill;
+ struct mdt_body *reqbody;
+ struct mdt_body *repbody;
+ int rc, rc2;
+
+ ENTRY;
if (unlikely(info->mti_object == NULL))
RETURN(-EPROTO);
/* Unlike intent case where we need to pre-fill out buffers early on
* in intent policy for ldlm reasons, here we can have a much better
* guess at EA size by just reading it from disk.
- * Exceptions are readdir and (missing) directory striping */
- /* Readlink */
- if (reqbody->mbo_valid & OBD_MD_LINKNAME) {
+ * Exceptions are readdir and (missing) directory striping
+ */
+ if (reqbody->mbo_valid & OBD_MD_LINKNAME) { /* Readlink */
/* No easy way to know how long is the symlink, but it cannot
- * be more than PATH_MAX, so we allocate +1 */
+ * be more than PATH_MAX, so we allocate +1
+ */
rc = PATH_MAX + 1;
/* A special case for fs ROOT: getattr there might fetch
* default EA for entire fs, not just for this dir!
(lustre_msg_get_opc(mdt_info_req(info)->rq_reqmsg) ==
MDS_GETATTR)) {
/* Should the default strping be bigger, mdt_fix_reply
- * will reallocate */
+ * will reallocate
+ */
rc = DEF_REP_MD_SIZE;
} else {
/* Read the actual EA size from disk */
/* Set ACL reply buffer size as LUSTRE_POSIX_ACL_MAX_SIZE_OLD
* by default. If the target object has more ACL entries, then
- * enlarge the buffer when necessary. */
+ * enlarge the buffer when necessary.
+ */
req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
+ mdt_preset_encctx_size(info);
rc = req_capsule_server_pack(pill);
if (unlikely(rc != 0))
GOTO(out, rc = err_serious(rc));
- repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
- LASSERT(repbody != NULL);
+ repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ LASSERT(repbody != NULL);
repbody->mbo_eadatasize = 0;
repbody->mbo_aclsize = 0;
info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
+ rc = mdt_init_ucred(info, reqbody);
+ if (rc)
+ GOTO(out_shrink, rc);
+
rc = mdt_getattr_internal(info, obj, 0);
- EXIT;
+ if (unlikely(rc))
+ GOTO(out_ucred, rc);
+
+ rc = mdt_pack_encctx_in_reply(info, obj);
+ EXIT;
+out_ucred:
+ mdt_exit_ucred(info);
out_shrink:
mdt_client_compatibility(info);
rc2 = mdt_fix_reply(info);
if (rc > 0) {
/* not resent */
- mdt_lock_handle_init(lhc);
- mdt_lock_reg_init(lhc, LCK_EX);
- rc = mdt_reint_object_lock(info, obj, lhc, MDS_INODELOCK_LAYOUT,
- false);
+ __u64 lockpart = MDS_INODELOCK_LAYOUT;
+
+ /* take layout lock to prepare layout change */
+ if (layout->mlc_opc == MD_LAYOUT_WRITE)
+ lockpart |= MDS_INODELOCK_UPDATE;
+
+ rc = mdt_object_lock(info, obj, lhc, lockpart, LCK_EX);
if (rc)
RETURN(rc);
}
struct mdt_object *o1, *o2, *o;
struct mdt_lock_handle *lh1, *lh2;
struct mdc_swap_layouts *msl;
- int rc;
+ int rc;
+
ENTRY;
/* client does not support layout lock, so layout swaping
* layout lock yet. If those clients have already opened the file
* they won't be notified at all so that old layout may still be
* used to do IO. This can be fixed after file release is landed by
- * doing exclusive open and taking full EX ibits lock. - Jinshan */
+ * doing exclusive open and taking full EX ibits lock. - Jinshan
+ */
if (!exp_connect_layout(exp))
RETURN(-EOPNOTSUPP);
swap(o1, o2);
/* permission check. Make sure the calling process having permission
- * to write both files. */
+ * to write both files.
+ */
rc = mo_permission(info->mti_env, NULL, mdt_object_child(o1), NULL,
MAY_WRITE);
if (rc < 0)
GOTO(put, rc = -EPROTO);
lh1 = &info->mti_lh[MDT_LH_NEW];
- mdt_lock_reg_init(lh1, LCK_EX);
lh2 = &info->mti_lh[MDT_LH_OLD];
- mdt_lock_reg_init(lh2, LCK_EX);
-
rc = mdt_object_lock(info, o1, lh1, MDS_INODELOCK_LAYOUT |
- MDS_INODELOCK_XATTR);
+ MDS_INODELOCK_XATTR, LCK_EX);
if (rc < 0)
GOTO(put, rc);
rc = mdt_object_lock(info, o2, lh2, MDS_INODELOCK_LAYOUT |
- MDS_INODELOCK_XATTR);
+ MDS_INODELOCK_XATTR, LCK_EX);
if (rc < 0)
GOTO(unlock1, rc);
rc = mo_swap_layouts(info->mti_env, mdt_object_child(o1),
- mdt_object_child(o2), msl->msl_flags);
+ mdt_object_child(o2), 0, 0, msl->msl_flags);
if (rc < 0)
GOTO(unlock2, rc);
static int mdt_raw_lookup(struct mdt_thread_info *info,
struct mdt_object *parent,
- const struct lu_name *lname,
- struct ldlm_reply *ldlm_rep)
+ const struct lu_name *lname)
{
- struct lu_fid *child_fid = &info->mti_tmp_fid1;
- int rc;
+ struct lu_fid *fid = &info->mti_tmp_fid1;
+ struct mdt_body *repbody;
+ bool is_dotdot = false;
+ bool is_old_parent_stripe = false;
+ bool is_new_parent_checked = false;
+ int rc;
+
ENTRY;
LASSERT(!info->mti_cross_ref);
+ /* Always allow to lookup ".." */
+ if (lname->ln_namelen == 2 &&
+ lname->ln_name[0] == '.' && lname->ln_name[1] == '.') {
+ info->mti_spec.sp_permitted = 1;
+ is_dotdot = true;
+ if (mdt_is_dir_stripe(info, parent) == 1)
+ is_old_parent_stripe = true;
+ }
+ mdt_object_get(info->mti_env, parent);
+lookup:
/* Only got the fid of this obj by name */
- fid_zero(child_fid);
- rc = mdo_lookup(info->mti_env, mdt_object_child(info->mti_object),
- lname, child_fid, &info->mti_spec);
- if (rc == 0) {
- struct mdt_body *repbody;
+ fid_zero(fid);
+ rc = mdo_lookup(info->mti_env, mdt_object_child(parent), lname, fid,
+ &info->mti_spec);
+ mdt_object_put(info->mti_env, parent);
+ if (rc)
+ RETURN(rc);
+
+ /* getattr_name("..") should return master object FID for striped dir */
+ if (is_dotdot && (is_old_parent_stripe || !is_new_parent_checked)) {
+ parent = mdt_object_find(info->mti_env, info->mti_mdt, fid);
+ if (IS_ERR(parent))
+ RETURN(PTR_ERR(parent));
+
+ /* old client getattr_name("..") with stripe FID */
+ if (unlikely(is_old_parent_stripe)) {
+ is_old_parent_stripe = false;
+ goto lookup;
+ }
+
+ /* ".." may be a stripe */
+ if (unlikely(mdt_is_dir_stripe(info, parent) == 1)) {
+ is_new_parent_checked = true;
+ goto lookup;
+ }
+
+ mdt_object_put(info->mti_env, parent);
+ }
+
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ repbody->mbo_fid1 = *fid;
+ repbody->mbo_valid = OBD_MD_FLID;
+
+ RETURN(rc);
+}
+
+/**
+ * Find name matching hash
+ *
+ * We search \a child LinkEA for a name whose hash matches \a lname
+ * (it contains an encoded hash).
+ *
+ * \param info mdt thread info
+ * \param lname encoded hash to find
+ * \param parent parent object
+ * \param child object to search with LinkEA
+ *
+ * \retval 1 match found
+ * \retval 0 no match found
+ * \retval -ev negative errno upon error
+ */
+int find_name_matching_hash(struct mdt_thread_info *info, struct lu_name *lname,
+ struct mdt_object *parent, struct mdt_object *child)
+{
+ /* Here, lname is an encoded hash of on-disk name, and
+ * client is doing access without encryption key.
+ * So we need to get LinkEA, check parent fid is correct and
+ * compare name hash with the one in the request.
+ */
+ struct lu_buf *buf = &info->mti_big_buf;
+ struct lu_name name;
+ struct lu_fid pfid;
+ struct linkea_data ldata = { NULL };
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ struct lu_buf link = { 0 };
+ char *hash;
+ int reclen, count, rc;
+
+ ENTRY;
+ if (lname->ln_namelen < LL_CRYPTO_BLOCK_SIZE)
+ RETURN(-EINVAL);
+
+ buf = lu_buf_check_and_alloc(buf, PATH_MAX);
+ if (!buf->lb_buf)
+ RETURN(-ENOMEM);
+
+ ldata.ld_buf = buf;
+ rc = mdt_links_read(info, child, &ldata);
+ if (rc < 0)
+ RETURN(rc);
+
+ hash = kmalloc(lname->ln_namelen, GFP_NOFS);
+ if (!hash)
+ RETURN(-ENOMEM);
+ rc = critical_decode(lname->ln_name, lname->ln_namelen, hash);
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- repbody->mbo_fid1 = *child_fid;
- repbody->mbo_valid = OBD_MD_FLID;
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
- } else if (rc == -ENOENT) {
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
+ leh = buf->lb_buf;
+ lee = (struct link_ea_entry *)(leh + 1);
+ for (count = 0; count < leh->leh_reccount; count++) {
+ linkea_entry_unpack(lee, &reclen, &name, &pfid);
+ if (!parent || lu_fid_eq(&pfid, mdt_object_fid(parent))) {
+ lu_buf_check_and_alloc(&link, name.ln_namelen);
+ if (!link.lb_buf)
+ GOTO(out_match, rc = -ENOMEM);
+ rc = critical_decode(name.ln_name, name.ln_namelen,
+ link.lb_buf);
+
+ if (memcmp(LLCRYPT_EXTRACT_DIGEST(link.lb_buf, rc),
+ hash, LL_CRYPTO_BLOCK_SIZE) == 0) {
+ *lname = name;
+ break;
+ }
+ }
+ lee = (struct link_ea_entry *) ((char *)lee + reclen);
}
+ if (count == leh->leh_reccount)
+ rc = 0;
+ else
+ rc = 1;
+
+out_match:
+ lu_buf_free(&link);
+ kfree(hash);
RETURN(rc);
}
* (2)intent request will grant the lock to client.
*/
static int mdt_getattr_name_lock(struct mdt_thread_info *info,
- struct mdt_lock_handle *lhc,
- __u64 child_bits,
- struct ldlm_reply *ldlm_rep)
+ struct mdt_lock_handle *lhc,
+ __u64 child_bits,
+ struct ldlm_reply *ldlm_rep)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct mdt_body *reqbody = NULL;
- struct mdt_object *parent = info->mti_object;
- struct mdt_object *child;
- struct lu_fid *child_fid = &info->mti_tmp_fid1;
- struct lu_name *lname = NULL;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct mdt_body *reqbody = NULL;
+ struct mdt_object *parent = info->mti_object;
+ struct mdt_object *child = NULL;
+ struct lu_fid *child_fid = &info->mti_tmp_fid1;
+ struct lu_name *lname = NULL;
struct mdt_lock_handle *lhp = NULL;
- struct ldlm_lock *lock;
+ struct ldlm_lock *lock;
struct req_capsule *pill = info->mti_pill;
+ bool fscrypt_md = false;
__u64 try_bits = 0;
bool is_resent;
int ma_need = 0;
if (parent == NULL)
RETURN(-ENOENT);
+ if (info->mti_mdt->mdt_enable_dir_auto_split)
+ ma_need |= MA_DIRENT_CNT;
+
if (info->mti_cross_ref) {
/* Only getattr on the child. Parent is on another node. */
mdt_set_disposition(info, ldlm_rep,
DISP_LOOKUP_EXECD | DISP_LOOKUP_POS);
child = parent;
- CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", "
- "ldlm_rep = %p\n",
+ CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", ldlm_rep = %p\n",
PFID(mdt_object_fid(child)), ldlm_rep);
rc = mdt_check_resent_lock(info, child, lhc);
if (rc < 0) {
RETURN(rc);
} else if (rc > 0) {
- mdt_lock_handle_init(lhc);
- mdt_lock_reg_init(lhc, LCK_PR);
-
/*
* Object's name entry is on another MDS, it will
* request PERM lock only because LOOKUP lock is owned
child_bits &= ~(MDS_INODELOCK_LOOKUP |
MDS_INODELOCK_LAYOUT);
child_bits |= MDS_INODELOCK_PERM;
-
- rc = mdt_object_lock(info, child, lhc, child_bits);
+ rc = mdt_object_lock(info, child, lhc, child_bits,
+ LCK_PR);
if (rc < 0)
RETURN(rc);
}
RETURN(-ENOENT);
}
- rc = mdt_getattr_internal(info, child, 0);
+ rc = mdt_getattr_internal(info, child, ma_need);
if (unlikely(rc != 0)) {
mdt_object_unlock(info, child, lhc, 1);
RETURN(rc);
}
rc = mdt_pack_secctx_in_reply(info, child);
+ if (unlikely(rc)) {
+ mdt_object_unlock(info, child, lhc, 1);
+ RETURN(rc);
+ }
+
+ rc = mdt_pack_encctx_in_reply(info, child);
if (unlikely(rc))
mdt_object_unlock(info, child, lhc, 1);
RETURN(rc);
lname = &info->mti_name;
mdt_name_unpack(pill, &RMF_NAME, lname, MNF_FIX_ANON);
- if (lu_name_is_valid(lname)) {
- CDEBUG(D_INODE, "getattr with lock for "DFID"/"DNAME", "
- "ldlm_rep = %p\n", PFID(mdt_object_fid(parent)),
+ if (info->mti_body->mbo_valid & OBD_MD_NAMEHASH) {
+ reqbody = req_capsule_client_get(pill, &RMF_MDT_BODY);
+ if (unlikely(reqbody == NULL))
+ RETURN(err_serious(-EPROTO));
+
+ *child_fid = reqbody->mbo_fid2;
+ if (unlikely(!fid_is_sane(child_fid)))
+ RETURN(err_serious(-EINVAL));
+
+ if (lu_fid_eq(mdt_object_fid(parent), child_fid)) {
+ mdt_object_get(info->mti_env, parent);
+ child = parent;
+ } else {
+ child = mdt_object_find(info->mti_env, info->mti_mdt,
+ child_fid);
+ if (IS_ERR(child))
+ RETURN(PTR_ERR(child));
+ }
+
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", ldlm_rep = %p\n",
+ PFID(mdt_object_fid(parent)),
+ PFID(&reqbody->mbo_fid2), ldlm_rep);
+ } else if (lu_name_is_valid(lname)) {
+ if (mdt_object_remote(parent)) {
+ CERROR("%s: parent "DFID" is on remote target\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(parent)));
+ RETURN(-EPROTO);
+ }
+
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DNAME", ldlm_rep = %p\n",
+ PFID(mdt_object_fid(parent)),
PNAME(lname), ldlm_rep);
+
+ if (parent->mot_obj.lo_header->loh_attr & LOHA_FSCRYPT_MD ||
+ (fid_is_root(mdt_object_fid(parent)) &&
+ lname->ln_namelen == strlen(dot_fscrypt_name) &&
+ strncmp(lname->ln_name, dot_fscrypt_name,
+ lname->ln_namelen) == 0))
+ fscrypt_md = true;
} else {
reqbody = req_capsule_client_get(pill, &RMF_MDT_BODY);
if (unlikely(reqbody == NULL))
RETURN(err_serious(-EPROTO));
*child_fid = reqbody->mbo_fid2;
-
if (unlikely(!fid_is_sane(child_fid)))
RETURN(err_serious(-EINVAL));
- CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", "
- "ldlm_rep = %p\n",
+ if (lu_fid_eq(mdt_object_fid(parent), child_fid)) {
+ mdt_object_get(info->mti_env, parent);
+ child = parent;
+ } else {
+ child = mdt_object_find(info->mti_env, info->mti_mdt,
+ child_fid);
+ if (IS_ERR(child))
+ RETURN(PTR_ERR(child));
+ }
+
+ if (mdt_object_remote(child)) {
+ CERROR("%s: child "DFID" is on remote target\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(child)));
+ GOTO(out_child, rc = -EPROTO);
+ }
+
+ /* don't fetch LOOKUP lock if it's remote object */
+ rc = mdt_is_remote_object(info, parent, child);
+ if (rc < 0)
+ GOTO(out_child, rc);
+ if (rc)
+ child_bits &= ~MDS_INODELOCK_LOOKUP;
+
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", ldlm_rep = %p\n",
PFID(mdt_object_fid(parent)),
PFID(&reqbody->mbo_fid2), ldlm_rep);
}
mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_EXECD);
- if (unlikely(!mdt_object_exists(parent)) && lu_name_is_valid(lname)) {
+ if (unlikely(!mdt_object_exists(parent)) &&
+ !(info->mti_body->mbo_valid & OBD_MD_NAMEHASH) &&
+ lu_name_is_valid(lname)) {
LU_OBJECT_DEBUG(D_INODE, info->mti_env,
&parent->mot_obj,
"Parent doesn't exist!");
- RETURN(-ESTALE);
+ GOTO(out_child, rc = -ESTALE);
}
- if (mdt_object_remote(parent)) {
- CERROR("%s: parent "DFID" is on remote target\n",
- mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(parent)));
- RETURN(-EIO);
- }
-
- if (lu_name_is_valid(lname)) {
- /* Always allow to lookup ".." */
- if (unlikely(lname->ln_namelen == 2 &&
- lname->ln_name[0] == '.' &&
- lname->ln_name[1] == '.'))
- info->mti_spec.sp_permitted = 1;
-
+ if (!child && is_resent) {
+ lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
+ if (lock == NULL) {
+ /* Lock is pinned by ldlm_handle_enqueue0() as it is
+ * a resend case, however, it could be already destroyed
+ * due to client eviction or a raced cancel RPC.
+ */
+ LDLM_DEBUG_NOLOCK("Invalid lock handle %#llx",
+ lhc->mlh_reg_lh.cookie);
+ RETURN(-ESTALE);
+ }
+ fid_extract_from_res_name(child_fid,
+ &lock->l_resource->lr_name);
+ LDLM_LOCK_PUT(lock);
+ child = mdt_object_find(info->mti_env, info->mti_mdt,
+ child_fid);
+ if (IS_ERR(child))
+ RETURN(PTR_ERR(child));
+ } else if (!(info->mti_body->mbo_valid & OBD_MD_NAMEHASH) &&
+ lu_name_is_valid(lname)) {
if (info->mti_body->mbo_valid == OBD_MD_FLID) {
- rc = mdt_raw_lookup(info, parent, lname, ldlm_rep);
+ rc = mdt_raw_lookup(info, parent, lname);
RETURN(rc);
}
/* step 1: lock parent only if parent is a directory */
if (S_ISDIR(lu_object_attr(&parent->mot_obj))) {
lhp = &info->mti_lh[MDT_LH_PARENT];
- mdt_lock_pdo_init(lhp, LCK_PR, lname);
- rc = mdt_object_lock(info, parent, lhp,
- MDS_INODELOCK_UPDATE);
+ rc = mdt_parent_lock(info, parent, lhp, lname, LCK_PR);
if (unlikely(rc != 0))
RETURN(rc);
}
- /* step 2: lookup child's fid by name */
- fid_zero(child_fid);
+ /* step 2: lookup child's fid by name */
+ fid_zero(child_fid);
rc = mdo_lookup(info->mti_env, mdt_object_child(parent), lname,
child_fid, &info->mti_spec);
if (rc == -ENOENT)
mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
if (rc != 0)
- GOTO(out_parent, rc);
- }
-
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
+ GOTO(unlock_parent, rc);
- /*
- *step 3: find the child object by fid & lock it.
- * regardless if it is local or remote.
- *
- *Note: LU-3240 (commit 762f2114d282a98ebfa4dbbeea9298a8088ad24e)
- * set parent dir fid the same as child fid in getattr by fid case
- * we should not lu_object_find() the object again, could lead
- * to hung if there is a concurrent unlink destroyed the object.
- */
- if (lu_fid_eq(mdt_object_fid(parent), child_fid)) {
- mdt_object_get(info->mti_env, parent);
- child = parent;
- } else {
child = mdt_object_find(info->mti_env, info->mti_mdt,
child_fid);
+ if (unlikely(IS_ERR(child)))
+ GOTO(unlock_parent, rc = PTR_ERR(child));
}
- if (unlikely(IS_ERR(child)))
- GOTO(out_parent, rc = PTR_ERR(child));
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
+
+ /* step 3: lock child regardless if it is local or remote. */
+ LASSERT(child);
+
+ if (info->mti_body->mbo_valid & OBD_MD_NAMEHASH) {
+ /* Here, lname is an encoded hash of on-disk name, and
+ * client is doing access without encryption key.
+ * So we need to compare name hash with the one in the request.
+ */
+ if (!find_name_matching_hash(info, lname, parent,
+ child)) {
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
+ mdt_clear_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
+ GOTO(out_child, rc = -ENOENT);
+ }
+ }
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_RESEND, obd_timeout * 2);
+ CFS_FAIL_TIMEOUT(OBD_FAIL_MDS_RESEND, obd_timeout * 2);
if (!mdt_object_exists(child)) {
LU_OBJECT_DEBUG(D_INODE, info->mti_env,
&child->mot_obj,
if (rc < 0) {
GOTO(out_child, rc);
} else if (rc > 0) {
- mdt_lock_handle_init(lhc);
- mdt_lock_reg_init(lhc, LCK_PR);
-
if (!(child_bits & MDS_INODELOCK_UPDATE) &&
!mdt_object_remote(child)) {
struct md_attr *ma = &info->mti_attr;
* return not only a LOOKUP lock, but also an UPDATE
* lock and this might save us RPC on later STAT. For
* directories, it also let negative dentry cache start
- * working for this dir. */
+ * working for this dir.
+ */
if (ma->ma_valid & MA_INODE &&
ma->ma_attr.la_valid & LA_CTIME &&
info->mti_mdt->mdt_namespace->ns_ctime_age_limit +
}
/* layout lock must be granted in a best-effort way
- * for IT operations */
+ * for IT operations
+ */
LASSERT(!(child_bits & MDS_INODELOCK_LAYOUT));
if (S_ISREG(lu_object_attr(&child->mot_obj)) &&
!mdt_object_remote(child) && ldlm_rep != NULL) {
- if (!OBD_FAIL_CHECK(OBD_FAIL_MDS_NO_LL_GETATTR) &&
+ if (!CFS_FAIL_CHECK(OBD_FAIL_MDS_NO_LL_GETATTR) &&
exp_connect_layout(info->mti_exp)) {
/* try to grant layout lock for regular file. */
try_bits = MDS_INODELOCK_LAYOUT;
try_bits |= MDS_INODELOCK_DOM;
}
+ /*
+ * To avoid possible deadlock between batched statahead RPC
+ * and rename()/migrate() operation, it should use trylock to
+ * obtain the DLM PR ibits lock for file attributes in a
+ * batched statahead RPC. A failed trylock means that other
+ * users maybe modify the directory simultaneously as in current
+ * Lustre design the server only grants read lock to a client.
+ *
+ * When a trylock failed, the MDT reports the conflict with
+ * error code -EBUSY, and stops statahead immediately.
+ */
+ if (info->mti_batch_env) {
+ /*
+ * This is a sub stat-ahead request in a batched RPC.
+ * However, the @child is a remote object, we just
+ * return -EREMOTE here to forbid stat-ahead on it.
+ */
+ if (mdt_object_remote(child))
+ GOTO(out_child, rc = -EREMOTE);
+
+ try_bits |= child_bits;
+ child_bits = 0;
+ }
+
if (try_bits != 0) {
/* try layout lock, it may fail to be granted due to
- * contention at LOOKUP or UPDATE */
+ * contention at LOOKUP or UPDATE
+ */
rc = mdt_object_lock_try(info, child, lhc, &child_bits,
- try_bits, false);
+ try_bits, LCK_PR);
if (child_bits & MDS_INODELOCK_LAYOUT)
ma_need |= MA_LOV;
} else {
/* Do not enqueue the UPDATE lock from MDT(cross-MDT),
- * client will enqueue the lock to the remote MDT */
+ * client will enqueue the lock to the remote MDT
+ */
if (mdt_object_remote(child))
- child_bits &= ~MDS_INODELOCK_UPDATE;
- rc = mdt_object_lock(info, child, lhc, child_bits);
+ rc = mdt_object_lookup_lock(info, NULL, child,
+ lhc, LCK_PR);
+ else
+ rc = mdt_object_lock(info, child, lhc,
+ child_bits, LCK_PR);
}
if (unlikely(rc != 0))
GOTO(out_child, rc);
+ if (info->mti_batch_env && child_bits == 0) {
+ if (!is_resent)
+ mdt_object_unlock(info, child, lhc, 1);
+ GOTO(out_child, rc = -EBUSY);
+ }
}
+ if (fscrypt_md)
+ child->mot_obj.lo_header->loh_attr |= LOHA_FSCRYPT_MD;
+
/* finally, we can get attr for child. */
rc = mdt_getattr_internal(info, child, ma_need);
if (unlikely(rc != 0)) {
- mdt_object_unlock(info, child, lhc, 1);
+ if (!is_resent)
+ mdt_object_unlock(info, child, lhc, 1);
GOTO(out_child, rc);
}
rc = mdt_pack_secctx_in_reply(info, child);
if (unlikely(rc)) {
- mdt_object_unlock(info, child, lhc, 1);
+ if (!is_resent)
+ mdt_object_unlock(info, child, lhc, 1);
+ GOTO(out_child, rc);
+ }
+
+ rc = mdt_pack_encctx_in_reply(info, child);
+ if (unlikely(rc)) {
+ if (!is_resent)
+ mdt_object_unlock(info, child, lhc, 1);
GOTO(out_child, rc);
}
PLDLMRES(lock->l_resource),
PFID(mdt_object_fid(child)));
- if (S_ISREG(lu_object_attr(&child->mot_obj)) &&
- !mdt_object_remote(child) && child != parent) {
+ if (unlikely(CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_ENQ_RESEND))) {
+ if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT))
+ CFS_FAIL_TIMEOUT(OBD_FAIL_PTLRPC_ENQ_RESEND,
+ req->rq_deadline -
+ req->rq_arrival_time.tv_sec +
+ cfs_fail_val ?: 3);
+ /* Put the lock to the waiting list and force the cancel */
+ ldlm_set_ast_sent(lock);
+ }
+
+ /*
+ * check whether the object is remote as we can't
+ * really check attributes w/o explicit check for
+ * object's existence first.
+ */
+ if (!mdt_object_remote(child) && child != parent &&
+ S_ISREG(lu_object_attr(&child->mot_obj))) {
mdt_object_put(info->mti_env, child);
rc = mdt_pack_size2body(info, child_fid,
&lhc->mlh_reg_lh);
unlock_res_and_lock(lock);
}
LDLM_LOCK_PUT(lock);
- GOTO(out_parent, rc = 0);
+ GOTO(unlock_parent, rc = 0);
}
LDLM_LOCK_PUT(lock);
}
EXIT;
out_child:
- mdt_object_put(info->mti_env, child);
-out_parent:
+ if (child)
+ mdt_object_put(info->mti_env, child);
+unlock_parent:
if (lhp)
mdt_object_unlock(info, parent, lhp, 1);
+ if (rc == -ENOENT) {
+ /* return -ENOKEY instead of -ENOENT to encryption-unaware
+ * client if trying to access an encrypted file
+ */
+ int rc2 = mdt_check_enc(info, parent);
+
+ if (rc2)
+ rc = rc2;
+ }
return rc;
}
static int mdt_getattr_name(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
- struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_CHILD];
- struct mdt_body *reqbody;
- struct mdt_body *repbody;
- int rc, rc2;
- ENTRY;
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_CHILD];
+ struct mdt_body *reqbody;
+ struct mdt_body *repbody;
+ int rc, rc2;
+
+ ENTRY;
- reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
- LASSERT(reqbody != NULL);
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- LASSERT(repbody != NULL);
+ reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ LASSERT(reqbody != NULL);
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ LASSERT(repbody != NULL);
info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
repbody->mbo_eadatasize = 0;
repbody->mbo_aclsize = 0;
- rc = mdt_init_ucred_intent_getattr(info, reqbody);
- if (unlikely(rc))
- GOTO(out_shrink, rc);
-
- rc = mdt_getattr_name_lock(info, lhc, MDS_INODELOCK_UPDATE, NULL);
- if (lustre_handle_is_used(&lhc->mlh_reg_lh)) {
- ldlm_lock_decref(&lhc->mlh_reg_lh, lhc->mlh_reg_mode);
- lhc->mlh_reg_lh.cookie = 0;
- }
- mdt_exit_ucred(info);
- EXIT;
+ rc = mdt_init_ucred(info, reqbody);
+ if (unlikely(rc))
+ GOTO(out_shrink, rc);
+
+ rc = mdt_getattr_name_lock(info, lhc, MDS_INODELOCK_UPDATE, NULL);
+ if (lustre_handle_is_used(&lhc->mlh_reg_lh)) {
+ ldlm_lock_decref(&lhc->mlh_reg_lh, lhc->mlh_reg_mode);
+ lhc->mlh_reg_lh.cookie = 0;
+ }
+ mdt_exit_ucred(info);
+ EXIT;
out_shrink:
- mdt_client_compatibility(info);
- rc2 = mdt_fix_reply(info);
- if (rc == 0)
- rc = rc2;
+ mdt_client_compatibility(info);
+ rc2 = mdt_fix_reply(info);
+ if (rc == 0)
+ rc = rc2;
mdt_thread_info_fini(info);
return rc;
}
struct mdt_object *obj, s64 ctime)
{
struct lu_fid *child_fid = &info->mti_tmp_fid1;
- struct ldlm_enqueue_info *einfo = &info->mti_einfo[0];
+ struct ldlm_enqueue_info *einfo = &info->mti_einfo;
struct mdt_device *mdt = info->mti_mdt;
struct md_attr *ma = &info->mti_attr;
struct mdt_lock_handle *parent_lh;
struct mdt_lock_handle *child_lh;
struct mdt_object *pobj;
- bool cos_incompat = false;
int rc;
+
ENTRY;
pobj = mdt_object_find(info->mti_env, mdt, pfid);
GOTO(out, rc = PTR_ERR(pobj));
parent_lh = &info->mti_lh[MDT_LH_PARENT];
- mdt_lock_pdo_init(parent_lh, LCK_PW, name);
- rc = mdt_object_lock(info, pobj, parent_lh, MDS_INODELOCK_UPDATE);
+ rc = mdt_parent_lock(info, pobj, parent_lh, name, LCK_PW);
if (rc != 0)
GOTO(put_parent, rc);
- if (mdt_object_remote(pobj))
- cos_incompat = true;
-
rc = mdo_lookup(info->mti_env, mdt_object_child(pobj),
name, child_fid, &info->mti_spec);
if (rc != 0)
GOTO(unlock_parent, rc = -EREMCHG);
child_lh = &info->mti_lh[MDT_LH_CHILD];
- mdt_lock_reg_init(child_lh, LCK_EX);
- rc = mdt_reint_striped_lock(info, obj, child_lh,
- MDS_INODELOCK_LOOKUP | MDS_INODELOCK_UPDATE,
- einfo, cos_incompat);
+ rc = mdt_object_stripes_lock(info, pobj, obj, child_lh, einfo,
+ MDS_INODELOCK_LOOKUP |
+ MDS_INODELOCK_UPDATE, LCK_EX);
if (rc != 0)
GOTO(unlock_parent, rc);
mutex_unlock(&obj->mot_lov_mutex);
unlock_child:
- mdt_reint_striped_unlock(info, obj, child_lh, einfo, 1);
+ mdt_object_stripes_unlock(info, obj, child_lh, einfo, 1);
unlock_parent:
mdt_object_unlock(info, pobj, parent_lh, 1);
put_parent:
struct md_attr *ma = &info->mti_attr;
struct lu_attr *la = &ma->ma_attr;
int rc = 0;
+
ENTRY;
ma->ma_need = MA_INODE;
GOTO(out, rc);
if (la->la_flags & LUSTRE_IMMUTABLE_FL)
- rc = -EACCES;
+ rc = -EACCES;
- if (md_capable(uc, CFS_CAP_DAC_OVERRIDE))
+ /* we want rbac roles to have precedence over any other
+ * permission or capability checks
+ */
+ if (!uc->uc_rbac_byfid_ops)
+ RETURN(-EPERM);
+ if (cap_raised(uc->uc_cap, CAP_DAC_OVERRIDE))
RETURN(0);
if (uc->uc_fsuid == la->la_uid) {
- if ((la->la_mode & S_IWUSR) == 0)
+ if ((la->la_mode & 0200) == 0)
rc = -EACCES;
} else if (uc->uc_fsgid == la->la_gid) {
- if ((la->la_mode & S_IWGRP) == 0)
+ if ((la->la_mode & 0020) == 0)
rc = -EACCES;
- } else if ((la->la_mode & S_IWOTH) == 0) {
+ } else if ((la->la_mode & 0002) == 0) {
rc = -EACCES;
}
struct link_ea_header *leh;
struct link_ea_entry *lee;
int reclen, count, rc = 0;
+
ENTRY;
if (!fid_is_sane(fid))
int bufsize, rc;
__u32 *rcs;
int i, nr;
+
ENTRY;
reqbody = req_capsule_client_get(tsi->tsi_pill, &RMF_MDT_BODY);
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void __user *uarg);
+int mdt_io_set_info(struct tgt_session_info *tsi)
+{
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct ost_body *body = NULL, *repbody;
+ void *key, *val = NULL;
+ int keylen, vallen, rc = 0;
+ bool is_grant_shrink;
+
+ ENTRY;
+
+ key = req_capsule_client_get(tsi->tsi_pill, &RMF_SETINFO_KEY);
+ if (key == NULL) {
+ DEBUG_REQ(D_HA, req, "no set_info key");
+ RETURN(err_serious(-EFAULT));
+ }
+ keylen = req_capsule_get_size(tsi->tsi_pill, &RMF_SETINFO_KEY,
+ RCL_CLIENT);
+
+ val = req_capsule_client_get(tsi->tsi_pill, &RMF_SETINFO_VAL);
+ if (val == NULL) {
+ DEBUG_REQ(D_HA, req, "no set_info val");
+ RETURN(err_serious(-EFAULT));
+ }
+ vallen = req_capsule_get_size(tsi->tsi_pill, &RMF_SETINFO_VAL,
+ RCL_CLIENT);
+
+ is_grant_shrink = KEY_IS(KEY_GRANT_SHRINK);
+ if (is_grant_shrink)
+ /* In this case the value is actually an RMF_OST_BODY, so we
+ * transmutate the type of this PTLRPC
+ */
+ req_capsule_extend(tsi->tsi_pill, &RQF_OST_SET_GRANT_INFO);
+
+ rc = req_capsule_server_pack(tsi->tsi_pill);
+ if (rc < 0)
+ RETURN(rc);
+
+ if (is_grant_shrink) {
+ body = req_capsule_client_get(tsi->tsi_pill, &RMF_OST_BODY);
+
+ repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY);
+ *repbody = *body;
+
+ /** handle grant shrink, similar to a read request */
+ tgt_grant_prepare_read(tsi->tsi_env, tsi->tsi_exp,
+ &repbody->oa);
+ } else {
+ CERROR("%s: Unsupported key %s\n",
+ tgt_name(tsi->tsi_tgt), (char *)key);
+ rc = -EOPNOTSUPP;
+ }
+
+ RETURN(rc);
+}
+
+
static int mdt_set_info(struct tgt_session_info *tsi)
{
struct ptlrpc_request *req = tgt_ses_req(tsi);
/* Swab any part of val you need to here */
if (KEY_IS(KEY_READ_ONLY)) {
+ /* If client wants rw, make sure nodemap does not enforce ro. */
+ if (!*(__u32 *)val) {
+ struct lu_nodemap *nm = NULL;
+ bool readonly = false;
+
+ if (req->rq_export)
+ nm = nodemap_get_from_exp(req->rq_export);
+
+ if (!IS_ERR_OR_NULL(nm)) {
+ readonly = nm->nmf_readonly_mount;
+ nodemap_putref(nm);
+ }
+
+ if (unlikely(readonly))
+ RETURN(-EROFS);
+ }
spin_lock(&req->rq_export->exp_lock);
if (*(__u32 *)val)
*exp_connect_flags_ptr(req->rq_export) |=
tgt_name(tsi->tsi_tgt), vallen);
RETURN(-EINVAL);
}
- if (ptlrpc_req_need_swab(req)) {
+ if (req_capsule_req_need_swab(&req->rq_pill)) {
__swab64s(&cs->cs_recno);
__swab32s(&cs->cs_id);
}
+ if (!mdt_changelog_allow(tsi2mdt_info(tsi)))
+ RETURN(-EACCES);
rc = mdt_iocontrol(OBD_IOC_CHANGELOG_CLEAR, req->rq_export,
vallen, val, NULL);
} else if (KEY_IS(KEY_EVICT_BY_NID)) {
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READPAGE_PACK))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_READPAGE_PACK))
RETURN(err_serious(-ENOMEM));
repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_MDT_BODY);
if (repbody == NULL || reqbody == NULL)
- RETURN(err_serious(-EFAULT));
+ RETURN(err_serious(-EFAULT));
- /*
- * prepare @rdpg before calling lower layers and transfer itself. Here
- * reqbody->size contains offset of where to start to read and
- * reqbody->nlink contains number bytes to read.
- */
+ /*
+ * prepare @rdpg before calling lower layers and transfer itself. Here
+ * reqbody->size contains offset of where to start to read and
+ * reqbody->nlink contains number bytes to read.
+ */
rdpg->rp_hash = reqbody->mbo_size;
if (rdpg->rp_hash != reqbody->mbo_size) {
CERROR("Invalid hash: %#llx != %#llx\n",
exp_max_brw_size(tsi->tsi_exp));
rdpg->rp_npages = (rdpg->rp_count + PAGE_SIZE - 1) >>
PAGE_SHIFT;
- OBD_ALLOC(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
- if (rdpg->rp_pages == NULL)
- RETURN(-ENOMEM);
+ OBD_ALLOC_PTR_ARRAY_LARGE(rdpg->rp_pages, rdpg->rp_npages);
+ if (rdpg->rp_pages == NULL)
+ RETURN(-ENOMEM);
- for (i = 0; i < rdpg->rp_npages; ++i) {
+ for (i = 0; i < rdpg->rp_npages; ++i) {
rdpg->rp_pages[i] = alloc_page(GFP_NOFS);
- if (rdpg->rp_pages[i] == NULL)
- GOTO(free_rdpg, rc = -ENOMEM);
- }
+ if (rdpg->rp_pages[i] == NULL)
+ GOTO(free_rdpg, rc = -ENOMEM);
+ }
- /* call lower layers to fill allocated pages with directory data */
+ /* call lower layers to fill allocated pages with directory data */
rc = mo_readpage(tsi->tsi_env, mdt_object_child(object), rdpg);
if (rc < 0)
GOTO(free_rdpg, rc);
for (i = 0; i < rdpg->rp_npages; i++)
if (rdpg->rp_pages[i] != NULL)
__free_page(rdpg->rp_pages[i]);
- OBD_FREE(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
+ OBD_FREE_PTR_ARRAY_LARGE(rdpg->rp_pages, rdpg->rp_npages);
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SENDPAGE))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_SENDPAGE))
RETURN(0);
return rc;
if ((attr->la_valid & LA_UID) && (attr->la_uid != -1))
attr->la_uid = uc->uc_fsuid;
/* for S_ISGID, inherit gid from his parent, such work will be
- * done in cmm/mdd layer, here set all cases as uc->uc_fsgid. */
+ * done in cmm/mdd layer, here set all cases as uc->uc_fsgid.
+ */
if ((attr->la_valid & LA_GID) && (attr->la_gid != -1))
attr->la_gid = uc->uc_fsgid;
}
req_capsule_has_field(pill, &RMF_FILE_SECCTX_NAME,
RCL_CLIENT)) {
if (req_capsule_get_size(pill, &RMF_FILE_SECCTX_NAME,
- RCL_CLIENT) != 0) {
+ RCL_CLIENT) != 0)
/* pre-set size in server part with max size */
req_capsule_set_size(pill, &RMF_FILE_SECCTX,
RCL_SERVER,
- info->mti_mdt->mdt_max_ea_size);
- } else {
+ req_capsule_ptlreq(pill) ?
+ OBD_MAX_DEFAULT_EA_SIZE :
+ MAX_MD_SIZE_OLD);
+ else
req_capsule_set_size(pill, &RMF_FILE_SECCTX,
RCL_SERVER, 0);
- }
}
-
}
static int mdt_reint_internal(struct mdt_thread_info *info,
- struct mdt_lock_handle *lhc,
- __u32 op)
+ struct mdt_lock_handle *lhc,
+ __u32 op)
{
struct req_capsule *pill = info->mti_pill;
struct mdt_body *repbody;
/* check if the file system is set to readonly. O_RDONLY open
- * is still allowed even the file system is set to readonly mode */
+ * is still allowed even the file system is set to readonly mode
+ */
if (mdt_rdonly(info->mti_exp) && !mdt_is_readonly_open(info, op))
RETURN(err_serious(-EROFS));
/* Set ACL reply buffer size as LUSTRE_POSIX_ACL_MAX_SIZE_OLD
* by default. If the target object has more ACL entries, then
- * enlarge the buffer when necessary. */
+ * enlarge the buffer when necessary.
+ */
if (req_capsule_has_field(pill, &RMF_ACL, RCL_SERVER))
req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
mdt_preset_secctx_size(info);
+ mdt_preset_encctx_size(info);
rc = req_capsule_server_pack(pill);
if (rc != 0) {
repbody->mbo_aclsize = 0;
}
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_REINT_DELAY, 10);
+ CFS_FAIL_TIMEOUT(OBD_FAIL_MDS_REINT_DELAY, 10);
/* for replay no cookkie / lmm need, because client have this already */
if (info->mti_spec.no_create)
/*
* Data-on-MDT optimization - read data along with OPEN and return it
- * in reply. Do that only if we have both DOM and LAYOUT locks.
+ * in reply when possible.
*/
- if (rc == 0 && op == REINT_OPEN && !req_is_replay(pill->rc_req) &&
- info->mti_attr.ma_lmm != NULL &&
- mdt_lmm_dom_entry(info->mti_attr.ma_lmm) == LMM_DOM_ONLY) {
+ if (rc == 0 && op == REINT_OPEN && !req_is_replay(pill->rc_req))
rc = mdt_dom_read_on_open(info, info->mti_mdt,
&lhc->mlh_reg_lh);
- }
return rc;
}
req_capsule_extend(&req->rq_pill, fmt[opc]);
else {
mdt = mdt_exp2dev(req->rq_export);
- CERROR("%s: Unsupported opcode '%ld' from client '%s':"
- " rc = %d\n", req->rq_export->exp_obd->obd_name,
+ CERROR("%s: Unsupported opcode '%ld' from client '%s': rc = %d\n",
+ req->rq_export->exp_obd->obd_name,
opc, mdt->mdt_ldlm_client->cli_name, -EFAULT);
opc = err_serious(-EFAULT);
}
/* this should sync the whole device */
int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt)
{
- struct dt_device *dt = mdt->mdt_bottom;
- int rc;
- ENTRY;
+ struct dt_device *dt = mdt->mdt_bottom;
+ int rc;
- rc = dt->dd_ops->dt_sync(env, dt);
- RETURN(rc);
+ ENTRY;
+
+ rc = dt->dd_ops->dt_sync(env, dt);
+ RETURN(rc);
}
/* this should sync this object */
struct ptlrpc_request *req = tgt_ses_req(tsi);
struct req_capsule *pill = tsi->tsi_pill;
struct mdt_body *body;
+ ktime_t kstart = ktime_get();
int rc;
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SYNC_PACK))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_SYNC_PACK))
RETURN(err_serious(-ENOMEM));
if (fid_seq(&tsi->tsi_mdt_body->mbo_fid1) == 0) {
mdt_thread_info_fini(info);
}
if (rc == 0)
- mdt_counter_incr(req, LPROC_MDT_SYNC);
+ mdt_counter_incr(req, LPROC_MDT_SYNC,
+ ktime_us_delta(ktime_get(), kstart));
RETURN(rc);
}
repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY);
- /* if no fid is specified then do nothing,
- * device sync is done via MDS_SYNC */
+ /* device sync is done via MDS_SYNC. NOOP if no fid is specified */
if (fid_is_zero(&tsi->tsi_fid))
RETURN(0);
*/
static int mdt_quotactl(struct tgt_session_info *tsi)
{
- struct obd_export *exp = tsi->tsi_exp;
- struct req_capsule *pill = tsi->tsi_pill;
- struct obd_quotactl *oqctl, *repoqc;
- int id, rc;
- struct mdt_device *mdt = mdt_exp2dev(exp);
- struct lu_device *qmt = mdt->mdt_qmt_dev;
- struct lu_nodemap *nodemap;
+ struct obd_export *exp = tsi->tsi_exp;
+ struct req_capsule *pill = tsi->tsi_pill;
+ struct obd_quotactl *oqctl, *repoqc;
+ struct mdt_device *mdt = mdt_exp2dev(exp);
+ struct lu_device *qmt = mdt->mdt_qmt_dev;
+ struct lu_nodemap *nodemap;
+ char *buffer = NULL;
+ int id, rc;
+
ENTRY;
oqctl = req_capsule_client_get(pill, &RMF_OBD_QUOTACTL);
- if (oqctl == NULL)
+ if (!oqctl)
RETURN(err_serious(-EPROTO));
+ if (oqctl->qc_cmd == LUSTRE_Q_ITERQUOTA ||
+ oqctl->qc_cmd == LUSTRE_Q_ITEROQUOTA)
+ req_capsule_set_size(pill, &RMF_OBD_QUOTA_ITER, RCL_SERVER,
+ LQUOTA_ITER_BUFLEN);
+ else
+ req_capsule_set_size(pill, &RMF_OBD_QUOTA_ITER, RCL_SERVER, 0);
+
rc = req_capsule_server_pack(pill);
if (rc)
RETURN(err_serious(rc));
case Q_SETINFO:
case Q_SETQUOTA:
case LUSTRE_Q_SETDEFAULT:
- if (!nodemap_can_setquota(nodemap))
+ case LUSTRE_Q_SETQUOTAPOOL:
+ case LUSTRE_Q_SETINFOPOOL:
+ case LUSTRE_Q_SETDEFAULT_POOL:
+ case LUSTRE_Q_DELETEQID:
+ case LUSTRE_Q_RESETQID:
+ if (!nodemap_can_setquota(nodemap, oqctl->qc_type,
+ oqctl->qc_id))
GOTO(out_nodemap, rc = -EPERM);
- /* fallthrough */
+ fallthrough;
case Q_GETINFO:
case Q_GETQUOTA:
case LUSTRE_Q_GETDEFAULT:
+ case LUSTRE_Q_GETQUOTAPOOL:
+ case LUSTRE_Q_GETINFOPOOL:
+ case LUSTRE_Q_GETDEFAULT_POOL:
+ case LUSTRE_Q_ITERQUOTA:
if (qmt == NULL)
GOTO(out_nodemap, rc = -EOPNOTSUPP);
/* slave quotactl */
- /* fallthrough */
+ fallthrough;
case Q_GETOINFO:
case Q_GETOQUOTA:
+ case LUSTRE_Q_ITEROQUOTA:
break;
default:
- CERROR("Unsupported quotactl command: %d\n", oqctl->qc_cmd);
- GOTO(out_nodemap, rc = -EFAULT);
+ rc = -EFAULT;
+ CERROR("%s: unsupported quotactl command %d: rc = %d\n",
+ mdt_obd_name(mdt), oqctl->qc_cmd, rc);
+ GOTO(out_nodemap, rc);
}
id = oqctl->qc_id;
NODEMAP_CLIENT_TO_FS, id);
break;
case PRJQUOTA:
- /* todo: check/map project id */
- id = oqctl->qc_id;
+ id = nodemap_map_id(nodemap, NODEMAP_PROJID,
+ NODEMAP_CLIENT_TO_FS, id);
break;
default:
GOTO(out_nodemap, rc = -EOPNOTSUPP);
if (repoqc == NULL)
GOTO(out_nodemap, rc = err_serious(-EFAULT));
+ if (oqctl->qc_cmd == LUSTRE_Q_ITERQUOTA ||
+ oqctl->qc_cmd == LUSTRE_Q_ITEROQUOTA) {
+ buffer = req_capsule_server_get(pill, &RMF_OBD_QUOTA_ITER);
+ if (buffer == NULL)
+ GOTO(out_nodemap, rc = err_serious(-EFAULT));
+ }
+
if (oqctl->qc_cmd == Q_SETINFO || oqctl->qc_cmd == Q_SETQUOTA)
barrier_exit(tsi->tsi_tgt->lut_bottom);
case Q_GETQUOTA:
case LUSTRE_Q_SETDEFAULT:
case LUSTRE_Q_GETDEFAULT:
+ case LUSTRE_Q_SETQUOTAPOOL:
+ case LUSTRE_Q_GETQUOTAPOOL:
+ case LUSTRE_Q_SETINFOPOOL:
+ case LUSTRE_Q_GETINFOPOOL:
+ case LUSTRE_Q_SETDEFAULT_POOL:
+ case LUSTRE_Q_GETDEFAULT_POOL:
+ case LUSTRE_Q_DELETEQID:
+ case LUSTRE_Q_RESETQID:
+ case LUSTRE_Q_ITERQUOTA:
/* forward quotactl request to QMT */
- rc = qmt_hdls.qmth_quotactl(tsi->tsi_env, qmt, oqctl);
+ rc = qmt_hdls.qmth_quotactl(tsi->tsi_env, qmt, oqctl, buffer,
+ buffer == NULL ? 0 :
+ LQUOTA_ITER_BUFLEN);
break;
case Q_GETOINFO:
case Q_GETOQUOTA:
+ case LUSTRE_Q_ITEROQUOTA:
/* slave quotactl */
rc = lquotactl_slv(tsi->tsi_env, tsi->tsi_tgt->lut_bottom,
- oqctl);
+ oqctl, buffer,
+ buffer == NULL ? 0 : LQUOTA_ITER_BUFLEN);
break;
default:
if (oqctl->qc_id != id)
swap(oqctl->qc_id, id);
- *repoqc = *oqctl;
-
+ QCTL_COPY_NO_PNAME(repoqc, oqctl);
EXIT;
out_nodemap:
* context into our context list here.
*/
static int mdt_llog_ctxt_clone(const struct lu_env *env, struct mdt_device *mdt,
- int idx)
+ int idx)
{
- struct md_device *next = mdt->mdt_child;
- struct llog_ctxt *ctxt;
- int rc;
+ struct md_device *next = mdt->mdt_child;
+ struct llog_ctxt *ctxt;
+ int rc;
- if (!llog_ctxt_null(mdt2obd_dev(mdt), idx))
- return 0;
+ if (!llog_ctxt_null(mdt2obd_dev(mdt), idx))
+ return 0;
- rc = next->md_ops->mdo_llog_ctxt_get(env, next, idx, (void **)&ctxt);
- if (rc || ctxt == NULL) {
+ rc = next->md_ops->mdo_llog_ctxt_get(env, next, idx, (void **)&ctxt);
+ if (rc || ctxt == NULL)
return 0;
- }
- rc = llog_group_set_ctxt(&mdt2obd_dev(mdt)->obd_olg, ctxt, idx);
- if (rc)
- CERROR("Can't set mdt ctxt %d\n", rc);
+ rc = llog_group_set_ctxt(&mdt2obd_dev(mdt)->obd_olg, ctxt, idx);
+ if (rc)
+ CERROR("Can't set mdt ctxt %d\n", rc);
- return rc;
+ return rc;
}
static int mdt_llog_ctxt_unclone(const struct lu_env *env,
- struct mdt_device *mdt, int idx)
+ struct mdt_device *mdt, int idx)
{
- struct llog_ctxt *ctxt;
+ struct llog_ctxt *ctxt;
- ctxt = llog_get_context(mdt2obd_dev(mdt), idx);
- if (ctxt == NULL)
- return 0;
- /* Put once for the get we just did, and once for the clone */
- llog_ctxt_put(ctxt);
- llog_ctxt_put(ctxt);
- return 0;
+ ctxt = llog_get_context(mdt2obd_dev(mdt), idx);
+ if (ctxt == NULL)
+ return 0;
+ /* Put once for the get we just did, and once for the clone */
+ llog_ctxt_put(ctxt);
+ llog_ctxt_put(ctxt);
+ return 0;
}
/*
struct mdt_device *mdt = mdt_exp2dev(tsi->tsi_exp);
struct lu_device *qmt = mdt->mdt_qmt_dev;
int rc;
+
ENTRY;
if (qmt == NULL)
struct lu_object_conf conf = { .loc_flags = LOC_F_NEW };
struct lu_object *o;
struct mdt_object *m;
+
ENTRY;
CDEBUG(D_INFO, "Allocate object for "DFID"\n", PFID(f));
{
struct lu_object *o;
struct mdt_object *m;
+
ENTRY;
CDEBUG(D_INFO, "Find object for "DFID"\n", PFID(f));
* \param mdt the mdt device
*/
static void mdt_device_commit_async(const struct lu_env *env,
- struct mdt_device *mdt)
+ struct mdt_device *mdt)
{
struct dt_device *dt = mdt->mdt_bottom;
int rc;
+
ENTRY;
rc = dt->dd_ops->dt_commit_async(env, dt);
*/
static inline void mdt_set_lock_sync(struct ldlm_lock *lock)
{
- lock->l_ast_data = (void*)1;
+ lock->l_ast_data = (void *)1;
}
/**
*/
static inline int mdt_is_lock_sync(struct ldlm_lock *lock)
{
- return lock->l_ast_data != NULL;
+ return lock->l_ast_data != NULL;
}
/**
struct ldlm_cb_set_arg *arg = data;
bool commit_async = false;
int rc;
- ENTRY;
+ ENTRY;
if (flag == LDLM_CB_CANCELING)
RETURN(0);
* The 'data' parameter is l_ast_data in the first case and
* callback arguments in the second one. Distinguish them by that.
*/
- if (!data || data == lock->l_ast_data || !arg->bl_desc)
- goto skip_cos_checks;
-
- if (lock->l_req_mode & (LCK_PW | LCK_EX)) {
- if (mdt_cos_is_enabled(mdt)) {
- if (!arg->bl_desc->bl_same_client)
- mdt_set_lock_sync(lock);
- } else if (mdt_slc_is_enabled(mdt) &&
- arg->bl_desc->bl_cos_incompat) {
- mdt_set_lock_sync(lock);
- /*
- * we may do extra commit here, but there is a small
- * window to miss a commit: lock was unlocked (saved),
- * then a conflict lock queued and we come here, but
- * REP-ACK not received, so lock was not converted to
- * COS mode yet.
- * Fortunately this window is quite small, so the
- * extra commit should be rare (not to say distributed
- * operation is rare too).
- */
+ if (data && data != lock->l_ast_data && arg->bl_desc) {
+ if (lock->l_req_mode & (LCK_COS | LCK_TXN))
commit_async = true;
- }
- } else if (lock->l_req_mode == LCK_COS) {
- commit_async = true;
+ else if ((lock->l_req_mode & (LCK_PW | LCK_EX)) &&
+ ((mdt_cos_is_enabled(mdt) &&
+ !arg->bl_desc->bl_same_client) ||
+ (mdt_slc_is_enabled(mdt) &&
+ arg->bl_desc->bl_txn_dependent)))
+ mdt_set_lock_sync(lock);
}
-skip_cos_checks:
rc = ldlm_blocking_ast_nocheck(lock);
if (commit_async) {
rc = lu_env_init(&env, LCT_LOCAL);
if (unlikely(rc != 0))
- CWARN("%s: lu_env initialization failed, cannot "
- "start asynchronous commit: rc = %d\n",
+ CWARN("%s: lu_env initialization failed, cannot start asynchronous commit: rc = %d\n",
obd->obd_name, rc);
else
mdt_device_commit_async(&env, mdt);
void *data, int flag)
{
int rc = 0;
+
ENTRY;
switch (flag) {
struct mdt_device *mdt =
mdt_dev(obd->obd_lu_dev->ld_site->ls_top_dev);
- LDLM_DEBUG(lock, "Revoke remote lock\n");
+ LDLM_DEBUG(lock, "Revoke remote lock");
/* discard slc lock here so that it can be cleaned anytime,
- * especially for cleanup_resource() */
+ * especially for cleanup_resource()
+ */
tgt_discard_slc_lock(&mdt->mdt_lut, lock);
/* once we cache lock, l_ast_data is set to mdt_object */
rc = lu_env_init(&env, LCT_MD_THREAD);
if (unlikely(rc != 0)) {
- CWARN("%s: lu_env initialization failed, object"
- "%p "DFID" is leaked!\n",
+ CWARN("%s: lu_env initialization failed, object %p "DFID" is leaked!: rc = %d\n",
obd->obd_name, mo,
- PFID(mdt_object_fid(mo)));
+ PFID(mdt_object_fid(mo)), rc);
RETURN(rc);
}
if (lock == NULL) {
/* Lock is pinned by ldlm_handle_enqueue0() as it is
* a resend case, however, it could be already destroyed
- * due to client eviction or a raced cancel RPC. */
+ * due to client eviction or a raced cancel RPC.
+ */
LDLM_DEBUG_NOLOCK("Invalid lock handle %#llx",
lhc->mlh_reg_lh.cookie);
RETURN(-ESTALE);
if (!fid_res_name_eq(mdt_object_fid(mo),
&lock->l_resource->lr_name)) {
- CWARN("%s: Although resent, but still not "
- "get child lock:"DFID"\n",
+ CWARN("%s: Although resent, but still not get child lock:"
+ DFID"\n",
info->mti_exp->exp_obd->obd_name,
PFID(mdt_object_fid(mo)));
LDLM_LOCK_PUT(lock);
mdt_object_get(NULL, lock->l_ast_data);
}
-int mdt_remote_object_lock_try(struct mdt_thread_info *mti,
- struct mdt_object *o, const struct lu_fid *fid,
- struct lustre_handle *lh, enum ldlm_mode mode,
- __u64 *ibits, __u64 trybits, bool cache)
+static int mdt_remote_object_lock_try(struct mdt_thread_info *mti,
+ struct mdt_object *obj,
+ struct lustre_handle *lh,
+ enum ldlm_mode mode,
+ union ldlm_policy_data *policy,
+ struct ldlm_res_id *res_id,
+ bool cache)
{
struct ldlm_enqueue_info *einfo = &mti->mti_remote_einfo;
- union ldlm_policy_data *policy = &mti->mti_policy;
- struct ldlm_res_id *res_id = &mti->mti_res_id;
- int rc = 0;
- ENTRY;
+ int rc;
- LASSERT(mdt_object_remote(o));
-
- fid_build_reg_res_name(fid, res_id);
+ LASSERT(mdt_object_remote(obj));
memset(einfo, 0, sizeof(*einfo));
einfo->ei_type = LDLM_IBITS;
einfo->ei_cb_cp = ldlm_completion_ast;
einfo->ei_enq_slave = 0;
einfo->ei_res_id = res_id;
-
+ einfo->ei_req_slot = 1;
if (cache) {
/*
* if we cache lock, couple lock with mdt_object, so that object
* can be easily found in lock ASTs.
*/
- einfo->ei_cbdata = o;
+ einfo->ei_cbdata = obj;
einfo->ei_cb_created = mdt_remote_object_lock_created_cb;
}
- memset(policy, 0, sizeof(*policy));
- policy->l_inodebits.bits = *ibits;
- policy->l_inodebits.try_bits = trybits;
-
- rc = mo_object_lock(mti->mti_env, mdt_object_child(o), lh, einfo,
+ rc = mo_object_lock(mti->mti_env, mdt_object_child(obj), lh, einfo,
policy);
-
- /* Return successfully acquired bits to a caller */
- if (rc == 0) {
- struct ldlm_lock *lock = ldlm_handle2lock(lh);
-
- LASSERT(lock);
- *ibits = lock->l_policy_data.l_inodebits.bits;
- LDLM_LOCK_PUT(lock);
+ if (rc) {
+ lh->cookie = 0ull;
+ return rc;
}
- RETURN(rc);
-}
-int mdt_remote_object_lock(struct mdt_thread_info *mti, struct mdt_object *o,
- const struct lu_fid *fid, struct lustre_handle *lh,
- enum ldlm_mode mode, __u64 ibits, bool cache)
-{
- return mdt_remote_object_lock_try(mti, o, fid, lh, mode, &ibits, 0,
- cache);
+ /* other components like LFSCK can use lockless access
+ * and populate cache, so we better invalidate it
+ */
+ if (policy->l_inodebits.bits &
+ (MDS_INODELOCK_UPDATE | MDS_INODELOCK_XATTR))
+ mo_invalidate(mti->mti_env, mdt_object_child(obj));
+
+ return 0;
}
-static int mdt_object_local_lock(struct mdt_thread_info *info,
- struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 *ibits,
- __u64 trybits, bool cos_incompat)
+/*
+ * Helper function to take PDO and hash lock.
+ *
+ * if \a pdo_lock is false, don't take PDO lock, this is case in rename.
+ */
+int mdt_object_pdo_lock(struct mdt_thread_info *info, struct mdt_object *obj,
+ struct mdt_lock_handle *lh, const struct lu_name *name,
+ enum ldlm_mode mode, bool pdo_lock)
{
struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
union ldlm_policy_data *policy = &info->mti_policy;
struct ldlm_res_id *res_id = &info->mti_res_id;
- __u64 dlmflags = 0, *cookie = NULL;
+ /*
+ * Do not use LDLM_FL_LOCAL_ONLY for parallel lock, it is never going to
+ * be sent to client and we do not want it slowed down due to possible
+ * cancels.
+ */
+ __u64 dlmflags = LDLM_FL_ATOMIC_CB;
+ __u64 *cookie = NULL;
int rc;
- ENTRY;
- LASSERT(!lustre_handle_is_used(&lh->mlh_reg_lh));
- LASSERT(!lustre_handle_is_used(&lh->mlh_pdo_lh));
- LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
- LASSERT(lh->mlh_type != MDT_NUL_LOCK);
-
- if (cos_incompat) {
- LASSERT(lh->mlh_reg_mode == LCK_PW ||
- lh->mlh_reg_mode == LCK_EX);
- dlmflags |= LDLM_FL_COS_INCOMPAT;
- } else if (mdt_cos_is_enabled(info->mti_mdt)) {
- dlmflags |= LDLM_FL_COS_ENABLED;
- }
-
- /* Only enqueue LOOKUP lock for remote object */
- LASSERT(ergo(mdt_object_remote(o), *ibits == MDS_INODELOCK_LOOKUP));
-
- /* Lease lock are granted with LDLM_FL_CANCEL_ON_BLOCK */
- if (lh->mlh_type == MDT_REG_LOCK && lh->mlh_reg_mode == LCK_EX &&
- *ibits == MDS_INODELOCK_OPEN)
- dlmflags |= LDLM_FL_CANCEL_ON_BLOCK;
-
- if (lh->mlh_type == MDT_PDO_LOCK) {
- /* check for exists after object is locked */
- if (mdt_object_exists(o) == 0) {
- /* Non-existent object shouldn't have PDO lock */
- RETURN(-ESTALE);
- } else {
- /* Non-dir object shouldn't have PDO lock */
- if (!S_ISDIR(lu_object_attr(&o->mot_obj)))
- RETURN(-ENOTDIR);
- }
- }
-
- fid_build_reg_res_name(mdt_object_fid(o), res_id);
- dlmflags |= LDLM_FL_ATOMIC_CB;
+ LASSERT(obj);
+ /* check for exists after object is locked */
+ if (!mdt_object_exists(obj))
+ /* Non-existent object shouldn't have PDO lock */
+ return -ESTALE;
+
+ /* Non-dir object shouldn't have PDO lock */
+ if (!S_ISDIR(lu_object_attr(&obj->mot_obj)))
+ return -ENOTDIR;
+
+ policy->l_inodebits.bits = MDS_INODELOCK_UPDATE;
+ policy->l_inodebits.try_bits = 0;
+ policy->l_inodebits.li_gid = 0;
+ policy->l_inodebits.li_initiator_id = mdt_node_id(info->mti_mdt);
+ fid_build_reg_res_name(mdt_object_fid(obj), res_id);
if (info->mti_exp)
cookie = &info->mti_exp->exp_handle.h_cookie;
- /*
- * Take PDO lock on whole directory and build correct @res_id for lock
- * on part of directory.
- */
- if (lh->mlh_pdo_hash != 0) {
- LASSERT(lh->mlh_type == MDT_PDO_LOCK);
- mdt_lock_pdo_mode(info, o, lh);
- if (lh->mlh_pdo_mode != LCK_NL) {
- /*
- * Do not use LDLM_FL_LOCAL_ONLY for parallel lock, it
- * is never going to be sent to client and we do not
- * want it slowed down due to possible cancels.
- */
- policy->l_inodebits.bits =
- *ibits & MDS_INODELOCK_UPDATE;
- policy->l_inodebits.try_bits =
- trybits & MDS_INODELOCK_UPDATE;
- /* at least one of them should be set */
- LASSERT(policy->l_inodebits.bits |
- policy->l_inodebits.try_bits);
- rc = mdt_fid_lock(info->mti_env, ns, &lh->mlh_pdo_lh,
- lh->mlh_pdo_mode, policy, res_id,
- dlmflags, cookie);
- if (unlikely(rc != 0))
- GOTO(out_unlock, rc);
- }
+ mdt_lock_pdo_init(lh, mode, name);
+ mdt_lock_pdo_mode(info, obj, lh);
+ if (lh->mlh_pdo_mode != LCK_NL) {
+ if (pdo_lock) {
+ if (mdt_object_remote(obj)) {
+ rc = mdt_remote_object_lock_try(info, obj,
+ &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
+ policy, res_id, false);
+ lh->mlh_pdo_remote = 1;
+ } else {
+ rc = mdt_fid_lock(info->mti_env, ns,
+ &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
+ policy, res_id, dlmflags, cookie);
+ }
+ if (rc) {
+ mdt_object_unlock(info, obj, lh, 1);
+ return rc;
+ }
+ }
+ res_id->name[LUSTRE_RES_ID_HSH_OFF] = lh->mlh_pdo_hash;
+ }
+
+ if (mdt_object_remote(obj))
+ rc = mdt_remote_object_lock_try(info, obj, &lh->mlh_rreg_lh,
+ lh->mlh_rreg_mode, policy, res_id, false);
+ else
+ rc = mdt_fid_lock(info->mti_env, ns, &lh->mlh_reg_lh,
+ lh->mlh_reg_mode, policy, res_id, dlmflags, cookie);
+ if (rc)
+ mdt_object_unlock(info, obj, lh, 1);
+ else if (CFS_FAIL_PRECHECK(OBD_FAIL_MDS_PDO_LOCK) &&
+ lh->mlh_pdo_hash != 0 &&
+ (lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX))
+ CFS_FAIL_TIMEOUT(OBD_FAIL_MDS_PDO_LOCK, 15);
+
+ return rc;
+}
- /*
- * Finish res_id initializing by name hash marking part of
- * directory which is taking modification.
- */
- res_id->name[LUSTRE_RES_ID_HSH_OFF] = lh->mlh_pdo_hash;
- }
+int mdt_object_lock_internal(struct mdt_thread_info *info,
+ struct mdt_object *obj, const struct lu_fid *fid,
+ struct mdt_lock_handle *lh, __u64 *ibits,
+ __u64 trybits, bool cache)
+{
+ union ldlm_policy_data *policy = &info->mti_policy;
+ struct ldlm_res_id *res_id = &info->mti_res_id;
+ struct lustre_handle *handle;
+ int rc;
policy->l_inodebits.bits = *ibits;
policy->l_inodebits.try_bits = trybits;
+ policy->l_inodebits.li_gid = lh->mlh_gid;
+ policy->l_inodebits.li_initiator_id = mdt_node_id(info->mti_mdt);
+ fid_build_reg_res_name(fid, res_id);
- /*
- * Use LDLM_FL_LOCAL_ONLY for this lock. We do not know yet if it is
- * going to be sent to client. If it is - mdt_intent_policy() path will
- * fix it up and turn FL_LOCAL flag off.
- */
- rc = mdt_fid_lock(info->mti_env, ns, &lh->mlh_reg_lh, lh->mlh_reg_mode,
- policy, res_id, LDLM_FL_LOCAL_ONLY | dlmflags,
- cookie);
-out_unlock:
- if (rc != 0)
- mdt_object_unlock(info, o, lh, 1);
- else if (unlikely(OBD_FAIL_PRECHECK(OBD_FAIL_MDS_PDO_LOCK)) &&
- lh->mlh_pdo_hash != 0 &&
- (lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX))
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_PDO_LOCK, 15);
+ if (obj && mdt_object_remote(obj)) {
+ handle = &lh->mlh_rreg_lh;
+ LASSERT(!lustre_handle_is_used(handle));
+ LASSERT(lh->mlh_rreg_mode != LCK_MINMODE);
+ LASSERT(lh->mlh_type != MDT_NUL_LOCK);
+ rc = mdt_remote_object_lock_try(info, obj, handle,
+ lh->mlh_rreg_mode, policy,
+ res_id, cache);
+ } else {
+ struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
+ /*
+ * Use LDLM_FL_LOCAL_ONLY for this lock. We do not know yet if
+ * it is going to be sent to client. If it is -
+ * mdt_intent_policy() path will fix it up and turn FL_LOCAL
+ * flag off.
+ */
+ __u64 dlmflags = LDLM_FL_ATOMIC_CB | LDLM_FL_LOCAL_ONLY;
+ __u64 *cookie = NULL;
+
+ handle = &lh->mlh_reg_lh;
+ LASSERT(!lustre_handle_is_used(handle));
+ LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
+ LASSERT(lh->mlh_type != MDT_NUL_LOCK);
+
+ /* Lease lock are granted with LDLM_FL_CANCEL_ON_BLOCK */
+ if (lh->mlh_type == MDT_REG_LOCK &&
+ lh->mlh_reg_mode == LCK_EX && *ibits == MDS_INODELOCK_OPEN)
+ dlmflags |= LDLM_FL_CANCEL_ON_BLOCK;
+
+
+ if (info->mti_exp)
+ cookie = &info->mti_exp->exp_handle.h_cookie;
+
+ rc = mdt_fid_lock(info->mti_env, ns, handle, lh->mlh_reg_mode,
+ policy, res_id, dlmflags, cookie);
+ if (rc)
+ mdt_object_unlock(info, obj, lh, 1);
+ }
- /* Return successfully acquired bits to a caller */
if (rc == 0) {
- struct ldlm_lock *lock = ldlm_handle2lock(&lh->mlh_reg_lh);
+ struct ldlm_lock *lock;
+ /* Return successfully acquired bits to a caller */
+ lock = ldlm_handle2lock(handle);
LASSERT(lock);
*ibits = lock->l_policy_data.l_inodebits.bits;
LDLM_LOCK_PUT(lock);
}
- RETURN(rc);
+
+ return rc;
}
-static int
-mdt_object_lock_internal(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 *ibits,
- __u64 trybits, bool cos_incompat)
+/*
+ * MDT object locking functions:
+ * mdt_object_lock(): lock object, this is used in most places, and normally
+ * lock ibits doesn't contain LOOKUP, unless the caller knows it's not
+ * remote object.
+ * mdt_object_check_lock(): lock object with LOOKUP and other ibits, it needs
+ * to check whether parent is on remote MDT, if so, take LOOKUP on parent
+ * MDT separately, and then lock other ibits on child object.
+ * mdt_parent_lock(): take parent UPDATE lock with specific mode, if parent is
+ * local, take PDO lock by name hash, otherwise take regular lock.
+ * mdt_object_stripes_lock(): lock object which should be local, and if it's a
+ * striped directory, lock its stripes, this is called in operations which
+ * modify both object and stripes.
+ * mdt_object_lock_try(): lock object with trybits, the trybits contains
+ * optional inode lock bits that can be granted. This is called by
+ * getattr/open to fetch more inode lock bits to client, and is also called
+ * by dir migration to lock link parent in non-block mode to avoid
+ * deadlock.
+ */
+
+/**
+ * lock object
+ *
+ * this is used to lock object in most places, and normally lock ibits doesn't
+ * contain LOOKUP, unless the caller knows it's not remote object.
+ *
+ * \param info struct mdt_thread_info
+ * \param obj object
+ * \param lh lock handle
+ * \param ibits MDS inode lock bits
+ * \param mode lock mode
+ *
+ * \retval 0 on success, -ev on error.
+ */
+int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *obj,
+ struct mdt_lock_handle *lh, __u64 ibits,
+ enum ldlm_mode mode)
{
- struct mdt_lock_handle *local_lh = NULL;
int rc;
- ENTRY;
-
- if (!mdt_object_remote(o)) {
- rc = mdt_object_local_lock(info, o, lh, ibits, trybits,
- cos_incompat);
- RETURN(rc);
- }
- /* XXX do not support PERM/LAYOUT/XATTR lock for remote object yet */
- *ibits &= ~(MDS_INODELOCK_PERM | MDS_INODELOCK_LAYOUT |
- MDS_INODELOCK_XATTR);
+ ENTRY;
+ mdt_lock_reg_init(lh, mode);
+ rc = mdt_object_lock_internal(info, obj, mdt_object_fid(obj), lh,
+ &ibits, 0, false);
+ RETURN(rc);
+}
- /* Only enqueue LOOKUP lock for remote object */
- if (*ibits & MDS_INODELOCK_LOOKUP) {
- __u64 local = MDS_INODELOCK_LOOKUP;
+/**
+ * lock object with LOOKUP and other ibits
+ *
+ * it will check whether parent and child are on different MDTs, if so, take
+ * LOOKUP lock on parent MDT, and lock other ibits on child MDT, otherwise lock
+ * all ibits on child MDT. Note, parent and child shouldn't be both on remote
+ * MDTs, in which case specific lock function should be used, and it's in
+ * rename and migrate only.
+ *
+ * \param info struct mdt_thread_info
+ * \param parent parent object
+ * \param child child object
+ * \param lh lock handle
+ * \param ibits MDS inode lock bits
+ * \param mode lock mode
+ *
+ * \retval 0 on success, -ev on error.
+ */
+int mdt_object_check_lock(struct mdt_thread_info *info,
+ struct mdt_object *parent, struct mdt_object *child,
+ struct mdt_lock_handle *lh, __u64 ibits,
+ enum ldlm_mode mode)
+{
+ int rc;
- rc = mdt_object_local_lock(info, o, lh, &local, 0,
- cos_incompat);
- if (rc != ELDLM_OK)
+ ENTRY;
+ /* if LOOKUP ibit is not set, use mdt_object_lock() */
+ LASSERT(ibits & MDS_INODELOCK_LOOKUP);
+ /* if only LOOKUP ibit is needed, use mdt_object_lookup_lock() */
+ LASSERT(ibits != MDS_INODELOCK_LOOKUP);
+ LASSERT(parent);
+ /* @parent and @child shouldn't both be on remote MDTs */
+ LASSERT(!(mdt_object_remote(parent) && mdt_object_remote(child)));
+
+ mdt_lock_reg_init(lh, mode);
+ if (mdt_object_remote(parent) ^ mdt_object_remote(child)) {
+ __u64 lookup_ibits = MDS_INODELOCK_LOOKUP;
+
+ rc = mdt_object_lock_internal(info, parent,
+ mdt_object_fid(child), lh,
+ &lookup_ibits, 0, false);
+ if (rc)
RETURN(rc);
- local_lh = lh;
- }
-
- if ((*ibits | trybits) & MDS_INODELOCK_UPDATE) {
- /* Sigh, PDO needs to enqueue 2 locks right now, but
- * enqueue RPC can only request 1 lock, to avoid extra
- * RPC, so it will instead enqueue EX lock for remote
- * object anyway XXX*/
- if (lh->mlh_type == MDT_PDO_LOCK &&
- lh->mlh_pdo_hash != 0) {
- CDEBUG(D_INFO, "%s: "DFID" convert PDO lock to"
- "EX lock.\n", mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)));
- lh->mlh_pdo_hash = 0;
- lh->mlh_rreg_mode = LCK_EX;
- lh->mlh_type = MDT_REG_LOCK;
- }
-
- rc = mdt_remote_object_lock_try(info, o, mdt_object_fid(o),
- &lh->mlh_rreg_lh,
- lh->mlh_rreg_mode,
- ibits, trybits, false);
- if (rc != ELDLM_OK) {
- if (local_lh != NULL)
- mdt_object_unlock(info, o, local_lh, rc);
- RETURN(rc);
- }
+ ibits &= ~MDS_INODELOCK_LOOKUP;
}
- /* other components like LFSCK can use lockless access
- * and populate cache, so we better invalidate it */
- mo_invalidate(info->mti_env, mdt_object_child(o));
+ rc = mdt_object_lock_internal(info, child, mdt_object_fid(child), lh,
+ &ibits, 0, false);
+ if (rc && !(ibits & MDS_INODELOCK_LOOKUP))
+ mdt_object_unlock(info, NULL, lh, 1);
- RETURN(0);
+ RETURN(rc);
}
-int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits)
+/**
+ * take parent UPDATE lock
+ *
+ * if parent is local or mode is LCK_PW, take PDO lock, otherwise take regular
+ * lock.
+ *
+ * \param info struct mdt_thread_info
+ * \param obj parent object
+ * \param lh lock handle
+ * \param lname child name
+ * \param mode lock mode
+ *
+ * \retval 0 on success, -ev on error.
+ */
+int mdt_parent_lock(struct mdt_thread_info *info, struct mdt_object *obj,
+ struct mdt_lock_handle *lh, const struct lu_name *lname,
+ enum ldlm_mode mode)
{
- return mdt_object_lock_internal(info, o, lh, &ibits, 0, false);
-}
+ int rc;
-int mdt_reint_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits,
- bool cos_incompat)
-{
- LASSERT(lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX);
- return mdt_object_lock_internal(info, o, lh, &ibits, 0,
- cos_incompat);
+ ENTRY;
+ LASSERT(obj && lname);
+ LASSERT(mode == LCK_PW || mode == LCK_PR);
+ if (mdt_object_remote(obj) && mode == LCK_PR) {
+ __u64 ibits = MDS_INODELOCK_UPDATE;
+
+ mdt_lock_reg_init(lh, mode);
+ rc = mdt_object_lock_internal(info, obj, mdt_object_fid(obj),
+ lh, &ibits, 0, false);
+ } else {
+ rc = mdt_object_pdo_lock(info, obj, lh, lname, mode, true);
+ }
+ RETURN(rc);
}
-int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *o,
+/**
+ * lock object with trybits
+ *
+ * the trybits contains optional inode lock bits that can be granted. This is
+ * called by getattr/open to fetch more inode lock bits to client, and is also
+ * called by dir migration to lock link parent in non-block mode to avoid
+ * deadlock.
+ *
+ * \param info struct mdt_thread_info
+ * \param obj object
+ * \param lh lock handle
+ * \param ibits MDS inode lock bits
+ * \param trybits optional inode lock bits
+ * \param mode lock mode
+ *
+ * \retval 0 on success, -ev on error.
+ */
+int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *obj,
struct mdt_lock_handle *lh, __u64 *ibits,
- __u64 trybits, bool cos_incompat)
+ __u64 trybits, enum ldlm_mode mode)
{
bool trylock_only = *ibits == 0;
int rc;
+ ENTRY;
LASSERT(!(*ibits & trybits));
- rc = mdt_object_lock_internal(info, o, lh, ibits, trybits,
- cos_incompat);
+ mdt_lock_reg_init(lh, mode);
+ rc = mdt_object_lock_internal(info, obj, mdt_object_fid(obj), lh, ibits,
+ trybits, false);
if (rc && trylock_only) { /* clear error for try ibits lock only */
LASSERT(*ibits == 0);
rc = 0;
}
- return rc;
+ RETURN(rc);
+}
+
+/*
+ * Helper function to take \a obj LOOKUP lock.
+ *
+ * Both \a pobj and \a obj may be located on remote MDTs.
+ */
+int mdt_object_lookup_lock(struct mdt_thread_info *info,
+ struct mdt_object *pobj, struct mdt_object *obj,
+ struct mdt_lock_handle *lh, enum ldlm_mode mode)
+{
+ __u64 ibits = MDS_INODELOCK_LOOKUP;
+ int rc;
+
+ ENTRY;
+ /* if @parent is NULL, it's on local MDT, and @child is remote,
+ * this is case in getattr/unlink/open by name.
+ */
+ LASSERT(ergo(!pobj, mdt_object_remote(obj)));
+ mdt_lock_reg_init(lh, mode);
+ rc = mdt_object_lock_internal(info, pobj, mdt_object_fid(obj), lh,
+ &ibits, 0, false);
+ RETURN(rc);
}
/**
* \param mode lock mode
* \param decref force immediate lock releasing
*/
-void mdt_save_lock(struct mdt_thread_info *info, struct lustre_handle *h,
- enum ldlm_mode mode, int decref)
+static void mdt_save_lock(struct mdt_thread_info *info, struct lustre_handle *h,
+ enum ldlm_mode mode, int decref)
{
+ struct tgt_session_info *tsi = info->mti_env->le_ses ?
+ tgt_ses_info(info->mti_env) : NULL;
+
ENTRY;
if (lustre_handle_is_used(h)) {
- if (decref || !info->mti_has_trans ||
- !(mode & (LCK_PW | LCK_EX))) {
+ bool has_trans = tsi && tsi->tsi_has_trans;
+
+ if (decref || !has_trans || !(mode & (LCK_PW | LCK_EX))) {
mdt_fid_unlock(h, mode);
} else {
struct mdt_device *mdt = info->mti_mdt;
struct ldlm_lock *lock = ldlm_handle2lock(h);
struct ptlrpc_request *req = mdt_info_req(info);
- bool cos = mdt_cos_is_enabled(mdt);
- bool convert_lock = !cos && mdt_slc_is_enabled(mdt);
+ bool no_ack = false;
LASSERTF(lock != NULL, "no lock for cookie %#llx\n",
h->cookie);
/* there is no request if mdt_object_unlock() is called
- * from mdt_export_cleanup()->mdt_add_dirty_flag() */
+ * from mdt_export_cleanup()->mdt_add_dirty_flag()
+ */
if (likely(req != NULL)) {
- LDLM_DEBUG(lock, "save lock request %p reply "
- "state %p transno %lld\n", req,
+ LDLM_DEBUG(lock, "save lock request %p reply state %p transno %lld",
+ req,
req->rq_reply_state, req->rq_transno);
- if (cos) {
- ldlm_lock_mode_downgrade(lock, LCK_COS);
+ if (mdt_cos_is_enabled(mdt)) {
mode = LCK_COS;
+ no_ack = true;
+ ldlm_lock_mode_downgrade(lock, mode);
+ } else if (mdt_slc_is_enabled(mdt)) {
+ no_ack = true;
+ if (mode != LCK_TXN) {
+ mode = LCK_TXN;
+ ldlm_lock_mode_downgrade(lock,
+ mode);
+ }
}
if (req->rq_export->exp_disconnected)
mdt_fid_unlock(h, mode);
else
- ptlrpc_save_lock(req, h, mode, cos,
- convert_lock);
+ ptlrpc_save_lock(req, h, no_ack);
} else {
mdt_fid_unlock(h, mode);
}
- if (mdt_is_lock_sync(lock)) {
- CDEBUG(D_HA, "found sync-lock,"
- " async commit started\n");
- mdt_device_commit_async(info->mti_env,
- mdt);
- }
- LDLM_LOCK_PUT(lock);
- }
- h->cookie = 0ull;
- }
- EXIT;
+ if (mdt_is_lock_sync(lock)) {
+ CDEBUG(D_HA, "sync_lock, do async commit\n");
+ mdt_device_commit_async(info->mti_env, mdt);
+ }
+ LDLM_LOCK_PUT(lock);
+ }
+ h->cookie = 0ull;
+ }
+
+ EXIT;
}
/**
if (lustre_handle_is_used(h)) {
struct ldlm_lock *lock = ldlm_handle2lock(h);
+ struct ptlrpc_request *req = mdt_info_req(info);
if (o != NULL &&
(lock->l_policy_data.l_inodebits.bits &
(MDS_INODELOCK_XATTR | MDS_INODELOCK_UPDATE)))
mo_invalidate(info->mti_env, mdt_object_child(o));
- if (decref || !info->mti_has_trans ||
- !(mode & (LCK_PW | LCK_EX))) {
+ if (decref || !req || !(mode & (LCK_PW | LCK_EX)) ||
+ !tgt_ses_info(info->mti_env)->tsi_has_trans) {
ldlm_lock_decref_and_cancel(h, mode);
LDLM_LOCK_PUT(lock);
} else {
- struct ptlrpc_request *req = mdt_info_req(info);
-
- LASSERT(req != NULL);
tgt_save_slc_lock(&info->mti_mdt->mdt_lut, lock,
req->rq_transno);
ldlm_lock_decref(h, mode);
{
ENTRY;
- mdt_save_lock(info, &lh->mlh_pdo_lh, lh->mlh_pdo_mode, decref);
+ if (lh->mlh_pdo_remote)
+ mdt_save_remote_lock(info, o, &lh->mlh_pdo_lh,
+ lh->mlh_pdo_mode, decref);
+ else
+ mdt_save_lock(info, &lh->mlh_pdo_lh, lh->mlh_pdo_mode, decref);
mdt_save_lock(info, &lh->mlh_reg_lh, lh->mlh_reg_mode, decref);
mdt_save_remote_lock(info, o, &lh->mlh_rreg_lh, lh->mlh_rreg_mode,
decref);
}
struct mdt_object *mdt_object_find_lock(struct mdt_thread_info *info,
- const struct lu_fid *f,
- struct mdt_lock_handle *lh,
- __u64 ibits)
+ const struct lu_fid *f,
+ struct mdt_lock_handle *lh,
+ __u64 ibits, enum ldlm_mode mode)
{
- struct mdt_object *o;
+ struct mdt_object *o;
- o = mdt_object_find(info->mti_env, info->mti_mdt, f);
- if (!IS_ERR(o)) {
- int rc;
+ o = mdt_object_find(info->mti_env, info->mti_mdt, f);
+ if (!IS_ERR(o)) {
+ int rc;
- rc = mdt_object_lock(info, o, lh, ibits);
- if (rc != 0) {
- mdt_object_put(info->mti_env, o);
- o = ERR_PTR(rc);
- }
- }
- return o;
+ rc = mdt_object_lock(info, o, lh, ibits, mode);
+ if (rc != 0) {
+ mdt_object_put(info->mti_env, o);
+ o = ERR_PTR(rc);
+ }
+ }
+ return o;
}
-void mdt_object_unlock_put(struct mdt_thread_info * info,
- struct mdt_object * o,
- struct mdt_lock_handle *lh,
- int decref)
+void mdt_object_unlock_put(struct mdt_thread_info *info,
+ struct mdt_object *o,
+ struct mdt_lock_handle *lh,
+ int decref)
{
- mdt_object_unlock(info, o, lh, decref);
- mdt_object_put(info->mti_env, o);
+ mdt_object_unlock(info, o, lh, decref);
+ mdt_object_put(info->mti_env, o);
}
/*
static int mdt_body_unpack(struct mdt_thread_info *info,
enum tgt_handler_flags flags)
{
- const struct mdt_body *body;
- struct mdt_object *obj;
- const struct lu_env *env;
- struct req_capsule *pill;
- int rc;
- ENTRY;
+ const struct mdt_body *body;
+ struct mdt_object *obj;
+ const struct lu_env *env;
+ struct req_capsule *pill;
+ int rc;
+
+ ENTRY;
- env = info->mti_env;
- pill = info->mti_pill;
+ env = info->mti_env;
+ pill = info->mti_pill;
- body = info->mti_body = req_capsule_client_get(pill, &RMF_MDT_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ body = info->mti_body = req_capsule_client_get(pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
if (!(body->mbo_valid & OBD_MD_FLID))
RETURN(0);
if (!fid_is_sane(&body->mbo_fid1)) {
CERROR("Invalid fid: "DFID"\n", PFID(&body->mbo_fid1));
- RETURN(-EINVAL);
- }
+ RETURN(-EINVAL);
+ }
obj = mdt_object_find(env, info->mti_mdt, &body->mbo_fid1);
if (!IS_ERR(obj)) {
if ((flags & HAS_BODY) && !mdt_object_exists(obj)) {
mdt_object_put(env, obj);
rc = -ENOENT;
- } else {
- info->mti_object = obj;
- rc = 0;
- }
- } else
- rc = PTR_ERR(obj);
+ } else {
+ info->mti_object = obj;
+ rc = 0;
+ }
+ } else
+ rc = PTR_ERR(obj);
- RETURN(rc);
+ RETURN(rc);
}
static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info,
/* Pack reply. */
if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
- DEF_REP_MD_SIZE);
+ req_capsule_ptlreq(pill) ?
+ DEF_REP_MD_SIZE : MAX_MD_SIZE_OLD);
+
if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
req_capsule_set_size(pill, &RMF_LOGCOOKIES,
RCL_SERVER, 0);
/* Set ACL reply buffer size as LUSTRE_POSIX_ACL_MAX_SIZE_OLD
* by default. If the target object has more ACL entries, then
- * enlarge the buffer when necessary. */
+ * enlarge the buffer when necessary.
+ */
if (req_capsule_has_field(pill, &RMF_ACL, RCL_SERVER))
req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
mdt_preset_secctx_size(info);
+ mdt_preset_encctx_size(info);
rc = req_capsule_server_pack(pill);
if (rc)
RETURN(rc);
}
-void mdt_lock_handle_init(struct mdt_lock_handle *lh)
+void mdt_thread_info_reset(struct mdt_thread_info *info)
{
- lh->mlh_type = MDT_NUL_LOCK;
- lh->mlh_reg_lh.cookie = 0ull;
- lh->mlh_reg_mode = LCK_MINMODE;
- lh->mlh_pdo_lh.cookie = 0ull;
- lh->mlh_pdo_mode = LCK_MINMODE;
- lh->mlh_rreg_lh.cookie = 0ull;
- lh->mlh_rreg_mode = LCK_MINMODE;
-}
+ memset(&info->mti_attr, 0, sizeof(info->mti_attr));
+ info->mti_body = NULL;
+ info->mti_dlm_req = NULL;
+ info->mti_cross_ref = 0;
+ info->mti_opdata = 0;
+ info->mti_big_lmm_used = 0;
+ info->mti_big_acl_used = 0;
+ info->mti_som_strict = 0;
-void mdt_lock_handle_fini(struct mdt_lock_handle *lh)
-{
- LASSERT(!lustre_handle_is_used(&lh->mlh_reg_lh));
- LASSERT(!lustre_handle_is_used(&lh->mlh_pdo_lh));
+ info->mti_spec.no_create = 0;
+ info->mti_spec.sp_rm_entry = 0;
+ info->mti_spec.sp_permitted = 0;
+
+ info->mti_spec.u.sp_ea.eadata = NULL;
+ info->mti_spec.u.sp_ea.eadatalen = 0;
+
+ if (info->mti_batch_env && info->mti_object != NULL) {
+ mdt_object_put(info->mti_env, info->mti_object);
+ info->mti_object = NULL;
+ }
}
/*
void mdt_thread_info_init(struct ptlrpc_request *req,
struct mdt_thread_info *info)
{
- int i;
+ info->mti_pill = &req->rq_pill;
- info->mti_pill = &req->rq_pill;
-
- /* lock handle */
- for (i = 0; i < ARRAY_SIZE(info->mti_lh); i++)
- mdt_lock_handle_init(&info->mti_lh[i]);
-
- /* mdt device: it can be NULL while CONNECT */
- if (req->rq_export) {
- info->mti_mdt = mdt_dev(req->rq_export->exp_obd->obd_lu_dev);
- info->mti_exp = req->rq_export;
- } else
- info->mti_mdt = NULL;
+ /* mdt device: it can be NULL while CONNECT */
+ if (req->rq_export) {
+ info->mti_mdt = mdt_dev(req->rq_export->exp_obd->obd_lu_dev);
+ info->mti_exp = req->rq_export;
+ } else
+ info->mti_mdt = NULL;
info->mti_env = req->rq_svc_thread->t_env;
info->mti_transno = lustre_msg_get_transno(req->rq_reqmsg);
-
- memset(&info->mti_attr, 0, sizeof(info->mti_attr));
info->mti_big_buf = LU_BUF_NULL;
- info->mti_body = NULL;
- info->mti_object = NULL;
- info->mti_dlm_req = NULL;
- info->mti_has_trans = 0;
- info->mti_cross_ref = 0;
- info->mti_opdata = 0;
- info->mti_big_lmm_used = 0;
- info->mti_big_acl_used = 0;
- info->mti_som_valid = 0;
+ info->mti_batch_env = 0;
+ info->mti_object = NULL;
- info->mti_spec.no_create = 0;
- info->mti_spec.sp_rm_entry = 0;
- info->mti_spec.sp_permitted = 0;
- info->mti_spec.sp_migrate_close = 0;
-
- info->mti_spec.u.sp_ea.eadata = NULL;
- info->mti_spec.u.sp_ea.eadatalen = 0;
+ mdt_thread_info_reset(info);
}
void mdt_thread_info_fini(struct mdt_thread_info *info)
}
for (i = 0; i < ARRAY_SIZE(info->mti_lh); i++)
- mdt_lock_handle_fini(&info->mti_lh[i]);
+ mdt_lock_handle_assert(&info->mti_lh[i]);
info->mti_env = NULL;
info->mti_pill = NULL;
info->mti_exp = NULL;
+ info->mti_mdt = NULL;
if (unlikely(info->mti_big_buf.lb_buf != NULL))
lu_buf_free(&info->mti_big_buf);
static int mdt_tgt_connect(struct tgt_session_info *tsi)
{
- if (OBD_FAIL_CHECK(OBD_FAIL_TGT_DELAY_CONDITIONAL) &&
+ if (CFS_FAIL_CHECK(OBD_FAIL_TGT_DELAY_CONDITIONAL) &&
cfs_fail_val ==
- tsi2mdt_info(tsi)->mti_mdt->mdt_seq_site.ss_node_id) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cfs_time_seconds(3));
- }
+ tsi2mdt_info(tsi)->mti_mdt->mdt_seq_site.ss_node_id)
+ schedule_timeout_uninterruptible(cfs_time_seconds(3));
return tgt_connect(tsi);
}
struct mdt_lock_handle *lh,
__u64 flags, int result)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct ldlm_lock *lock = *lockp;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct ldlm_lock *lock = *lockp;
struct ldlm_lock *new_lock;
/* If possible resent found a lock, @lh is set to its handle */
new_lock = ldlm_handle2lock_long(&lh->mlh_reg_lh, 0);
- if (new_lock == NULL && (flags & LDLM_FL_INTENT_ONLY)) {
- lh->mlh_reg_lh.cookie = 0;
- RETURN(0);
- }
-
- if (new_lock == NULL && (flags & LDLM_FL_RESENT)) {
- /* Lock is pinned by ldlm_handle_enqueue0() as it is
- * a resend case, however, it could be already destroyed
- * due to client eviction or a raced cancel RPC. */
- LDLM_DEBUG_NOLOCK("Invalid lock handle %#llx\n",
- lh->mlh_reg_lh.cookie);
+ if (new_lock == NULL) {
+ if (flags & LDLM_FL_INTENT_ONLY) {
+ result = 0;
+ } else if (flags & LDLM_FL_RESENT) {
+ /* Lock is pinned by ldlm_handle_enqueue0() as it is a
+ * resend case, however, it could be already destroyed
+ * due to client eviction or a raced cancel RPC.
+ */
+ LDLM_DEBUG_NOLOCK("Invalid lock handle %#llx\n",
+ lh->mlh_reg_lh.cookie);
+ result = -ESTALE;
+ } else {
+ CERROR("%s: Invalid lockh=%#llx flags=%#llx fid1="DFID" fid2="DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ lh->mlh_reg_lh.cookie, flags,
+ PFID(&info->mti_tmp_fid1),
+ PFID(&info->mti_tmp_fid2), result);
+ result = -ESTALE;
+ }
lh->mlh_reg_lh.cookie = 0;
- RETURN(-ESTALE);
+ RETURN(result);
+ }
+
+ /*
+ * If we've already given this lock to a client once, then we should
+ * have no readers or writers. Otherwise, we should have one reader
+ * _or_ writer ref (which will be zeroed below) before returning the
+ * lock to a client.
+ */
+ if (new_lock->l_export == req->rq_export) {
+ LASSERT(new_lock->l_readers + new_lock->l_writers == 0);
+ } else {
+ LASSERT(new_lock->l_export == NULL);
+ LASSERT(new_lock->l_readers + new_lock->l_writers == 1);
}
- LASSERTF(new_lock != NULL,
- "lockh %#llx flags %#llx : rc = %d\n",
- lh->mlh_reg_lh.cookie, flags, result);
-
- /*
- * If we've already given this lock to a client once, then we should
- * have no readers or writers. Otherwise, we should have one reader
- * _or_ writer ref (which will be zeroed below) before returning the
- * lock to a client.
- */
- if (new_lock->l_export == req->rq_export) {
- LASSERT(new_lock->l_readers + new_lock->l_writers == 0);
- } else {
- LASSERT(new_lock->l_export == NULL);
- LASSERT(new_lock->l_readers + new_lock->l_writers == 1);
- }
-
- *lockp = new_lock;
-
- if (new_lock->l_export == req->rq_export) {
- /*
- * Already gave this to the client, which means that we
- * reconstructed a reply.
- */
- LASSERT(lustre_msg_get_flags(req->rq_reqmsg) &
- MSG_RESENT);
+ *lockp = new_lock;
+
+ if (new_lock->l_export == req->rq_export) {
+ /*
+ * Already gave this to the client, which means that we
+ * reconstructed a reply.
+ */
+ LASSERT(lustre_msg_get_flags(req->rq_reqmsg) &
+ MSG_RESENT);
LDLM_LOCK_RELEASE(new_lock);
- lh->mlh_reg_lh.cookie = 0;
- RETURN(ELDLM_LOCK_REPLACED);
- }
-
- /*
- * Fixup the lock to be given to the client.
- */
- lock_res_and_lock(new_lock);
- /* Zero new_lock->l_readers and new_lock->l_writers without triggering
- * possible blocking AST. */
- while (new_lock->l_readers > 0) {
- lu_ref_del(&new_lock->l_reference, "reader", new_lock);
- lu_ref_del(&new_lock->l_reference, "user", new_lock);
- new_lock->l_readers--;
- }
- while (new_lock->l_writers > 0) {
- lu_ref_del(&new_lock->l_reference, "writer", new_lock);
- lu_ref_del(&new_lock->l_reference, "user", new_lock);
- new_lock->l_writers--;
- }
-
- new_lock->l_export = class_export_lock_get(req->rq_export, new_lock);
- new_lock->l_blocking_ast = lock->l_blocking_ast;
- new_lock->l_completion_ast = lock->l_completion_ast;
+ lh->mlh_reg_lh.cookie = 0;
+ RETURN(ELDLM_LOCK_REPLACED);
+ }
+
+ /*
+ * Fixup the lock to be given to the client.
+ */
+ lock_res_and_lock(new_lock);
+ /* Zero new_lock->l_readers and new_lock->l_writers without triggering
+ * possible blocking AST.
+ */
+ while (new_lock->l_readers > 0) {
+ lu_ref_del(&new_lock->l_reference, "reader", new_lock);
+ lu_ref_del(&new_lock->l_reference, "user", new_lock);
+ new_lock->l_readers--;
+ }
+ while (new_lock->l_writers > 0) {
+ lu_ref_del(&new_lock->l_reference, "writer", new_lock);
+ lu_ref_del(&new_lock->l_reference, "user", new_lock);
+ new_lock->l_writers--;
+ }
+
+ new_lock->l_export = class_export_lock_get(req->rq_export, new_lock);
+ new_lock->l_blocking_ast = lock->l_blocking_ast;
+ new_lock->l_completion_ast = lock->l_completion_ast;
if (ldlm_has_dom(new_lock))
new_lock->l_glimpse_ast = ldlm_server_glimpse_ast;
- new_lock->l_remote_handle = lock->l_remote_handle;
- new_lock->l_flags &= ~LDLM_FL_LOCAL;
+ new_lock->l_remote_handle = lock->l_remote_handle;
+ new_lock->l_flags &= ~LDLM_FL_LOCAL;
- unlock_res_and_lock(new_lock);
+ unlock_res_and_lock(new_lock);
- cfs_hash_add(new_lock->l_export->exp_lock_hash,
- &new_lock->l_remote_handle,
- &new_lock->l_exp_hash);
+ cfs_hash_add(new_lock->l_export->exp_lock_hash,
+ &new_lock->l_remote_handle,
+ &new_lock->l_exp_hash);
- LDLM_LOCK_RELEASE(new_lock);
- lh->mlh_reg_lh.cookie = 0;
+ LDLM_LOCK_RELEASE(new_lock);
+ lh->mlh_reg_lh.cookie = 0;
- RETURN(ELDLM_LOCK_REPLACED);
+ RETURN(ELDLM_LOCK_REPLACED);
}
void mdt_intent_fixup_resent(struct mdt_thread_info *info,
struct ldlm_lock *new_lock,
struct mdt_lock_handle *lh, __u64 flags)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct ldlm_request *dlmreq;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct ldlm_request *dlmreq;
- if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT))
- return;
+ if (!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT))
+ return;
- dlmreq = req_capsule_client_get(info->mti_pill, &RMF_DLM_REQ);
+ dlmreq = req_capsule_client_get(info->mti_pill, &RMF_DLM_REQ);
- /* Check if this is a resend case (MSG_RESENT is set on RPC) and a
- * lock was found by ldlm_handle_enqueue(); if so @lh must be
- * initialized. */
+ /* if this is a resend case (MSG_RESENT is set on RPC) and a lock was
+ * found by ldlm_handle_enqueue(); if so @lh must be initialized.
+ */
if (flags & LDLM_FL_RESENT) {
lh->mlh_reg_lh.cookie = new_lock->l_handle.h_cookie;
lh->mlh_reg_mode = new_lock->l_granted_mode;
* If the xid matches, then we know this is a resent request, and allow
* it. (It's probably an OPEN, for which we don't send a lock.
*/
- if (req_can_reconstruct(req, NULL) == 1)
+ if (req_can_reconstruct(req, NULL) != 0)
return;
- /*
- * This remote handle isn't enqueued, so we never received or processed
- * this request. Clear MSG_RESENT, because it can be handled like any
- * normal request now.
- */
- lustre_msg_clear_flags(req->rq_reqmsg, MSG_RESENT);
+ /*
+ * This remote handle isn't enqueued, so we never received or processed
+ * this request. Clear MSG_RESENT, because it can be handled like any
+ * normal request now.
+ */
+ lustre_msg_clear_flags(req->rq_reqmsg, MSG_RESENT);
DEBUG_REQ(D_DLMTRACE, req, "no existing lock with rhandle %#llx",
dlmreq->lock_handle[0].cookie);
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
struct ldlm_reply *ldlm_rep = NULL;
int rc;
+
ENTRY;
/*
*/
mdt_intent_fixup_resent(info, *lockp, lhc, flags);
if (!lustre_handle_is_used(&lhc->mlh_reg_lh)) {
- mdt_lock_reg_init(lhc, (*lockp)->l_req_mode);
rc = mdt_object_lock(info, info->mti_object, lhc,
- MDS_INODELOCK_XATTR);
+ MDS_INODELOCK_XATTR, (*lockp)->l_req_mode);
if (rc)
return rc;
}
ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
if (ldlm_rep == NULL ||
- OBD_FAIL_CHECK(OBD_FAIL_MDS_XATTR_REP)) {
+ CFS_FAIL_CHECK(OBD_FAIL_MDS_XATTR_REP)) {
mdt_object_unlock(info, info->mti_object, lhc, 1);
if (is_serious(rc))
RETURN(rc);
ldlm_rep->lock_policy_res2 = clear_serious(rc);
- /* This is left for interop instead of adding a new interop flag.
- * LU-7433 */
+ /* This is for interop instead of adding a new interop flag. LU-7433 */
#if LUSTRE_VERSION_CODE > OBD_OCD_VERSION(3, 0, 0, 0)
if (ldlm_rep->lock_policy_res2) {
mdt_object_unlock(info, info->mti_object, lhc, 1);
}
static int mdt_intent_getattr(enum ldlm_intent_flags it_opc,
- struct mdt_thread_info *info,
- struct ldlm_lock **lockp,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
__u64 flags)
{
- struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
- __u64 child_bits;
- struct ldlm_reply *ldlm_rep;
- struct mdt_body *reqbody;
- struct mdt_body *repbody;
- int rc, rc2;
- ENTRY;
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
+ __u64 child_bits;
+ struct ldlm_reply *ldlm_rep;
+ struct mdt_body *reqbody;
+ struct mdt_body *repbody;
+ int rc, rc2;
- reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
- LASSERT(reqbody);
+ ENTRY;
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- LASSERT(repbody);
+ reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ LASSERT(reqbody);
+
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ LASSERT(repbody);
info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
repbody->mbo_eadatasize = 0;
GOTO(out_shrink, rc = -EINVAL);
}
- rc = mdt_init_ucred_intent_getattr(info, reqbody);
+ rc = mdt_init_ucred(info, reqbody);
if (rc)
GOTO(out_shrink, rc);
- ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
- mdt_set_disposition(info, ldlm_rep, DISP_IT_EXECD);
+ ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
+ mdt_set_disposition(info, ldlm_rep, DISP_IT_EXECD);
/* Get lock from request for possible resent case. */
mdt_intent_fixup_resent(info, *lockp, lhc, flags);
rc = mdt_getattr_name_lock(info, lhc, child_bits, ldlm_rep);
ldlm_rep->lock_policy_res2 = clear_serious(rc);
- if (mdt_get_disposition(ldlm_rep, DISP_LOOKUP_NEG))
- ldlm_rep->lock_policy_res2 = 0;
- if (!mdt_get_disposition(ldlm_rep, DISP_LOOKUP_POS) ||
- ldlm_rep->lock_policy_res2) {
- lhc->mlh_reg_lh.cookie = 0ull;
- GOTO(out_ucred, rc = ELDLM_LOCK_ABORTED);
- }
+ if (mdt_get_disposition(ldlm_rep, DISP_LOOKUP_NEG) &&
+ ldlm_rep->lock_policy_res2 != -ENOKEY)
+ ldlm_rep->lock_policy_res2 = 0;
+ if (!mdt_get_disposition(ldlm_rep, DISP_LOOKUP_POS) ||
+ ldlm_rep->lock_policy_res2) {
+ lhc->mlh_reg_lh.cookie = 0ull;
+ GOTO(out_ucred, rc = ELDLM_LOCK_ABORTED);
+ }
rc = mdt_intent_lock_replace(info, lockp, lhc, flags, rc);
- EXIT;
+ EXIT;
out_ucred:
- mdt_exit_ucred(info);
+ mdt_exit_ucred(info);
out_shrink:
- mdt_client_compatibility(info);
- rc2 = mdt_fix_reply(info);
- if (rc == 0)
- rc = rc2;
- return rc;
+ mdt_client_compatibility(info);
+ rc2 = mdt_fix_reply(info);
+ if (rc == 0)
+ rc = rc2;
+ return rc;
}
static int mdt_intent_layout(enum ldlm_intent_flags it_opc,
if (intent == NULL)
RETURN(-EPROTO);
- CDEBUG(D_INFO, DFID "got layout change request from client: "
- "opc:%u flags:%#x extent "DEXT"\n",
- PFID(fid), intent->li_opc, intent->li_flags,
- PEXT(&intent->li_extent));
+ CDEBUG(D_INFO, DFID "got layout change request from client: opc:%u flags:%#x extent "
+ DEXT"\n",
+ PFID(fid), intent->lai_opc, intent->lai_flags,
+ PEXT(&intent->lai_extent));
- switch (intent->li_opc) {
+ switch (intent->lai_opc) {
case LAYOUT_INTENT_TRUNC:
case LAYOUT_INTENT_WRITE:
+ case LAYOUT_INTENT_PCCRO_SET:
+ case LAYOUT_INTENT_PCCRO_CLEAR:
layout.mlc_opc = MD_LAYOUT_WRITE;
layout.mlc_intent = intent;
break;
case LAYOUT_INTENT_RELEASE:
case LAYOUT_INTENT_RESTORE:
CERROR("%s: Unsupported layout intent opc %d\n",
- mdt_obd_name(info->mti_mdt), intent->li_opc);
+ mdt_obd_name(info->mti_mdt), intent->lai_opc);
RETURN(-ENOTSUPP);
default:
CERROR("%s: Unknown layout intent opc %d\n",
- mdt_obd_name(info->mti_mdt), intent->li_opc);
+ mdt_obd_name(info->mti_mdt), intent->lai_opc);
RETURN(-EINVAL);
}
struct ldlm_lock **lockp,
__u64 flags)
{
- struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
- struct ldlm_reply *rep = NULL;
- long opc;
- int rc;
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
+ struct ldlm_reply *rep = NULL;
+ long opc;
+ int rc;
+ struct ptlrpc_request *req = mdt_info_req(info);
- static const struct req_format *intent_fmts[REINT_MAX] = {
- [REINT_CREATE] = &RQF_LDLM_INTENT_CREATE,
- [REINT_OPEN] = &RQF_LDLM_INTENT_OPEN
- };
+ static const struct req_format *intent_fmts[REINT_MAX] = {
+ [REINT_CREATE] = &RQF_LDLM_INTENT_CREATE,
+ [REINT_OPEN] = &RQF_LDLM_INTENT_OPEN
+ };
- ENTRY;
+ ENTRY;
opc = mdt_reint_opcode(mdt_info_req(info), intent_fmts);
- if (opc < 0)
- RETURN(opc);
+ if (opc < 0)
+ RETURN(opc);
/* Get lock from request for possible resent case. */
mdt_intent_fixup_resent(info, *lockp, lhc, flags);
- rc = mdt_reint_internal(info, lhc, opc);
+ rc = mdt_reint_internal(info, lhc, opc);
+
+ if (rc < 0 && lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY)
+ DEBUG_REQ(D_ERROR, req, "Replay open failed with %d", rc);
/* Check whether the reply has been packed successfully. */
if (mdt_info_req(info)->rq_repmsg != NULL)
RETURN(err_serious(-EFAULT));
}
- /* MDC expects this in any case */
- if (rc != 0)
- mdt_set_disposition(info, rep, DISP_LOOKUP_EXECD);
+ /* MDC expects this in any case */
+ if (rc != 0)
+ mdt_set_disposition(info, rep, DISP_LOOKUP_EXECD);
/* the open lock or the lock for cross-ref object should be
- * returned to the client */
+ * returned to the client
+ */
if (lustre_handle_is_used(&lhc->mlh_reg_lh) &&
(rc == 0 || rc == -MDT_EREMOTE_OPEN)) {
rep->lock_policy_res2 = 0;
rep->lock_policy_res2 = clear_serious(rc);
- if (rep->lock_policy_res2 == -ENOENT &&
+ if (rep->lock_policy_res2 == -ENOENT &&
mdt_get_disposition(rep, DISP_LOOKUP_NEG) &&
!mdt_get_disposition(rep, DISP_OPEN_CREATE))
rep->lock_policy_res2 = 0;
lhc->mlh_reg_lh.cookie = 0ull;
- if (rc == -ENOTCONN || rc == -ENODEV ||
- rc == -EOVERFLOW) { /**< if VBR failure then return error */
- /*
- * If it is the disconnect error (ENODEV & ENOCONN), the error
- * will be returned by rq_status, and client at ptlrpc layer
- * will detect this, then disconnect, reconnect the import
- * immediately, instead of impacting the following the rpc.
- */
- RETURN(rc);
- }
+ if (rc == -ENOTCONN || rc == -ENODEV ||
+ rc == -EOVERFLOW) { /**< if VBR failure then return error */
+ /*
+ * If it is the disconnect error (ENODEV & ENOCONN), the error
+ * will be returned by rq_status, and client at ptlrpc layer
+ * will detect this, then disconnect, reconnect the import
+ * immediately, instead of impacting the following the rpc.
+ */
+ RETURN(rc);
+ }
/*
* For other cases, the error will be returned by intent, and client
* will retrieve the result from intent.
struct ldlm_reply *rep;
bool check_mdt_object = false;
int rc;
+
ENTRY;
switch (it_opc) {
break;
case IT_GETATTR:
check_mdt_object = true;
- /* fallthrough */
+ fallthrough;
case IT_LOOKUP:
it_format = &RQF_LDLM_INTENT_GETATTR;
it_handler = &mdt_intent_getattr;
RETURN(-EPROTO);
}
- req_capsule_extend(pill, it_format);
+ if (!info->mti_batch_env)
+ req_capsule_extend(pill, it_format);
rc = mdt_unpack_req_pack_rep(info, it_handler_flags);
if (rc < 0)
if (it_handler_flags & IS_MUTABLE && mdt_rdonly(req->rq_export))
RETURN(-EROFS);
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_INTENT_DELAY, 10);
+ CFS_FAIL_TIMEOUT(OBD_FAIL_MDS_INTENT_DELAY, 10);
/* execute policy */
rc = (*it_handler)(it_opc, info, lockp, flags);
/* Check whether the reply has been packed successfully. */
- if (req->rq_repmsg != NULL) {
+ if (info->mti_batch_env || req->rq_repmsg != NULL) {
rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
rep->lock_policy_res2 =
ptlrpc_status_hton(rep->lock_policy_res2);
tsi = tgt_ses_info(env);
- info = tsi2mdt_info(tsi);
+ info = mdt_th_info(env);
LASSERT(info != NULL);
- pill = info->mti_pill;
+
+ /* Check whether it is a sub request processing in a batch request */
+ if (info->mti_batch_env) {
+ pill = info->mti_pill;
+ LASSERT(pill == &info->mti_sub_pill);
+ } else {
+ info = tsi2mdt_info(tsi);
+ pill = info->mti_pill;
+ }
+
LASSERT(pill->rc_req == req);
ldesc = &info->mti_dlm_req->lock_desc;
- if (req->rq_reqmsg->lm_bufcount > DLM_INTENT_IT_OFF) {
- req_capsule_extend(pill, &RQF_LDLM_INTENT_BASIC);
+ if (info->mti_batch_env ||
+ req->rq_reqmsg->lm_bufcount > DLM_INTENT_IT_OFF) {
+ /*
+ * For batch processing environment, the request format has
+ * already been set.
+ */
+ if (!info->mti_batch_env)
+ req_capsule_extend(pill, &RQF_LDLM_INTENT_BASIC);
+
it = req_capsule_client_get(pill, &RMF_LDLM_INTENT);
if (it != NULL) {
mdt_ptlrpc_stats_update(req, it->opc);
* later in ldlm. Let's check it now to see if we have
* ibits corrupted somewhere in mdt_intent_opc().
* The case for client miss to set ibits has been
- * processed by others. */
+ * processed by others.
+ */
LASSERT(ergo(ldesc->l_resource.lr_type == LDLM_IBITS,
ldesc->l_policy_data.l_inodebits.bits != 0));
} else {
rc = err_serious(-EFAULT);
}
+ } else if (ldesc->l_resource.lr_type == LDLM_IBITS &&
+ ldesc->l_policy_data.l_inodebits.bits == MDS_INODELOCK_DOM) {
+ struct ldlm_reply *rep;
+
+ /* No intent was provided but INTENT flag is set along with
+ * DOM bit, this is considered as GLIMPSE request.
+ * This logic is common for MDT and OST glimpse
+ */
+ mdt_ptlrpc_stats_update(req, IT_GLIMPSE);
+ rc = mdt_glimpse_enqueue(info, ns, lockp, flags);
+ /* Check whether the reply has been packed successfully. */
+ if (req->rq_repmsg != NULL) {
+ rep = req_capsule_server_get(info->mti_pill,
+ &RMF_DLM_REP);
+ rep->lock_policy_res2 =
+ ptlrpc_status_hton(rep->lock_policy_res2);
+ }
} else {
/* No intent was provided */
req_capsule_set_size(pill, &RMF_DLM_LVB, RCL_SERVER, 0);
if (rc)
rc = err_serious(rc);
}
- mdt_thread_info_fini(info);
+
+ if (!info->mti_batch_env)
+ mdt_thread_info_fini(info);
RETURN(rc);
}
struct mdt_device *mdt = data;
struct lu_server_fld *fld = mdt_seq_site(mdt)->ss_server_fld;
int rc;
+
ENTRY;
LASSERT(mdt_seq_site(mdt)->ss_node_id != 0);
}
/* Allocate new sequence now to avoid creating local transaction
- * in the normal transaction process */
+ * in the normal transaction process
+ */
rc = seq_server_check_and_alloc_super(&env,
mdt_seq_site(mdt)->ss_server_seq);
if (rc < 0)
*/
static int mdt_seq_init_cli(const struct lu_env *env, struct mdt_device *mdt)
{
- struct seq_server_site *ss = mdt_seq_site(mdt);
- int rc;
- char *prefix;
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+ char *prefix;
+
ENTRY;
/* check if this is adding the first MDC and controller is not yet
- * initialized. */
+ * initialized.
+ */
OBD_ALLOC_PTR(ss->ss_client_seq);
if (ss->ss_client_seq == NULL)
RETURN(-ENOMEM);
/* Note: seq_client_fini will be called in seq_site_fini */
snprintf(prefix, MAX_OBD_NAME + 5, "ctl-%s", mdt_obd_name(mdt));
- rc = seq_client_init(ss->ss_client_seq, NULL, LUSTRE_SEQ_METADATA,
- prefix, ss->ss_node_id == 0 ? ss->ss_control_seq :
+ seq_client_init(ss->ss_client_seq, NULL, LUSTRE_SEQ_METADATA,
+ prefix, ss->ss_node_id == 0 ? ss->ss_control_seq :
NULL);
OBD_FREE(prefix, MAX_OBD_NAME + 5);
- if (rc != 0) {
- OBD_FREE_PTR(ss->ss_client_seq);
- ss->ss_client_seq = NULL;
- RETURN(rc);
- }
-
- rc = seq_server_set_cli(env, ss->ss_server_seq, ss->ss_client_seq);
- RETURN(rc);
+ RETURN(seq_server_set_cli(env, ss->ss_server_seq, ss->ss_client_seq));
}
static int mdt_seq_init(const struct lu_env *env, struct mdt_device *mdt)
{
struct seq_server_site *ss;
int rc;
+
ENTRY;
ss = mdt_seq_site(mdt);
* FLD wrappers
*/
static int mdt_fld_fini(const struct lu_env *env,
- struct mdt_device *m)
+ struct mdt_device *m)
{
struct seq_server_site *ss = mdt_seq_site(m);
+
ENTRY;
if (ss && ss->ss_server_fld) {
}
static int mdt_fld_init(const struct lu_env *env,
- const char *uuid,
- struct mdt_device *m)
+ const char *uuid,
+ struct mdt_device *m)
{
struct seq_server_site *ss;
int rc;
+
ENTRY;
ss = mdt_seq_site(m);
struct lustre_cfg_bufs *bufs;
struct lustre_cfg *lcfg;
struct mdt_thread_info *info;
+
ENTRY;
LASSERT(top);
/* XXX: this is needed because all layers are referenced by
* objects (some of them are pinned by osd, for example *
* the proper solution should be a model where object used
- * by osd only doesn't have mdt/mdd slices -bzzz */
+ * by osd only doesn't have mdt/mdd slices -bzzz
+ */
lustre_cfg_bufs_reset(bufs, mdt_obd_name(m));
lustre_cfg_bufs_set_string(bufs, 1, NULL);
OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
struct lustre_cfg *lcfg;
struct mdt_thread_info *info;
char flags[3] = "";
+
ENTRY;
info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
struct obd_connect_data *data = NULL;
struct obd_device *obd;
int rc;
+
ENTRY;
OBD_ALLOC_PTR(data);
struct obd_device *obd;
struct lustre_profile *lprof;
struct lu_site *site;
- ENTRY;
+
+ ENTRY;
/* in 1.8 we had the only device in the stack - MDS.
* 2.0 introduces MDT, MDD, OSD; MDT starts others internally.
* #02 (160)setup 0:lustre-MDT0000 1:lustre-MDT0000_UUID 2:0
* 3:lustre-MDD0000 4:f
*
- * notice we build the stack from down to top: MDD first, then MDT */
+ * notice we build the stack from down to top: MDD first, then MDT
+ */
name_size = MAX_OBD_NAME;
uuid_size = MAX_OBD_NAME;
struct lustre_profile *lprof;
struct obd_connect_data *data;
int rc;
+
ENTRY;
LASSERT(mdt->mdt_qmt_exp == NULL);
* We generate the QMT name from the MDT one, just replacing MD with QM
* after all the preparations, the logical equivalent will be:
* #01 (160)setup 0:lustre-QMT0000 1:lustre-QMT0000_UUID 2:0
- * 3:lustre-MDT0000-osd 4:f */
+ * 3:lustre-MDT0000-osd 4:f
+ */
OBD_ALLOC(qmtname, MAX_OBD_NAME);
OBD_ALLOC(uuid, UUID_MAX);
OBD_ALLOC_PTR(bufs);
mdt->mdt_qmt_dev = obd->obd_lu_dev;
/* configure local quota objects */
- if (OBD_FAIL_CHECK(OBD_FAIL_QUOTA_INIT))
+ if (CFS_FAIL_CHECK(OBD_FAIL_QUOTA_INIT))
rc = -EBADF;
else
rc = mdt->mdt_qmt_dev->ld_ops->ldo_prepare(env,
/* mdt_getxattr() is used from mdt_intent_getxattr(), use this wrapper
* for now. This will be removed along with converting rest of MDT code
- * to use tgt_session_info */
+ * to use tgt_session_info
+ */
static int mdt_tgt_getxattr(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info = tsi2mdt_info(tsi);
return rc;
}
+static int mdt_llog_open(struct tgt_session_info *tsi)
+{
+ ENTRY;
+
+ if (!mdt_changelog_allow(tsi2mdt_info(tsi)))
+ RETURN(err_serious(-EACCES));
+
+ RETURN(tgt_llog_open(tsi));
+}
+
#define OBD_FAIL_OST_READ_NET OBD_FAIL_OST_BRW_NET
#define OBD_FAIL_OST_WRITE_NET OBD_FAIL_OST_BRW_NET
#define OST_BRW_READ OST_READ
&RQF_MDS_DISCONNECT, LUSTRE_OBD_VERSION),
TGT_RPC_HANDLER(MDS_FIRST_OPC,
HAS_REPLY, MDS_SET_INFO, mdt_set_info,
- &RQF_OBD_SET_INFO, LUSTRE_MDS_VERSION),
+ &RQF_MDT_SET_INFO, LUSTRE_MDS_VERSION),
TGT_MDT_HDL(0, MDS_GET_INFO, mdt_get_info),
TGT_MDT_HDL(HAS_REPLY, MDS_GET_ROOT, mdt_get_root),
TGT_MDT_HDL(HAS_BODY, MDS_GETATTR, mdt_getattr),
MDS_SWAP_LAYOUTS,
mdt_swap_layouts),
TGT_MDT_HDL(IS_MUTABLE, MDS_RMFID, mdt_rmfid),
+TGT_MDT_HDL(IS_MUTABLE, MDS_BATCH, mdt_batch),
};
static struct tgt_handler mdt_io_ops[] = {
mdt_hp_brw),
TGT_OST_HDL_HP(HAS_BODY | HAS_REPLY | IS_MUTABLE,
OST_PUNCH, mdt_punch_hdl,
- mdt_hp_punch),
+ mdt_hp_punch),
TGT_OST_HDL(HAS_BODY | HAS_REPLY, OST_SYNC, mdt_data_sync),
+TGT_OST_HDL(HAS_BODY | HAS_REPLY | IS_MUTABLE, OST_FALLOCATE,
+ mdt_fallocate_hdl),
+TGT_OST_HDL(HAS_BODY | HAS_REPLY, OST_SEEK, tgt_lseek),
+TGT_RPC_HANDLER(OST_FIRST_OPC,
+ 0, OST_SET_INFO, mdt_io_set_info,
+ &RQF_OBD_SET_INFO, LUSTRE_OST_VERSION),
};
static struct tgt_handler mdt_sec_ctx_ops[] = {
TGT_SEC_HDL_VAR(0, SEC_CTX_INIT, mdt_sec_ctx_handle),
-TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT,mdt_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT, mdt_sec_ctx_handle),
TGT_SEC_HDL_VAR(0, SEC_CTX_FINI, mdt_sec_ctx_handle)
};
TGT_QUOTA_HDL(HAS_REPLY, QUOTA_DQACQ, mdt_quota_dqacq),
};
+static struct tgt_handler mdt_llog_handlers[] = {
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_CREATE, mdt_llog_open),
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_NEXT_BLOCK, tgt_llog_next_block),
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_READ_HEADER, tgt_llog_read_header),
+ TGT_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_PREV_BLOCK, tgt_llog_prev_block),
+};
+
static struct tgt_opc_slice mdt_common_slice[] = {
{
.tos_opc_start = MDS_FIRST_OPC,
{
.tos_opc_start = LLOG_FIRST_OPC,
.tos_opc_end = LLOG_LAST_OPC,
- .tos_hs = tgt_llog_handlers
+ .tos_hs = mdt_llog_handlers
},
{
.tos_opc_start = LFSCK_FIRST_OPC,
next->md_ops->mdo_iocontrol(env, next, OBD_IOC_STOP_LFSCK, 0, &stop);
mdt_stack_pre_fini(env, m, md2lu_dev(m->mdt_child));
+
+ mdt_restriper_stop(m);
ping_evictor_stop();
/* Remove the HSM /proc entry so the coordinator cannot be
upcall_cache_cleanup(m->mdt_identity_cache);
m->mdt_identity_cache = NULL;
- mdt_fs_cleanup(env, m);
-
tgt_fini(env, &m->mdt_lut);
mdt_hsm_cdt_fini(m);
int rc;
long node_id;
mntopt_t mntopts;
+
ENTRY;
lu_device_init(&m->mdt_lu_dev, ldt);
LASSERT(obd != NULL);
m->mdt_max_mdsize = MAX_MD_SIZE_OLD;
- m->mdt_opts.mo_evict_tgt_nids = 1;
+ m->mdt_evict_tgt_nids = 1;
m->mdt_opts.mo_cos = MDT_COS_DEFAULT;
lmi = server_get_mount(dev);
RETURN(-EFAULT);
} else {
lsi = s2lsi(lmi->lmi_sb);
+ LASSERT(lsi->lsi_lmd);
/* CMD is supported only in IAM mode */
LASSERT(num);
- node_id = simple_strtol(num, NULL, 10);
- obd->u.obt.obt_magic = OBT_MAGIC;
- if (lsi->lsi_lmd != NULL &&
- lsi->lsi_lmd->lmd_flags & LMD_FLG_SKIP_LFSCK)
+ rc = kstrtol(num, 10, &node_id);
+ if (rc)
+ RETURN(rc);
+
+ obd_obt_init(obd);
+ if (test_bit(LMD_FLG_SKIP_LFSCK, lsi->lsi_lmd->lmd_flags))
m->mdt_skip_lfsck = 1;
+ if (test_bit(LMD_FLG_NO_CREATE, lsi->lsi_lmd->lmd_flags))
+ m->mdt_lut.lut_no_create = 1;
}
- /* DoM files get IO lock at open by default */
- m->mdt_opts.mo_dom_lock = ALWAYS_DOM_LOCK_ON_OPEN;
+ /* Just try to get a DoM lock by default. Otherwise, having a group
+ * lock granted, it may get blocked for a long time.
+ */
+ m->mdt_opts.mo_dom_lock = TRYLOCK_DOM_ON_OPEN;
/* DoM files are read at open and data is packed in the reply */
- m->mdt_opts.mo_dom_read_open = 1;
+ m->mdt_dom_read_open = 1;
m->mdt_squash.rsi_uid = 0;
m->mdt_squash.rsi_gid = 0;
INIT_LIST_HEAD(&m->mdt_squash.rsi_nosquash_nids);
spin_lock_init(&m->mdt_squash.rsi_lock);
spin_lock_init(&m->mdt_lock);
- m->mdt_enable_remote_dir = 1;
- m->mdt_enable_striped_dir = 1;
+ m->mdt_enable_chprojid_gid = 0;
m->mdt_enable_dir_migration = 1;
+ m->mdt_enable_dir_restripe = 0;
+ m->mdt_enable_dir_auto_split = 0;
+ m->mdt_enable_parallel_rename_dir = 1;
+ m->mdt_enable_parallel_rename_file = 1;
+ m->mdt_enable_parallel_rename_crossdir = 1;
+ m->mdt_enable_remote_dir = 1;
m->mdt_enable_remote_dir_gid = 0;
- m->mdt_enable_chprojid_gid = 0;
m->mdt_enable_remote_rename = 1;
+ m->mdt_enable_striped_dir = 1;
+ m->mdt_enable_dmv_implicit_inherit = 1;
+ m->mdt_dir_restripe_nsonly = 1;
+ m->mdt_max_mod_rpcs_in_flight = OBD_MAX_RIF_DEFAULT;
atomic_set(&m->mdt_mds_mds_conns, 0);
atomic_set(&m->mdt_async_commit_count, 0);
+ atomic_set(&m->mdt_dmv_old_client_count, 0);
m->mdt_lu_dev.ld_ops = &mdt_lu_ops;
m->mdt_lu_dev.ld_obd = obd;
/* Set this lu_device to obd for error handling purposes. */
obd->obd_lu_dev = &m->mdt_lu_dev;
+ strncpy(m->mdt_job_xattr, XATTR_NAME_JOB_DEFAULT, XATTR_JOB_MAX_LEN);
+
/* init the stack */
rc = mdt_stack_init((struct lu_env *)env, m, cfg);
if (rc) {
/* failover is the default
* FIXME: we do not failout mds0/mgs, which may cause some problems.
* assumed whose ss_node_id == 0 XXX
- * */
+ */
obd->obd_replayable = 1;
/* No connection accepted until configurations will finish */
obd->obd_no_conn = 1;
if (cfg->lcfg_bufcount > 4 && LUSTRE_CFG_BUFLEN(cfg, 4) > 0) {
char *str = lustre_cfg_string(cfg, 4);
+
if (strchr(str, 'n')) {
CWARN("%s: recovery disabled\n", mdt_obd_name(m));
obd->obd_replayable = 0;
LDLM_NAMESPACE_SERVER,
LDLM_NAMESPACE_GREEDY,
LDLM_NS_TYPE_MDT);
- if (m->mdt_namespace == NULL)
- GOTO(err_fini_seq, rc = -ENOMEM);
+ if (IS_ERR(m->mdt_namespace)) {
+ rc = PTR_ERR(m->mdt_namespace);
+ CERROR("%s: unable to create server namespace: rc = %d\n",
+ obd->obd_name, rc);
+ m->mdt_namespace = NULL;
+ GOTO(err_fini_seq, rc);
+ }
m->mdt_namespace->ns_lvbp = m;
m->mdt_namespace->ns_lvbo = &mdt_lvbo;
GOTO(err_free_ns, rc);
/* Amount of available space excluded from granting and reserved
- * for metadata. It is in percentage and 50% is default value. */
- tgd->tgd_reserved_pcnt = 50;
+ * for metadata. It is a percentage of the total MDT size.
+ */
+ tgd->tgd_reserved_pcnt = 10;
if (ONE_MB_BRW_SIZE < (1U << tgd->tgd_blockbits))
m->mdt_brw_size = 1U << tgd->tgd_blockbits;
else
m->mdt_brw_size = ONE_MB_BRW_SIZE;
- rc = mdt_fs_setup(env, m, obd, lsi);
- if (rc)
- GOTO(err_tgt, rc);
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_FS_SETUP))
+ GOTO(err_tgt, rc = -ENOENT);
fid.f_seq = FID_SEQ_LOCAL_NAME;
fid.f_oid = 1;
fid.f_ver = 0;
rc = local_oid_storage_init(env, m->mdt_bottom, &fid, &m->mdt_los);
if (rc != 0)
- GOTO(err_fs_cleanup, rc);
+ GOTO(err_tgt, rc);
rc = mdt_hsm_cdt_init(m);
if (rc != 0) {
else
m->mdt_opts.mo_acl = 0;
+ m->mdt_enable_strict_som = 1;
+
/* XXX: to support suppgid for ACL, we enable identity_upcall
- * by default, otherwise, maybe got unexpected -EACCESS. */
+ * by default, otherwise, maybe got unexpected -EACCESS.
+ */
if (m->mdt_opts.mo_acl)
identity_upcall = MDT_IDENTITY_UPCALL_PATH;
m->mdt_identity_cache = upcall_cache_init(mdt_obd_name(m),
identity_upcall,
+ UC_IDCACHE_HASH_SIZE,
+ 1200, /* entry expire: 20 mn */
+ 30, /* acquire expire: 30 s */
+ true, /* acquire can replay */
&mdt_identity_upcall_cache_ops);
if (IS_ERR(m->mdt_identity_cache)) {
rc = PTR_ERR(m->mdt_identity_cache);
ping_evictor_start();
- /* recovery will be started upon mdt_prepare()
- * when the whole stack is complete and ready
- * to serve the requests */
+ /* recovery will be started upon mdt_prepare() when the whole stack is
+ * complete and ready to serve the requests
+ */
/* Reduce the initial timeout on an MDS because it doesn't need such
* a long timeout as an OST does. Adaptive timeouts will adjust this
- * value appropriately. */
+ * value appropriately.
+ */
if (ldlm_timeout == LDLM_TIMEOUT_DEFAULT)
ldlm_timeout = MDS_LDLM_TIMEOUT_DEFAULT;
+ if (test_bit(LMD_FLG_LOCAL_RECOV, lsi->lsi_lmd->lmd_flags))
+ m->mdt_lut.lut_local_recovery = 1;
+
+ rc = mdt_restriper_start(m);
+ if (rc)
+ GOTO(err_ping_evictor, rc);
+
RETURN(0);
+
+err_ping_evictor:
+ ping_evictor_stop();
err_procfs:
mdt_tunables_fini(m);
err_recovery:
err_los_fini:
local_oid_storage_fini(env, m->mdt_los);
m->mdt_los = NULL;
-err_fs_cleanup:
- mdt_fs_cleanup(env, m);
err_tgt:
/* keep recoverable clients */
obd->obd_fail = 1;
err_lmi:
if (lmi)
server_put_mount(dev, true);
- return(rc);
+ return rc;
}
/* For interoperability, the left element is old parameter, the right one
* is the new version of the parameter, if some parameter is deprecated,
- * the new version should be set as NULL. */
+ * the new version should be set as NULL.
+ */
static struct cfg_interop_param mdt_interop_param[] = {
{ "mdt.group_upcall", NULL },
{ "mdt.quota_type", NULL },
/* used by MGS to process specific configurations */
static int mdt_process_config(const struct lu_env *env,
- struct lu_device *d, struct lustre_cfg *cfg)
+ struct lu_device *d, struct lustre_cfg *cfg)
{
- struct mdt_device *m = mdt_dev(d);
- struct md_device *md_next = m->mdt_child;
- struct lu_device *next = md2lu_dev(md_next);
- int rc;
- ENTRY;
+ struct mdt_device *m = mdt_dev(d);
+ struct md_device *md_next = m->mdt_child;
+ struct lu_device *next = md2lu_dev(md_next);
+ int rc;
+
+ ENTRY;
switch (cfg->lcfg_command) {
case LCFG_PARAM: {
if (ptr != NULL) {
if (ptr->new_param == NULL) {
rc = 0;
- CWARN("For interoperability, skip this %s."
- " It is obsolete.\n", ptr->old_param);
+ CWARN("For interoperability, skip this %s. It is obsolete.\n",
+ ptr->old_param);
break;
}
cfg->lcfg_buflens));
break;
}
- default:
- /* others are passed further */
- rc = next->ld_ops->ldo_process_config(env, next, cfg);
- break;
- }
- RETURN(rc);
+ default:
+ /* others are passed further */
+ rc = next->ld_ops->ldo_process_config(env, next, cfg);
+ break;
+ }
+ RETURN(rc);
}
static struct lu_object *mdt_object_alloc(const struct lu_env *env,
init_rwsem(&mo->mot_dom_sem);
init_rwsem(&mo->mot_open_sem);
atomic_set(&mo->mot_open_count, 0);
+ mo->mot_restripe_offset = 0;
+ INIT_LIST_HEAD(&mo->mot_restripe_linkage);
+ mo->mot_lsom_size = 0;
+ mo->mot_lsom_blocks = 0;
+ mo->mot_lsom_inited = false;
RETURN(o);
}
RETURN(NULL);
}
static int mdt_object_init(const struct lu_env *env, struct lu_object *o,
- const struct lu_object_conf *unused)
+ const struct lu_object_conf *unused)
{
- struct mdt_device *d = mdt_dev(o->lo_dev);
- struct lu_device *under;
- struct lu_object *below;
- int rc = 0;
- ENTRY;
+ struct mdt_device *d = mdt_dev(o->lo_dev);
+ struct lu_device *under;
+ struct lu_object *below;
+ int rc = 0;
+
+ ENTRY;
- CDEBUG(D_INFO, "object init, fid = "DFID"\n",
- PFID(lu_object_fid(o)));
+ CDEBUG(D_INFO, "object init, fid = "DFID"\n",
+ PFID(lu_object_fid(o)));
- under = &d->mdt_child->md_lu_dev;
- below = under->ld_ops->ldo_object_alloc(env, o->lo_header, under);
- if (below != NULL) {
- lu_object_add(o, below);
- } else
- rc = -ENOMEM;
+ under = &d->mdt_child->md_lu_dev;
+ below = under->ld_ops->ldo_object_alloc(env, o->lo_header, under);
+ if (below != NULL)
+ lu_object_add(o, below);
+ else
+ rc = -ENOMEM;
+
+ RETURN(rc);
+}
- RETURN(rc);
+static void mdt_object_free_rcu(struct rcu_head *head)
+{
+ struct mdt_object *mo = container_of(head, struct mdt_object,
+ mot_header.loh_rcu);
+
+ kmem_cache_free(mdt_object_kmem, mo);
}
static void mdt_object_free(const struct lu_env *env, struct lu_object *o)
{
- struct mdt_object *mo = mdt_obj(o);
- struct lu_object_header *h;
- ENTRY;
+ struct mdt_object *mo = mdt_obj(o);
+ struct lu_object_header *h;
+
+ ENTRY;
- h = o->lo_header;
- CDEBUG(D_INFO, "object free, fid = "DFID"\n",
- PFID(lu_object_fid(o)));
+ h = o->lo_header;
+ CDEBUG(D_INFO, "object free, fid = "DFID"\n",
+ PFID(lu_object_fid(o)));
LASSERT(atomic_read(&mo->mot_open_count) == 0);
LASSERT(atomic_read(&mo->mot_lease_count) == 0);
lu_object_fini(o);
lu_object_header_fini(h);
- OBD_SLAB_FREE_PTR(mo, mdt_object_kmem);
+ OBD_FREE_PRE(mo, sizeof(*mo), "slab-freed");
+ call_rcu(&mo->mot_header.loh_rcu, mdt_object_free_rcu);
EXIT;
}
rc = lfsck_register_namespace(env, mdt->mdt_bottom, mdt->mdt_namespace);
/* The LFSCK instance is registered just now, so it must be there when
- * register the namespace to such instance. */
+ * register the namespace to such instance.
+ */
LASSERTF(rc == 0, "register namespace failed: rc = %d\n", rc);
if (mdt->mdt_seq_site.ss_node_id == 0) {
}
const struct lu_device_operations mdt_lu_ops = {
- .ldo_object_alloc = mdt_object_alloc,
- .ldo_process_config = mdt_process_config,
+ .ldo_object_alloc = mdt_object_alloc,
+ .ldo_process_config = mdt_process_config,
.ldo_prepare = mdt_prepare,
};
static const struct lu_object_operations mdt_obj_ops = {
- .loo_object_init = mdt_object_init,
- .loo_object_free = mdt_object_free,
- .loo_object_print = mdt_object_print
+ .loo_object_init = mdt_object_init,
+ .loo_object_free = mdt_object_free,
+ .loo_object_print = mdt_object_print
};
static int mdt_obd_set_info_async(const struct lu_env *env,
- struct obd_export *exp,
- __u32 keylen, void *key,
- __u32 vallen, void *val,
- struct ptlrpc_request_set *set)
+ struct obd_export *exp,
+ __u32 keylen, void *key,
+ __u32 vallen, void *val,
+ struct ptlrpc_request_set *set)
{
int rc;
RETURN(0);
}
+static inline void mdt_enable_slc(struct mdt_device *mdt)
+{
+ if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_NEVER)
+ mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_BLOCKING;
+}
+
+static inline void mdt_disable_slc(struct mdt_device *mdt)
+{
+ if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_BLOCKING)
+ mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_NEVER;
+}
+
/**
* Match client and server connection feature flags.
*
struct obd_connect_data *data, bool reconnect)
{
const char *obd_name = mdt_obd_name(mdt);
+
LASSERT(data != NULL);
data->ocd_connect_flags &= MDT_CONNECT_SUPPORTED;
data->ocd_brw_size = min(data->ocd_brw_size,
mdt->mdt_brw_size);
if (data->ocd_brw_size == 0) {
- CERROR("%s: cli %s/%p ocd_connect_flags: %#llx "
- "ocd_version: %x ocd_grant: %d ocd_index: %u "
- "ocd_brw_size unexpectedly zero, network data "
- "corruption? Refusing to connect this client\n",
- obd_name, exp->exp_client_uuid.uuid,
+ CERROR("%s: cli %s/%p ocd_connect_flags: %#llx ocd_version: %x ocd_grant: %d ocd_index: %u ocd_brw_size unexpectedly zero, network data corruption? Refusing to connect this client\n", obd_name, exp->exp_client_uuid.uuid,
exp, data->ocd_connect_flags, data->ocd_version,
data->ocd_grant, data->ocd_index);
return -EPROTO;
exp->exp_target_data.ted_pagebits = data->ocd_grant_blkbits;
data->ocd_grant_blkbits = mdt->mdt_lut.lut_tgd.tgd_blockbits;
/* ddp_inodespace may not be power-of-two value, eg. for ldiskfs
- * it's LDISKFS_DIR_REC_LEN(20) = 28. */
+ * it's LDISKFS_DIR_REC_LEN(20) = 28.
+ */
data->ocd_grant_inobits = fls(ddp->ddp_inodespace - 1);
/* ocd_grant_tax_kb is in 1K byte blocks */
data->ocd_grant_tax_kb = ddp->ddp_extent_tax >> 10;
/* Save connect_data we have so far because tgt_grant_connect()
* uses it to calculate grant, and we want to save the client
- * version before it is overwritten by LUSTRE_VERSION_CODE. */
+ * version before it is overwritten by LUSTRE_VERSION_CODE.
+ */
exp->exp_connect_data = *data;
if (OCD_HAS_FLAG(data, GRANT))
tgt_grant_connect(env, exp, data, !reconnect);
* exp_connect_data.ocd_connect_flags in this case, since
* tgt_client_new() needs to know if this is a lightweight
* connection, and it is safe to expose this flag before
- * connection processing completes. */
+ * connection processing completes.
+ */
if (data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT) {
spin_lock(&exp->exp_lock);
*exp_connect_flags_ptr(exp) |= OBD_CONNECT_LIGHTWEIGHT;
* exp_connect_data.ocd_connect_flags in this case, since
* tgt_client_new() needs to know if this is client supports
* multiple modify RPCs, and it is safe to expose this flag before
- * connection processing completes. */
+ * connection processing completes.
+ */
if (data->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS) {
- data->ocd_maxmodrpcs = max_mod_rpcs_per_client;
+ if (mdt_max_mod_rpcs_changed(mdt))
+ /* The new mdt.*.max_mod_rpcs_in_flight parameter
+ * has not changed since initialization, but the
+ * deprecated module parameter was changed,
+ * so use that instead.
+ */
+ data->ocd_maxmodrpcs = max_mod_rpcs_per_client;
+ else
+ data->ocd_maxmodrpcs = mdt->mdt_max_mod_rpcs_in_flight;
spin_lock(&exp->exp_lock);
*exp_connect_flags_ptr(exp) |= OBD_CONNECT_MULTIMODRPCS;
spin_unlock(&exp->exp_lock);
if (OCD_HAS_FLAG(data, CKSUM)) {
__u32 cksum_types = data->ocd_cksum_types;
- /* The client set in ocd_cksum_types the checksum types it
- * supports. We have to mask off the algorithms that we don't
- * support */
- data->ocd_cksum_types &=
- obd_cksum_types_supported_server(obd_name);
+ tgt_mask_cksum_types(&mdt->mdt_lut, &data->ocd_cksum_types);
if (unlikely(data->ocd_cksum_types == 0)) {
- CERROR("%s: Connect with checksum support but no "
- "ocd_cksum_types is set\n",
+ CERROR("%s: Connect with checksum support but no ocd_cksum_types is set\n",
exp->exp_obd->obd_name);
RETURN(-EPROTO);
}
- CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return "
- "%x\n", exp->exp_obd->obd_name, obd_export_nid2str(exp),
+ CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return %x\n",
+ exp->exp_obd->obd_name, obd_export_nid2str(exp),
cksum_types, data->ocd_cksum_types);
} else {
- /* This client does not support OBD_CONNECT_CKSUM
- * fall back to CRC32 */
- CDEBUG(D_RPCTRACE, "%s: cli %s does not support "
- "OBD_CONNECT_CKSUM, CRC32 will be used\n",
+ /* Client not support OBD_CONNECT_CKSUM? fall back to CRC32 */
+ CDEBUG(D_RPCTRACE, "%s: cli %s does not support OBD_CONNECT_CKSUM, CRC32 will be used\n",
exp->exp_obd->obd_name, obd_export_nid2str(exp));
}
+ if ((data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
+ atomic_inc(&mdt->mdt_mds_mds_conns);
+ mdt_enable_slc(mdt);
+ }
+
+ if (!mdt->mdt_lut.lut_dt_conf.ddp_has_lseek_data_hole)
+ data->ocd_connect_flags2 &= ~OBD_CONNECT2_LSEEK;
+
+ if (!OCD_HAS_FLAG(data, MDS_MDS) && !OCD_HAS_FLAG(data, LIGHTWEIGHT) &&
+ !OCD_HAS_FLAG2(data, DMV_IMP_INHERIT)) {
+ atomic_inc(&mdt->mdt_dmv_old_client_count);
+ mdt->mdt_enable_dmv_implicit_inherit = 0;
+ }
+
return 0;
}
{
struct lu_context ses;
int rc;
+
ENTRY;
rc = lu_context_init(&ses, LCT_SERVER_SESSION);
lu_context_enter(&ses);
mdt_ucred(info)->uc_valid = UCRED_OLD;
+ /* do not let rbac interfere with dirty flag internal system event */
+ mdt_ucred(info)->uc_rbac_file_perms = 1;
+ mdt_ucred(info)->uc_rbac_dne_ops = 1;
+ mdt_ucred(info)->uc_rbac_quota_ops = 1;
+ mdt_ucred(info)->uc_rbac_byfid_ops = 1;
+ mdt_ucred(info)->uc_rbac_chlg_ops = 1;
+ mdt_ucred(info)->uc_rbac_fscrypt_admin = 1;
rc = mdt_add_dirty_flag(info, mfd->mfd_object, &info->mti_attr);
lu_context_exit(&ses);
static int mdt_export_cleanup(struct obd_export *exp)
{
- struct list_head closing_list;
+ LIST_HEAD(closing_list);
struct mdt_export_data *med = &exp->exp_mdt_data;
struct obd_device *obd = exp->exp_obd;
struct mdt_device *mdt;
struct lu_env env;
struct mdt_file_data *mfd, *n;
int rc = 0;
+
ENTRY;
- INIT_LIST_HEAD(&closing_list);
spin_lock(&med->med_open_lock);
while (!list_empty(&med->med_open_head)) {
struct list_head *tmp = med->med_open_head.next;
+
mfd = list_entry(tmp, struct mdt_file_data, mfd_list);
/* Remove mfd handle so it can't be found again.
- * We are consuming the mfd_list reference here. */
+ * We are consuming the mfd_list reference here.
+ */
class_handle_unhash(&mfd->mfd_open_handle);
list_move_tail(&mfd->mfd_list, &closing_list);
}
spin_unlock(&med->med_open_lock);
- mdt = mdt_dev(obd->obd_lu_dev);
- LASSERT(mdt != NULL);
+ mdt = mdt_dev(obd->obd_lu_dev);
+ LASSERT(mdt != NULL);
- rc = lu_env_init(&env, LCT_MD_THREAD);
- if (rc)
- RETURN(rc);
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc)
+ RETURN(rc);
- info = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
- LASSERT(info != NULL);
- memset(info, 0, sizeof *info);
- info->mti_env = &env;
- info->mti_mdt = mdt;
- info->mti_exp = exp;
+ info = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
+ LASSERT(info != NULL);
+ memset(info, 0, sizeof(*info));
+ info->mti_env = &env;
+ info->mti_mdt = mdt;
+ info->mti_exp = exp;
if (!list_empty(&closing_list)) {
struct md_attr *ma = &info->mti_attr;
- /* Close any open files (which may also cause orphan
- * unlinking). */
+ /* Close any open files (which may cause orphan unlinking). */
list_for_each_entry_safe(mfd, n, &closing_list, mfd_list) {
list_del_init(&mfd->mfd_list);
ma->ma_need = ma->ma_valid = 0;
rc = mdt_ctxt_add_dirty_flag(&env, info, mfd);
/* Don't unlink orphan on failover umount, LU-184 */
- if (exp->exp_flags & OBD_OPT_FAILOVER) {
+ if (exp->exp_flags & OBD_OPT_FAILOVER ||
+ exp->exp_obd->obd_stopping) {
ma->ma_valid = MA_FLAGS;
ma->ma_attr_flags |= MDS_KEEP_ORPHAN;
}
/* Do not erase record for recoverable client. */
if (!(exp->exp_flags & OBD_OPT_FAILOVER) || exp->exp_failed)
tgt_client_del(&env, exp);
- lu_env_fini(&env);
-
- RETURN(rc);
-}
-
-static inline void mdt_enable_slc(struct mdt_device *mdt)
-{
- if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_NEVER)
- mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_BLOCKING;
-}
+ lu_env_fini(&env);
-static inline void mdt_disable_slc(struct mdt_device *mdt)
-{
- if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_BLOCKING)
- mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_NEVER;
+ RETURN(rc);
}
static int mdt_obd_disconnect(struct obd_export *exp)
{
+ struct obd_connect_data *data = &exp->exp_connect_data;
+ struct mdt_device *mdt = mdt_dev(exp->exp_obd->obd_lu_dev);
int rc;
ENTRY;
LASSERT(exp);
class_export_get(exp);
- if (!(exp->exp_flags & OBD_OPT_FORCE))
- tgt_grant_sanity_check(exp->exp_obd, __func__);
+ if (OCD_HAS_FLAG(data, MDS_MDS) && !OCD_HAS_FLAG(data, LIGHTWEIGHT) &&
+ atomic_dec_and_test(&mdt->mdt_mds_mds_conns))
+ mdt_disable_slc(mdt);
- if ((exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS) &&
- !(exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT)) {
- struct mdt_device *mdt = mdt_dev(exp->exp_obd->obd_lu_dev);
-
- if (atomic_dec_and_test(&mdt->mdt_mds_mds_conns))
- mdt_disable_slc(mdt);
- }
+ if (!OCD_HAS_FLAG(data, MDS_MDS) && !OCD_HAS_FLAG(data, LIGHTWEIGHT) &&
+ !OCD_HAS_FLAG2(data, DMV_IMP_INHERIT) &&
+ atomic_dec_and_test(&mdt->mdt_dmv_old_client_count))
+ mdt->mdt_enable_dmv_implicit_inherit = 1;
rc = server_disconnect_export(exp);
if (rc != 0)
tgt_grant_discard(exp);
+ if (!(exp->exp_flags & OBD_OPT_FORCE))
+ tgt_grant_sanity_check(exp->exp_obd, __func__);
+
rc = mdt_export_cleanup(exp);
nodemap_del_member(exp);
class_export_put(exp);
struct lustre_handle conn = { 0 };
struct mdt_device *mdt;
int rc;
- lnet_nid_t *client_nid = localdata;
+ struct lnet_nid *client_nid = localdata;
+
ENTRY;
LASSERT(env != NULL);
mdt = mdt_dev(obd->obd_lu_dev);
- if ((data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
- !(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
- atomic_inc(&mdt->mdt_mds_mds_conns);
- mdt_enable_slc(mdt);
- }
-
/*
* first, check whether the stack is ready to handle requests
* XXX: probably not very appropriate method is used now
lexp = class_conn2export(&conn);
LASSERT(lexp != NULL);
- rc = nodemap_add_member(*client_nid, lexp);
+ rc = nodemap_add_member(client_nid, lexp);
if (rc != 0 && rc != -EEXIST)
GOTO(out, rc);
struct lsd_client_data *lcd = lexp->exp_target_data.ted_lcd;
LASSERT(lcd);
- memcpy(lcd->lcd_uuid, cluuid, sizeof lcd->lcd_uuid);
+ memcpy(lcd->lcd_uuid, cluuid, sizeof(lcd->lcd_uuid));
rc = tgt_client_new(env, lexp);
if (rc == 0)
mdt_export_stats_init(obd, lexp, localdata);
} else {
*exp = lexp;
/* Because we do not want this export to be evicted by pinger,
- * let's not add this export to the timed chain list. */
+ * let's not add this export to the timed chain list.
+ */
if (data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) {
spin_lock(&lexp->exp_obd->obd_dev_lock);
list_del_init(&lexp->exp_obd_chain_timed);
struct obd_connect_data *data,
void *localdata)
{
- lnet_nid_t *client_nid = localdata;
- int rc;
+ struct lnet_nid *client_nid = localdata;
+ int rc;
+
ENTRY;
if (exp == NULL || obd == NULL || cluuid == NULL)
RETURN(-EINVAL);
- rc = nodemap_add_member(*client_nid, exp);
+ rc = nodemap_add_member(client_nid, exp);
if (rc != 0 && rc != -EEXIST)
RETURN(rc);
{
struct mdt_export_data *med = &exp->exp_mdt_data;
int rc;
+
ENTRY;
INIT_LIST_HEAD(&med->med_open_head);
if (exp->exp_used_slots == NULL)
RETURN(-ENOMEM);
- /* self-export doesn't need client data and ldlm initialization */
- if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
- &exp->exp_client_uuid)))
- RETURN(0);
+ /* self-export doesn't need client data and ldlm initialization */
+ if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
+ &exp->exp_client_uuid)))
+ RETURN(0);
- rc = tgt_client_alloc(exp);
- if (rc)
+ rc = tgt_client_alloc(exp);
+ if (rc)
GOTO(err, rc);
rc = ldlm_init_export(exp);
if (rc)
GOTO(err_free, rc);
- RETURN(rc);
+ RETURN(rc);
err_free:
tgt_client_free(exp);
static int mdt_destroy_export(struct obd_export *exp)
{
- ENTRY;
+ ENTRY;
- target_destroy_export(exp);
+ target_destroy_export(exp);
if (exp->exp_used_slots)
OBD_FREE(exp->exp_used_slots,
BITS_TO_LONGS(OBD_MAX_RIF_MAX) * sizeof(long));
- /* destroy can be called from failed obd_setup, so
- * checking uuid is safer than obd_self_export */
- if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
- &exp->exp_client_uuid)))
- RETURN(0);
+ /* destroy can be called from failed obd_setup, so
+ * checking uuid is safer than obd_self_export
+ */
+ if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
+ &exp->exp_client_uuid)))
+ RETURN(0);
ldlm_destroy_export(exp);
tgt_client_free(exp);
*/
tgt_grant_discard(exp);
if (exp_connect_flags(exp) & OBD_CONNECT_GRANT)
- exp->exp_obd->u.obt.obt_lut->lut_tgd.tgd_tot_granted_clients--;
+ obd2obt(exp->exp_obd)->obt_lut->lut_tgd.tgd_tot_granted_clients--;
if (!(exp->exp_flags & OBD_OPT_FORCE))
tgt_grant_sanity_check(exp->exp_obd, __func__);
struct getinfo_fid2path *fp,
struct lu_fid *root_fid)
{
- struct mdt_device *mdt = info->mti_mdt;
- struct mdt_object *mdt_obj;
- struct link_ea_header *leh;
- struct link_ea_entry *lee;
- struct lu_name *tmpname = &info->mti_name;
- struct lu_fid *tmpfid = &info->mti_tmp_fid1;
- struct lu_buf *buf = &info->mti_big_buf;
- char *ptr;
- int reclen;
- struct linkea_data ldata = { NULL };
- int rc = 0;
- bool first = true;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct lu_name *tmpname = &info->mti_name;
+ struct lu_fid *tmpfid = &info->mti_tmp_fid1;
+ struct lu_buf *buf = &info->mti_big_buf;
+ struct linkea_data ldata = { NULL };
+ bool first = true;
+ struct mdt_object *mdt_obj;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ bool worthchecking = true;
+ bool needsfid = false;
+ bool supported = false;
+ int isenc = -1;
+ char *ptr;
+ int reclen;
+ int rc = 0;
+
ENTRY;
/* temp buffer for path element, the buffer will be finally freed
- * in mdt_thread_info_fini */
+ * in mdt_thread_info_fini
+ */
buf = lu_buf_check_and_alloc(buf, PATH_MAX);
if (buf->lb_buf == NULL)
RETURN(-ENOMEM);
*tmpfid = fp->gf_fid = *mdt_object_fid(obj);
while (!lu_fid_eq(root_fid, &fp->gf_fid)) {
- struct lu_buf lmv_buf;
-
if (!lu_fid_eq(root_fid, &mdt->mdt_md_root_fid) &&
lu_fid_eq(&mdt->mdt_md_root_fid, &fp->gf_fid))
GOTO(out, rc = -ENOENT);
GOTO(remote_out, rc = -EREMOTE);
}
+ if (worthchecking) {
+ /* need to know if FID being looked up is encrypted */
+ struct lu_attr la = { 0 };
+ struct dt_object *dt = mdt_obj2dt(mdt_obj);
+
+ if (dt && dt->do_ops && dt->do_ops->do_attr_get)
+ dt_attr_get(info->mti_env, dt, &la);
+ if (la.la_valid & LA_FLAGS &&
+ la.la_flags & LUSTRE_ENCRYPT_FL) {
+ if (!supported && mdt_info_req(info) &&
+ !exp_connect_encrypt_fid2path(
+ mdt_info_req(info)->rq_export)) {
+ /* client does not support fid2path
+ * for encrypted files
+ */
+ mdt_object_put(info->mti_env, mdt_obj);
+ GOTO(out, rc = -ENODATA);
+ } else {
+ supported = true;
+ }
+ needsfid = true;
+ if (isenc == -1)
+ isenc = 1;
+ } else {
+ worthchecking = false;
+ needsfid = false;
+ if (isenc == -1)
+ isenc = 0;
+ }
+ }
+
rc = mdt_links_read(info, mdt_obj, &ldata);
if (rc != 0) {
mdt_object_put(info->mti_env, mdt_obj);
lee = (struct link_ea_entry *)(leh + 1); /* link #0 */
linkea_entry_unpack(lee, &reclen, tmpname, tmpfid);
/* If set, use link #linkno for path lookup, otherwise use
- link #0. Only do this for the final path element. */
+ * link #0. Only do this for the final path ement.
+ */
if (first && fp->gf_linkno < leh->leh_reccount) {
int count;
+
for (count = 0; count < fp->gf_linkno; count++) {
lee = (struct link_ea_entry *)
((char *)lee + reclen);
fp->gf_linkno++;
}
- lmv_buf.lb_buf = info->mti_xattr_buf;
- lmv_buf.lb_len = sizeof(info->mti_xattr_buf);
/* Check if it is slave stripes */
- rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
- &lmv_buf, XATTR_NAME_LMV);
+ rc = mdt_is_dir_stripe(info, mdt_obj);
mdt_object_put(info->mti_env, mdt_obj);
- if (rc > 0) {
- union lmv_mds_md *lmm = lmv_buf.lb_buf;
-
- /* For slave stripes, get its master */
- if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_STRIPE) {
- fp->gf_fid = *tmpfid;
- continue;
- }
- } else if (rc < 0 && rc != -ENODATA) {
+ if (rc < 0)
GOTO(out, rc);
+ if (rc == 1) {
+ fp->gf_fid = *tmpfid;
+ continue;
}
- rc = 0;
-
/* Pack the name in the end of the buffer */
ptr -= tmpname->ln_namelen;
if (ptr - 1 <= fp->gf_u.gf_path)
- GOTO(out, rc = -EOVERFLOW);
+ GOTO(out, rc = -ENAMETOOLONG);
strncpy(ptr, tmpname->ln_name, tmpname->ln_namelen);
+ if (needsfid) {
+ /* Pack FID before file name, so that client can build
+ * encoded/digested form.
+ */
+ char fidstr[FID_LEN + 1];
+
+ snprintf(fidstr, sizeof(fidstr), DFID,
+ PFID(&fp->gf_fid));
+ ptr -= strlen(fidstr);
+ if (ptr - 1 <= fp->gf_u.gf_path)
+ GOTO(out, rc = -ENAMETOOLONG);
+ strncpy(ptr, fidstr, strlen(fidstr));
+ }
*(--ptr) = '/';
- /* keep the last resolved fid to the client, so the
- * client will build the left path on another MDT for
- * remote object */
+ /* keep the last resolved fid to the client, so the client will
+ * build the left path on another MDT for remote object
+ */
fp->gf_fid = *tmpfid;
first = false;
}
+ /* non-zero will be treated as an error */
+ rc = 0;
+
remote_out:
- ptr++; /* skip leading / */
+ if (isenc != 1)
+ ptr++; /* skip leading / unless this is an encrypted file */
memmove(fp->gf_u.gf_path, ptr,
fp->gf_u.gf_path + fp->gf_pathlen - ptr);
* \param[in] info Per-thread common data shared by mdt level handlers.
* \param[in] obj Object to do path lookup of
* \param[in,out] fp User-provided struct for arguments and to store path
- * information
+ * information
*
* \retval 0 Lookup successful, path information stored in fp
* \retval negative errno if there was a problem
struct mdt_device *mdt = info->mti_mdt;
int tries = 3;
int rc = -EAGAIN;
+
ENTRY;
if (fp->gf_pathlen < 3)
*
* \param[in] info Per-thread common data shared by mdt level handlers.
* \param[in,out] fp User-provided struct for arguments and to store path
- * information
+ * information
*
* \retval 0 Lookup successful, path information and recno stored in fp
* \retval -ENOENT, object does not exist
struct mdt_device *mdt = info->mti_mdt;
struct mdt_object *obj;
int rc;
+
ENTRY;
CDEBUG(D_IOCTL, "path get "DFID" from %llu #%d\n",
RETURN(-EINVAL);
if (!fid_is_namespace_visible(&fp->gf_fid)) {
- CDEBUG(D_INFO, "%s: "DFID" is invalid, f_seq should be >= %#llx"
- ", or f_oid != 0, or f_ver == 0\n", mdt_obd_name(mdt),
+ CDEBUG(D_INFO, "%s: "DFID" is invalid, f_seq should be >= %#llx, or f_oid != 0, or f_ver == 0\n",
+ mdt_obd_name(mdt),
PFID(&fp->gf_fid), (__u64)FID_SEQ_NORMAL);
RETURN(-EINVAL);
}
+ /* return error if client-provided root fid is not the one stored in
+ * the export
+ */
+ if (root_fid && !fid_is_zero(&info->mti_exp->exp_root_fid) &&
+ !lu_fid_eq(root_fid, &info->mti_exp->exp_root_fid)) {
+ CDEBUG(D_INFO,
+ "%s: root fid from client "DFID" but "DFID" stored in export\n",
+ mdt_obd_name(mdt), PFID(root_fid),
+ PFID(&info->mti_exp->exp_root_fid));
+ RETURN(-EXDEV);
+ }
+
obj = mdt_object_find(info->mti_env, mdt, &fp->gf_fid);
if (IS_ERR(obj)) {
rc = PTR_ERR(obj);
struct lu_fid *root_fid = NULL;
int rc = 0;
- fpin = key + cfs_size_round(sizeof(KEY_FID2PATH));
+ fpin = key + round_up(sizeof(KEY_FID2PATH), 8);
fpout = val;
- if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
+ if (req_capsule_req_need_swab(info->mti_pill))
lustre_swab_fid2path(fpin);
memcpy(fpout, fpin, sizeof(*fpin));
if (fpout->gf_pathlen != vallen - sizeof(*fpin))
RETURN(-EINVAL);
- if (keylen >= cfs_size_round(sizeof(KEY_FID2PATH)) + sizeof(*fpin) +
+ if (keylen >= round_up(sizeof(KEY_FID2PATH), 8) + sizeof(*fpin) +
sizeof(struct lu_fid)) {
/* client sent its root FID, which is normally fileset FID */
root_fid = fpin->gf_u.gf_root_fid;
- if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
+ if (req_capsule_req_need_swab(info->mti_pill))
lustre_swab_lu_fid(root_fid);
if (root_fid != NULL && !fid_is_sane(root_fid))
struct mdt_object *obj;
struct mdt_lock_handle *lh;
int rc;
+
ENTRY;
if (data->ioc_inlbuf1 == NULL || data->ioc_inllen1 != sizeof(*fid) ||
CDEBUG(D_IOCTL, "getting version for "DFID"\n", PFID(fid));
- lh = &mti->mti_lh[MDT_LH_PARENT];
- mdt_lock_reg_init(lh, LCK_CR);
-
- obj = mdt_object_find_lock(mti, fid, lh, MDS_INODELOCK_UPDATE);
- if (IS_ERR(obj))
- RETURN(PTR_ERR(obj));
+ lh = &mti->mti_lh[MDT_LH_PARENT];
+ obj = mdt_object_find_lock(mti, fid, lh, MDS_INODELOCK_UPDATE, LCK_CR);
+ if (IS_ERR(obj))
+ RETURN(PTR_ERR(obj));
if (mdt_object_remote(obj)) {
rc = -EREMOTE;
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void __user *uarg)
{
- struct lu_env env;
- struct obd_device *obd = exp->exp_obd;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- struct dt_device *dt = mdt->mdt_bottom;
- int rc;
+ struct obd_device *obd = exp->exp_obd;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct dt_device *dt = mdt->mdt_bottom;
+ struct obd_ioctl_data *data;
+ struct lu_env env;
+ int rc;
+
+ ENTRY;
+ CDEBUG(D_IOCTL, "%s: cmd=%x len=%u karg=%pK uarg=%pK\n",
+ obd->obd_name, cmd, len, karg, uarg);
- ENTRY;
- CDEBUG(D_IOCTL, "handling ioctl cmd %#x\n", cmd);
- rc = lu_env_init(&env, LCT_MD_THREAD);
- if (rc)
- RETURN(rc);
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc)
+ RETURN(rc);
+ /* handle commands that don't use @karg first */
switch (cmd) {
case OBD_IOC_SYNC:
rc = mdt_device_sync(&env, mdt);
- break;
+ GOTO(out, rc);
case OBD_IOC_SET_READONLY:
rc = dt_sync(&env, dt);
if (rc == 0)
rc = dt_ro(&env, dt);
- break;
- case OBD_IOC_ABORT_RECOVERY:
- CERROR("%s: Aborting recovery for device\n", mdt_obd_name(mdt));
- obd->obd_abort_recovery = 1;
- target_stop_recovery_thread(obd);
+ GOTO(out, rc);
+ }
+
+ if (unlikely(karg == NULL)) {
+ OBD_IOC_ERROR(obd->obd_name, cmd, "karg=NULL", rc = -EINVAL);
+ GOTO(out, rc);
+ }
+ data = karg;
+
+ switch (cmd) {
+ case OBD_IOC_ABORT_RECOVERY: {
+ if (data->ioc_type & OBD_FLG_ABORT_RECOV_MDT) {
+ LCONSOLE_WARN("%s: Aborting MDT recovery\n",
+ obd->obd_name);
+ obd->obd_abort_mdt_recovery = 1;
+ wake_up(&obd->obd_next_transno_waitq);
+ } else { /* if (data->ioc_type & OBD_FLG_ABORT_RECOV_OST) */
+ /* lctl didn't set OBD_FLG_ABORT_RECOV_OST < 2.13.57 */
+ LCONSOLE_WARN("%s: Aborting client recovery\n",
+ obd->obd_name);
+ obd->obd_abort_recovery = 1;
+ target_stop_recovery_thread(obd);
+ }
rc = 0;
break;
- case OBD_IOC_CHANGELOG_REG:
- case OBD_IOC_CHANGELOG_DEREG:
- case OBD_IOC_CHANGELOG_CLEAR:
- rc = mdt->mdt_child->md_ops->mdo_iocontrol(&env,
- mdt->mdt_child,
+ }
+ case OBD_IOC_CHANGELOG_REG:
+ case OBD_IOC_CHANGELOG_DEREG:
+ case OBD_IOC_CHANGELOG_CLEAR:
+ case OBD_IOC_LLOG_PRINT:
+ case OBD_IOC_LLOG_CANCEL:
+ rc = mdt->mdt_child->md_ops->mdo_iocontrol(&env, mdt->mdt_child,
cmd, len, karg);
- break;
+ break;
case OBD_IOC_START_LFSCK: {
struct md_device *next = mdt->mdt_child;
- struct obd_ioctl_data *data = karg;
struct lfsck_start_param lsp;
- if (unlikely(data == NULL)) {
- rc = -EINVAL;
- break;
- }
-
lsp.lsp_start = (struct lfsck_start *)(data->ioc_inlbuf1);
lsp.lsp_index_valid = 0;
rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, &lsp);
break;
}
case OBD_IOC_STOP_LFSCK: {
- struct md_device *next = mdt->mdt_child;
- struct obd_ioctl_data *data = karg;
- struct lfsck_stop stop;
+ struct md_device *next = mdt->mdt_child;
+ struct lfsck_stop stop;
stop.ls_status = LS_STOPPED;
/* Old lfsck utils may pass NULL @stop. */
break;
}
case OBD_IOC_QUERY_LFSCK: {
- struct md_device *next = mdt->mdt_child;
- struct obd_ioctl_data *data = karg;
+ struct md_device *next = mdt->mdt_child;
rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0,
data->ioc_inlbuf1);
break;
}
- case OBD_IOC_GET_OBJ_VERSION: {
- struct mdt_thread_info *mti;
- mti = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
- memset(mti, 0, sizeof *mti);
- mti->mti_env = &env;
- mti->mti_mdt = mdt;
- mti->mti_exp = exp;
-
- rc = mdt_ioc_version_get(mti, karg);
- break;
- }
+ case OBD_IOC_GET_OBJ_VERSION: {
+ struct mdt_thread_info *mti;
+
+ mti = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
+ memset(mti, 0, sizeof(*mti));
+ mti->mti_env = &env;
+ mti->mti_mdt = mdt;
+ mti->mti_exp = exp;
+
+ rc = mdt_ioc_version_get(mti, karg);
+ break;
+ }
case OBD_IOC_CATLOGLIST: {
struct mdt_thread_info *mti;
rc = llog_catalog_list(&env, mdt->mdt_bottom, 0, karg,
&mti->mti_tmp_fid1);
break;
- }
+ }
default:
- rc = -EOPNOTSUPP;
- CERROR("%s: Not supported cmd = %d, rc = %d\n",
- mdt_obd_name(mdt), cmd, rc);
+ rc = OBD_IOC_ERROR(obd->obd_name, cmd, "unrecognized", -ENOTTY);
+ break;
}
-
- lu_env_fini(&env);
- RETURN(rc);
+out:
+ lu_env_fini(&env);
+ RETURN(rc);
}
static int mdt_postrecov(const struct lu_env *env, struct mdt_device *mdt)
{
struct lu_device *ld = md2lu_dev(mdt->mdt_child);
int rc;
+
ENTRY;
if (!mdt->mdt_skip_lfsck && !mdt->mdt_bottom->dd_rdonly) {
static int mdt_obd_postrecov(struct obd_device *obd)
{
- struct lu_env env;
- int rc;
+ struct lu_env env;
+ int rc;
- rc = lu_env_init(&env, LCT_MD_THREAD);
- if (rc)
- RETURN(rc);
- rc = mdt_postrecov(&env, mdt_dev(obd->obd_lu_dev));
- lu_env_fini(&env);
- return rc;
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc)
+ RETURN(rc);
+ rc = mdt_postrecov(&env, mdt_dev(obd->obd_lu_dev));
+ lu_env_fini(&env);
+ return rc;
}
static const struct obd_ops mdt_obd_device_ops = {
- .o_owner = THIS_MODULE,
- .o_set_info_async = mdt_obd_set_info_async,
- .o_connect = mdt_obd_connect,
- .o_reconnect = mdt_obd_reconnect,
- .o_disconnect = mdt_obd_disconnect,
- .o_init_export = mdt_init_export,
- .o_destroy_export = mdt_destroy_export,
- .o_iocontrol = mdt_iocontrol,
- .o_postrecov = mdt_obd_postrecov,
+ .o_owner = THIS_MODULE,
+ .o_set_info_async = mdt_obd_set_info_async,
+ .o_connect = mdt_obd_connect,
+ .o_reconnect = mdt_obd_reconnect,
+ .o_disconnect = mdt_obd_disconnect,
+ .o_init_export = mdt_init_export,
+ .o_destroy_export = mdt_destroy_export,
+ .o_iocontrol = mdt_iocontrol,
+ .o_postrecov = mdt_obd_postrecov,
/* Data-on-MDT IO methods */
.o_preprw = mdt_obd_preprw,
.o_commitrw = mdt_obd_commitrw,
};
-static struct lu_device* mdt_device_fini(const struct lu_env *env,
- struct lu_device *d)
+static struct lu_device *mdt_device_fini(const struct lu_env *env,
+ struct lu_device *d)
{
- struct mdt_device *m = mdt_dev(d);
- ENTRY;
+ struct mdt_device *m = mdt_dev(d);
- mdt_fini(env, m);
- RETURN(NULL);
+ ENTRY;
+
+ mdt_fini(env, m);
+ RETURN(NULL);
}
static struct lu_device *mdt_device_free(const struct lu_env *env,
- struct lu_device *d)
+ struct lu_device *d)
{
struct mdt_device *m = mdt_dev(d);
+
ENTRY;
lu_device_fini(&m->mdt_lu_dev);
}
static struct lu_device *mdt_device_alloc(const struct lu_env *env,
- struct lu_device_type *t,
- struct lustre_cfg *cfg)
+ struct lu_device_type *t,
+ struct lustre_cfg *cfg)
{
- struct lu_device *l;
- struct mdt_device *m;
+ struct lu_device *l;
+ struct mdt_device *m;
- OBD_ALLOC_PTR(m);
- if (m != NULL) {
- int rc;
+ OBD_ALLOC_PTR(m);
+ if (m != NULL) {
+ int rc;
l = &m->mdt_lu_dev;
- rc = mdt_init0(env, m, t, cfg);
- if (rc != 0) {
- mdt_device_free(env, l);
- l = ERR_PTR(rc);
- return l;
- }
- } else
- l = ERR_PTR(-ENOMEM);
- return l;
+ rc = mdt_init0(env, m, t, cfg);
+ if (rc != 0) {
+ mdt_device_free(env, l);
+ l = ERR_PTR(rc);
+ return l;
+ }
+ } else
+ l = ERR_PTR(-ENOMEM);
+ return l;
}
/* context key constructor/destructor: mdt_key_init, mdt_key_fini */
LU_KEY_INIT(mdt, struct mdt_thread_info);
static void mdt_key_fini(const struct lu_context *ctx,
- struct lu_context_key *key, void* data)
+ struct lu_context_key *key, void *data)
{
struct mdt_thread_info *info = data;
*/
void mdt_enable_cos(struct mdt_device *mdt, bool val)
{
- struct lu_env env;
- int rc;
+ struct lu_env env;
+ int rc;
mdt->mdt_opts.mo_cos = val;
- rc = lu_env_init(&env, LCT_LOCAL);
+ rc = lu_env_init(&env, LCT_LOCAL);
if (unlikely(rc != 0)) {
- CWARN("%s: lu_env initialization failed, cannot "
- "sync: rc = %d\n", mdt_obd_name(mdt), rc);
+ CWARN("%s: lu_env initialization failed, cannot sync: rc = %d\n",
+ mdt_obd_name(mdt), rc);
return;
}
mdt_device_sync(&env, mdt);
*/
int mdt_cos_is_enabled(struct mdt_device *mdt)
{
- return mdt->mdt_opts.mo_cos != 0;
+ return mdt->mdt_opts.mo_cos != 0;
}
-static struct lu_device_type_operations mdt_device_type_ops = {
- .ldto_device_alloc = mdt_device_alloc,
- .ldto_device_free = mdt_device_free,
- .ldto_device_fini = mdt_device_fini
+static const struct lu_device_type_operations mdt_device_type_ops = {
+ .ldto_device_alloc = mdt_device_alloc,
+ .ldto_device_free = mdt_device_free,
+ .ldto_device_fini = mdt_device_fini
};
static struct lu_device_type mdt_device_type = {
- .ldt_tags = LU_DEVICE_MD,
- .ldt_name = LUSTRE_MDT_NAME,
- .ldt_ops = &mdt_device_type_ops,
- .ldt_ctx_tags = LCT_MD_THREAD
+ .ldt_tags = LU_DEVICE_MD,
+ .ldt_name = LUSTRE_MDT_NAME,
+ .ldt_ops = &mdt_device_type_ops,
+ .ldt_ctx_tags = LCT_MD_THREAD
};
static int __init mdt_init(void)
FID_NOBRACE_LEN + 1);
BUILD_BUG_ON(sizeof("[0x0123456789ABCDEF:0x01234567:0x01234567]") !=
FID_LEN + 1);
+
+ rc = libcfs_setup();
+ if (rc)
+ return rc;
+
rc = lu_kmem_init(mdt_caches);
if (rc)
return rc;
if (rc)
GOTO(lu_fini, rc);
- rc = class_register_type(&mdt_obd_device_ops, NULL, true, NULL,
+ rc = class_register_type(&mdt_obd_device_ops, NULL, true,
LUSTRE_MDT_NAME, &mdt_device_type);
if (rc)
GOTO(mds_fini, rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff