#include <dt_object.h>
#include <lustre_acl.h>
#include <lustre_export.h>
-#include <lustre_ioctl.h>
+#include <uapi/linux/lustre/lustre_ioctl.h>
#include <lustre_lfsck.h>
#include <lustre_log.h>
-#include <lustre_net.h>
#include <lustre_nodemap.h>
#include <lustre_mds.h>
-#include <lustre_param.h>
+#include <uapi/linux/lustre/lustre_param.h>
#include <lustre_quota.h>
#include <lustre_swab.h>
#include <obd.h>
#include <obd_support.h>
-
+#include <lustre_barrier.h>
+#include <obd_cksum.h>
#include <llog_swab.h>
#include "mdt_internal.h"
lh->mlh_type = MDT_PDO_LOCK;
if (lu_name_is_valid(lname)) {
- lh->mlh_pdo_hash = full_name_hash(lname->ln_name,
- lname->ln_namelen);
+ lh->mlh_pdo_hash = ll_full_name_hash(NULL, lname->ln_name,
+ lname->ln_namelen);
/* XXX Workaround for LU-2856
*
* Zero is a valid return value of full_name_hash, but
{
struct ptlrpc_request *req = tgt_ses_req(tsi);
struct mdt_thread_info *info = tsi2mdt_info(tsi);
- struct md_device *next = info->mti_mdt->mdt_child;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct tg_grants_data *tgd = &mdt->mdt_lut.lut_tgd;
struct ptlrpc_service_part *svcpt;
struct obd_statfs *osfs;
int rc;
if (!osfs)
GOTO(out, rc = -EPROTO);
- /** statfs information are cached in the mdt_device */
- if (cfs_time_before_64(info->mti_mdt->mdt_osfs_age,
- cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS))) {
- /** statfs data is too old, get up-to-date one */
- rc = next->md_ops->mdo_statfs(info->mti_env, next, osfs);
- if (rc)
- GOTO(out, rc);
- spin_lock(&info->mti_mdt->mdt_lock);
- info->mti_mdt->mdt_osfs = *osfs;
- info->mti_mdt->mdt_osfs_age = cfs_time_current_64();
- spin_unlock(&info->mti_mdt->mdt_lock);
- } else {
- /** use cached statfs data */
- spin_lock(&info->mti_mdt->mdt_lock);
- *osfs = info->mti_mdt->mdt_osfs;
- spin_unlock(&info->mti_mdt->mdt_lock);
- }
+ rc = tgt_statfs_internal(tsi->tsi_env, &mdt->mdt_lut, osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ NULL);
+ if (unlikely(rc))
+ GOTO(out, rc);
+ /* 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",
+ 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_bavail -= min_t(u64, osfs->os_bavail,
+ ((tgd->tgd_tot_dirty + tgd->tgd_tot_pending +
+ osfs->os_bsize - 1) >> tgd->tgd_blockbits));
+
+ tgt_grant_sanity_check(mdt->mdt_lu_dev.ld_obd, __func__);
+ 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) {
+ /* 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;
+ osfs->os_bsize = 1 << COMPAT_BSIZE_SHIFT;
+ }
if (rc == 0)
mdt_counter_incr(req, LPROC_MDT_STATFS);
out:
RETURN(rc);
}
+/**
+ * Pack size attributes into the reply.
+ */
+int mdt_pack_size2body(struct mdt_thread_info *info,
+ const struct lu_fid *fid, bool dom_lock)
+{
+ struct mdt_body *b;
+ struct md_attr *ma = &info->mti_attr;
+ int dom_stripe;
+
+ ENTRY;
+
+ LASSERT(ma->ma_attr.la_valid & LA_MODE);
+
+ if (!S_ISREG(ma->ma_attr.la_mode) ||
+ !(ma->ma_valid & MA_LOV && ma->ma_lmm != NULL))
+ RETURN(-ENODATA);
+
+ dom_stripe = mdt_lmm_dom_entry(ma->ma_lmm);
+ /* no DoM stripe, no size in reply */
+ if (dom_stripe == LMM_NO_DOM)
+ RETURN(-ENOENT);
+
+ /* no DoM lock, no size in reply */
+ if (!dom_lock)
+ RETURN(0);
+
+ /* Either DoM lock exists or LMM has only DoM stripe then
+ * 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);
+ RETURN(0);
+}
+
#ifdef CONFIG_FS_POSIX_ACL
/*
* Pack ACL data into the reply. UIDs/GIDs are mapped and filtered by nodemap.
const struct lu_env *env = info->mti_env;
struct md_object *next = mdt_object_child(o);
struct lu_buf *buf = &info->mti_buf;
+ struct mdt_device *mdt = info->mti_mdt;
int rc;
+ ENTRY;
+
buf->lb_buf = req_capsule_server_get(info->mti_pill, &RMF_ACL);
buf->lb_len = req_capsule_get_size(info->mti_pill, &RMF_ACL,
RCL_SERVER);
if (buf->lb_len == 0)
- return 0;
+ RETURN(0);
+again:
rc = mo_xattr_get(env, next, buf, XATTR_NAME_ACL_ACCESS);
if (rc < 0) {
if (rc == -ENODATA) {
} else if (rc == -EOPNOTSUPP) {
rc = 0;
} else {
+ if (rc == -ERANGE &&
+ exp_connect_large_acl(info->mti_exp) &&
+ buf->lb_buf != info->mti_big_acl) {
+ if (info->mti_big_acl == NULL) {
+ OBD_ALLOC_LARGE(info->mti_big_acl,
+ mdt->mdt_max_ea_size);
+ if (info->mti_big_acl == NULL) {
+ CERROR("%s: unable to grow "
+ DFID" ACL buffer\n",
+ mdt_obd_name(mdt),
+ PFID(mdt_object_fid(o)));
+ RETURN(-ENOMEM);
+ }
+
+ info->mti_big_aclsize =
+ mdt->mdt_max_ea_size;
+ }
+
+ CDEBUG(D_INODE, "%s: grow the "DFID
+ " ACL buffer to size %d\n",
+ mdt_obd_name(mdt),
+ PFID(mdt_object_fid(o)),
+ mdt->mdt_max_ea_size);
+
+ buf->lb_buf = info->mti_big_acl;
+ buf->lb_len = info->mti_big_aclsize;
+
+ goto again;
+ }
+
CERROR("%s: unable to read "DFID" ACL: rc = %d\n",
- mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)), rc);
+ mdt_obd_name(mdt), PFID(mdt_object_fid(o)), rc);
}
} else {
+ 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 */
if (rc < 0) {
CERROR("%s: nodemap_map_acl unable to parse "DFID
- " ACL: rc = %d\n", mdt_obd_name(info->mti_mdt),
+ " ACL: rc = %d\n", mdt_obd_name(mdt),
PFID(mdt_object_fid(o)), rc);
} else {
repbody->mbo_aclsize = rc;
rc = 0;
}
}
- return rc;
+
+ RETURN(rc);
}
#endif
+/* XXX Look into layout in MDT layer. */
+static inline bool mdt_hsm_is_released(struct lov_mds_md *lmm)
+{
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_mds_md *v1;
+ int i;
+
+ if (lmm->lmm_magic == LOV_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)lmm;
+
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ v1 = (struct lov_mds_md *)((char *)comp_v1 +
+ comp_v1->lcm_entries[i].lcme_offset);
+ /* We don't support partial release for now */
+ if (!(v1->lmm_pattern & LOV_PATTERN_F_RELEASED))
+ return false;
+ }
+ return true;
+ } else {
+ return (lmm->lmm_pattern & LOV_PATTERN_F_RELEASED) ?
+ true : false;
+ }
+}
+
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
const struct lu_attr *attr, const struct lu_fid *fid)
{
b->mbo_valid |= OBD_MD_FLGID;
}
+ if (attr->la_valid & LA_PROJID) {
+ /* TODO, nodemap for project id */
+ b->mbo_projid = attr->la_projid;
+ b->mbo_valid |= OBD_MD_FLPROJID;
+ }
+
b->mbo_mode = attr->la_mode;
if (attr->la_valid & LA_MODE)
b->mbo_valid |= OBD_MD_FLMODE;
/* if no object is allocated on osts, the size on mds is valid.
* b=22272 */
b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
- } else if ((ma->ma_valid & MA_LOV) && ma->ma_lmm != NULL &&
- ma->ma_lmm->lmm_pattern & LOV_PATTERN_F_RELEASED) {
- /* A released file stores its size on MDS. */
- /* But return 1 block for released file, unless tools like tar
- * will consider it fully sparse. (LU-3864)
- */
- if (unlikely(b->mbo_size == 0))
- b->mbo_blocks = 0;
- else
- b->mbo_blocks = 1;
- 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)) {
+ /* A released file stores its size on MDS. */
+ /* But return 1 block for released file, unless tools
+ * like tar will consider it fully sparse. (LU-3864)
+ */
+ if (unlikely(b->mbo_size == 0))
+ b->mbo_blocks = 0;
+ else
+ b->mbo_blocks = 1;
+ b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
+ } else if (info->mti_som_valid) { /* som is valid */
+ b->mbo_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
+ }
}
if (fid != NULL && (b->mbo_valid & OBD_MD_FLSIZE))
rc = mo_attr_get(env, next, ma);
if (rc)
GOTO(out, rc);
+
+ if (S_ISREG(mode))
+ (void) mdt_get_som(info, o, &ma->ma_attr);
ma->ma_valid |= MA_INODE;
}
struct lu_buf *buffer = &info->mti_buf;
struct obd_export *exp = info->mti_exp;
int rc;
- int is_root;
ENTRY;
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETATTR_PACK))
repbody->mbo_t_state = MS_RESTORE;
}
- is_root = lu_fid_eq(mdt_object_fid(o), &info->mti_mdt->mdt_md_root_fid);
-
- /* the Lustre protocol supposes to return default striping
- * on the user-visible root if explicitly requested */
- if ((ma->ma_valid & MA_LOV) == 0 && S_ISDIR(la->la_mode) &&
- (ma->ma_need & MA_LOV_DEF && is_root) && ma->ma_need & MA_LOV) {
- struct lu_fid rootfid;
- struct mdt_object *root;
- struct mdt_device *mdt = info->mti_mdt;
-
- rc = dt_root_get(env, mdt->mdt_bottom, &rootfid);
- if (rc)
- RETURN(rc);
- root = mdt_object_find(env, mdt, &rootfid);
- if (IS_ERR(root))
- RETURN(PTR_ERR(root));
- rc = mdt_stripe_get(info, root, ma, XATTR_NAME_LOV);
- mdt_object_put(info->mti_env, root);
- if (unlikely(rc)) {
- CERROR("%s: getattr error for "DFID": rc = %d\n",
- mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)), rc);
- RETURN(rc);
- }
- }
-
if (likely(ma->ma_valid & MA_INODE))
mdt_pack_attr2body(info, repbody, la, mdt_object_fid(o));
else
if (!mdt_is_striped_client(req->rq_export))
RETURN(-ENOTSUPP);
LASSERT(S_ISDIR(la->la_mode));
+ mdt_dump_lmv(D_INFO, ma->ma_lmv);
repbody->mbo_eadatasize = ma->ma_lmv_size;
repbody->mbo_valid |= (OBD_MD_FLDIREA |
OBD_MD_DEFAULT_MEA);
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER, rc);
+ /* 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. */
+ req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
+ LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
+
rc = req_capsule_server_pack(pill);
if (unlikely(rc != 0))
GOTO(out, rc = err_serious(rc));
}
/**
+ * Handler of layout intent RPC requiring the layout modification
+ *
+ * \param[in] info thread environment
+ * \param[in] obj object
+ * \param[in] layout layout change descriptor
+ *
+ * \retval 0 on success
+ * \retval < 0 error code
+ */
+static int mdt_layout_change(struct mdt_thread_info *info,
+ struct mdt_object *obj,
+ struct md_layout_change *layout)
+{
+ struct mdt_lock_handle *lh = &info->mti_lh[MDT_LH_LOCAL];
+ struct layout_intent *intent = layout->mlc_intent;
+ int rc;
+ ENTRY;
+
+ CDEBUG(D_INFO, "got layout change request from client: "
+ "opc:%u flags:%#x extent "DEXT"\n",
+ intent->li_opc, intent->li_flags, PEXT(&intent->li_extent));
+
+ if (intent->li_extent.e_start >= intent->li_extent.e_end) {
+ CERROR(DFID ":invalid range of layout change "DEXT"\n",
+ PFID(mdt_object_fid(obj)), PEXT(&intent->li_extent));
+ RETURN(-EINVAL);
+ }
+
+ if (!mdt_object_exists(obj))
+ GOTO(out, rc = -ENOENT);
+
+ if (!S_ISREG(lu_object_attr(&obj->mot_obj)))
+ GOTO(out, rc = -EINVAL);
+
+ rc = mo_permission(info->mti_env, NULL, mdt_object_child(obj), NULL,
+ MAY_WRITE);
+ if (rc)
+ GOTO(out, rc);
+
+ /* take layout lock to prepare layout change */
+ mdt_lock_reg_init(lh, LCK_EX);
+ rc = mdt_object_lock(info, obj, lh, MDS_INODELOCK_LAYOUT);
+ if (rc)
+ GOTO(out, rc);
+
+ rc = mo_layout_change(info->mti_env, mdt_object_child(obj), layout);
+
+ mdt_object_unlock(info, obj, lh, 1);
+out:
+ RETURN(rc);
+}
+
+/**
* Exchange MOF_LOV_CREATED flags between two objects after a
* layout swap. No assumption is made on whether o1 or o2 have
* created objects or not.
__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 mdt_lock_handle *lhp = NULL;
- struct ldlm_lock *lock;
- bool is_resent;
- bool try_layout;
- int ma_need = 0;
- int rc;
+ 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 mdt_lock_handle *lhp = NULL;
+ struct ldlm_lock *lock;
+ __u64 try_bits = 0;
+ bool is_resent;
+ int ma_need = 0;
+ int rc;
+
ENTRY;
is_resent = lustre_handle_is_used(&lhc->mlh_reg_lh);
if (rc < 0) {
GOTO(out_child, rc);
} else if (rc > 0) {
- mdt_lock_handle_init(lhc);
+ mdt_lock_handle_init(lhc);
mdt_lock_reg_init(lhc, LCK_PR);
- try_layout = false;
if (!(child_bits & MDS_INODELOCK_UPDATE) &&
mdt_object_exists(child) && !mdt_object_remote(child)) {
- struct md_attr *ma = &info->mti_attr;
+ struct md_attr *ma = &info->mti_attr;
- ma->ma_valid = 0;
- ma->ma_need = MA_INODE;
+ ma->ma_valid = 0;
+ ma->ma_need = MA_INODE;
rc = mdt_attr_get_complex(info, child, ma);
- if (unlikely(rc != 0))
- GOTO(out_child, rc);
+ if (unlikely(rc != 0))
+ GOTO(out_child, rc);
/* If the file has not been changed for some time, we
* return not only a LOOKUP lock, but also an UPDATE
/* layout lock must be granted in a best-effort way
* for IT operations */
LASSERT(!(child_bits & MDS_INODELOCK_LAYOUT));
- if (!OBD_FAIL_CHECK(OBD_FAIL_MDS_NO_LL_GETATTR) &&
- exp_connect_layout(info->mti_exp) &&
- S_ISREG(lu_object_attr(&child->mot_obj)) &&
+ if (S_ISREG(lu_object_attr(&child->mot_obj)) &&
!mdt_object_remote(child) && ldlm_rep != NULL) {
- /* try to grant layout lock for regular file. */
- try_layout = true;
+ if (!OBD_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;
+ }
+ /* Acquire DOM lock in advance for data-on-mdt file */
+ if (child != parent)
+ try_bits |= MDS_INODELOCK_DOM;
}
- rc = 0;
- if (try_layout) {
- child_bits |= MDS_INODELOCK_LAYOUT;
+ if (try_bits != 0) {
/* try layout lock, it may fail to be granted due to
* contention at LOOKUP or UPDATE */
- if (!mdt_object_lock_try(info, child, lhc,
- child_bits)) {
- child_bits &= ~MDS_INODELOCK_LAYOUT;
- LASSERT(child_bits != 0);
- rc = mdt_object_lock(info, child, lhc,
- child_bits);
- } else {
+ rc = mdt_object_lock_try(info, child, lhc, &child_bits,
+ try_bits, false);
+ 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 */
"Lock res_id: "DLDLMRES", fid: "DFID"\n",
PLDLMRES(lock->l_resource),
PFID(mdt_object_fid(child)));
+
+ if (S_ISREG(lu_object_attr(&child->mot_obj)) &&
+ mdt_object_exists(child) && !mdt_object_remote(child) &&
+ child != parent) {
+ LDLM_LOCK_PUT(lock);
+ mdt_object_put(info->mti_env, child);
+ /* NB: call the mdt_pack_size2body always after
+ * mdt_object_put(), that is why this speacial
+ * exit path is used. */
+ rc = mdt_pack_size2body(info, child_fid,
+ child_bits & MDS_INODELOCK_DOM);
+ if (rc != 0 && child_bits & MDS_INODELOCK_DOM) {
+ /* DOM lock was taken in advance but this is
+ * not DoM file. Drop the lock. */
+ lock_res_and_lock(lock);
+ ldlm_inodebits_drop(lock, MDS_INODELOCK_DOM);
+ unlock_res_and_lock(lock);
+ }
+
+ GOTO(out_parent, rc = 0);
+ }
}
if (lock)
LDLM_LOCK_PUT(lock);
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. */
+ 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);
+
rc = req_capsule_server_pack(pill);
if (rc != 0) {
CERROR("Can't pack response, rc %d\n", rc);
}
/* this should sync this object */
-static int mdt_object_sync(struct mdt_thread_info *info)
+static int mdt_object_sync(const struct lu_env *env, struct obd_export *exp,
+ struct mdt_object *mo)
{
- struct md_object *next;
int rc;
+
ENTRY;
- if (!mdt_object_exists(info->mti_object)) {
+ if (!mdt_object_exists(mo)) {
CWARN("%s: non existing object "DFID": rc = %d\n",
- mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(info->mti_object)), -ESTALE);
+ exp->exp_obd->obd_name, PFID(mdt_object_fid(mo)),
+ -ESTALE);
RETURN(-ESTALE);
}
- next = mdt_object_child(info->mti_object);
- rc = mo_object_sync(info->mti_env, next);
+
+ rc = mo_object_sync(env, mdt_object_child(mo));
RETURN(rc);
}
struct mdt_thread_info *info = tsi2mdt_info(tsi);
/* sync an object */
- rc = mdt_object_sync(info);
+ rc = mdt_object_sync(tsi->tsi_env, tsi->tsi_exp,
+ info->mti_object);
if (rc == 0) {
const struct lu_fid *fid;
struct lu_attr *la = &info->mti_attr.ma_attr;
RETURN(rc);
}
+static int mdt_data_sync(struct tgt_session_info *tsi)
+{
+ struct mdt_thread_info *info;
+ struct mdt_device *mdt = mdt_exp2dev(tsi->tsi_exp);
+ struct ost_body *body = tsi->tsi_ost_body;
+ struct ost_body *repbody;
+ struct mdt_object *mo = NULL;
+ struct md_attr *ma;
+ int rc = 0;
+
+ ENTRY;
+
+ 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 */
+ if (fid_is_zero(&tsi->tsi_fid))
+ RETURN(0);
+
+ mo = mdt_object_find(tsi->tsi_env, mdt, &tsi->tsi_fid);
+ if (IS_ERR(mo))
+ RETURN(PTR_ERR(mo));
+
+ rc = mdt_object_sync(tsi->tsi_env, tsi->tsi_exp, mo);
+ if (rc)
+ GOTO(put, rc);
+
+ repbody->oa.o_oi = body->oa.o_oi;
+ repbody->oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+
+ info = tsi2mdt_info(tsi);
+ ma = &info->mti_attr;
+ ma->ma_need = MA_INODE;
+ ma->ma_valid = 0;
+ rc = mdt_attr_get_complex(info, mo, ma);
+ if (rc == 0)
+ obdo_from_la(&repbody->oa, &ma->ma_attr, VALID_FLAGS);
+ else
+ rc = 0;
+ mdt_thread_info_fini(info);
+
+ EXIT;
+put:
+ if (mo != NULL)
+ mdt_object_put(tsi->tsi_env, mo);
+ return rc;
+}
+
/*
* Handle quota control requests to consult current usage/limit, but also
* to configure quota enforcement
}
id = oqctl->qc_id;
- if (oqctl->qc_type == USRQUOTA)
+ switch (oqctl->qc_type) {
+ case USRQUOTA:
id = nodemap_map_id(nodemap, NODEMAP_UID,
NODEMAP_CLIENT_TO_FS, id);
- else if (oqctl->qc_type == GRPQUOTA)
- id = nodemap_map_id(nodemap, NODEMAP_UID,
+ break;
+ case GRPQUOTA:
+ id = nodemap_map_id(nodemap, NODEMAP_GID,
NODEMAP_CLIENT_TO_FS, id);
-
+ break;
+ case PRJQUOTA:
+ /* todo: check/map project id */
+ id = oqctl->qc_id;
+ break;
+ default:
+ GOTO(out_nodemap, rc = -EOPNOTSUPP);
+ }
repoqc = req_capsule_server_get(pill, &RMF_OBD_QUOTACTL);
if (repoqc == 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);
+
if (oqctl->qc_id != id)
swap(oqctl->qc_id, id);
+ if (oqctl->qc_cmd == Q_SETINFO || oqctl->qc_cmd == Q_SETQUOTA) {
+ if (unlikely(!barrier_entry(tsi->tsi_tgt->lut_bottom)))
+ RETURN(-EINPROGRESS);
+ }
+
switch (oqctl->qc_cmd) {
case Q_GETINFO:
* \see ldlm_blocking_ast_nocheck
*/
int mdt_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
- void *data, int flag)
+ void *data, int flag)
{
- struct obd_device *obd = ldlm_lock_to_ns(lock)->ns_obd;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int rc;
- ENTRY;
+ struct obd_device *obd = ldlm_lock_to_ns(lock)->ns_obd;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ bool commit_async = false;
+ int rc;
+ ENTRY;
- if (flag == LDLM_CB_CANCELING)
- RETURN(0);
+ if (flag == LDLM_CB_CANCELING)
+ RETURN(0);
- lock_res_and_lock(lock);
- if (lock->l_blocking_ast != mdt_blocking_ast) {
- unlock_res_and_lock(lock);
- RETURN(0);
- }
+ lock_res_and_lock(lock);
+ if (lock->l_blocking_ast != mdt_blocking_ast) {
+ unlock_res_and_lock(lock);
+ RETURN(0);
+ }
+ /* There is no lock conflict if l_blocking_lock == NULL,
+ * it indicates a blocking ast sent from ldlm_lock_decref_internal
+ * when the last reference to a local lock was released */
if (lock->l_req_mode & (LCK_PW | LCK_EX) &&
lock->l_blocking_lock != NULL) {
- if (mdt_cos_is_enabled(mdt) &&
- lock->l_client_cookie !=
- lock->l_blocking_lock->l_client_cookie)
- mdt_set_lock_sync(lock);
- else if (mdt_slc_is_enabled(mdt) &&
- ldlm_is_cos_incompat(lock->l_blocking_lock))
+ if (mdt_cos_is_enabled(mdt)) {
+ if (lock->l_client_cookie !=
+ lock->l_blocking_lock->l_client_cookie)
+ mdt_set_lock_sync(lock);
+ } else if (mdt_slc_is_enabled(mdt) &&
+ ldlm_is_cos_incompat(lock->l_blocking_lock)) {
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).
+ */
+ commit_async = true;
+ }
+ } else if (lock->l_req_mode == LCK_COS &&
+ lock->l_blocking_lock != NULL) {
+ commit_async = true;
}
- rc = ldlm_blocking_ast_nocheck(lock);
- /* There is no lock conflict if l_blocking_lock == NULL,
- * it indicates a blocking ast sent from ldlm_lock_decref_internal
- * when the last reference to a local lock was released */
- if (lock->l_req_mode == LCK_COS && lock->l_blocking_lock != NULL) {
- struct lu_env env;
+ rc = ldlm_blocking_ast_nocheck(lock);
+
+ if (commit_async) {
+ struct lu_env env;
rc = lu_env_init(&env, LCT_LOCAL);
if (unlikely(rc != 0))
CWARN("%s: lu_env initialization failed, cannot "
"start asynchronous commit: rc = %d\n",
obd->obd_name, rc);
- else
- mdt_device_commit_async(&env, mdt);
- lu_env_fini(&env);
- }
- RETURN(rc);
+ else
+ mdt_device_commit_async(&env, mdt);
+ lu_env_fini(&env);
+ }
+ RETURN(rc);
}
/*
return 1;
}
-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 nonblock,
- bool cache)
+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)
{
struct ldlm_enqueue_info *einfo = &mti->mti_einfo;
union ldlm_policy_data *policy = &mti->mti_policy;
einfo->ei_cb_cp = ldlm_completion_ast;
einfo->ei_enq_slave = 0;
einfo->ei_res_id = res_id;
- if (nonblock)
- einfo->ei_nonblock = 1;
+
if (cache) {
/*
* if we cache lock, couple lock with mdt_object, so that object
einfo->ei_cbdata = o;
}
+
memset(policy, 0, sizeof(*policy));
- policy->l_inodebits.bits = ibits;
+ policy->l_inodebits.bits = *ibits;
+ policy->l_inodebits.try_bits = trybits;
rc = mo_object_lock(mti->mti_env, mdt_object_child(o), lh, einfo,
policy);
mdt_object_put(mti->mti_env, o);
einfo->ei_cbdata = NULL;
}
+
+ /* 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);
+ }
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);
+}
+
static int mdt_object_local_lock(struct mdt_thread_info *info,
struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits,
- bool nonblock, bool cos_incompat)
+ struct mdt_lock_handle *lh, __u64 *ibits,
+ __u64 trybits, bool cos_incompat)
{
struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
union ldlm_policy_data *policy = &info->mti_policy;
}
/* Only enqueue LOOKUP lock for remote object */
- if (mdt_object_remote(o))
- LASSERT(ibits == MDS_INODELOCK_LOOKUP);
+ if (mdt_object_remote(o)) {
+ LASSERT(*ibits == MDS_INODELOCK_LOOKUP);
+ }
if (lh->mlh_type == MDT_PDO_LOCK) {
/* check for exists after object is locked */
/* Non-dir object shouldn't have PDO lock */
if (!S_ISDIR(lu_object_attr(&o->mot_obj)))
RETURN(-ENOTDIR);
- }
- }
+ }
+ }
- memset(policy, 0, sizeof(*policy));
- fid_build_reg_res_name(mdt_object_fid(o), res_id);
+ fid_build_reg_res_name(mdt_object_fid(o), res_id);
dlmflags |= LDLM_FL_ATOMIC_CB;
- if (nonblock)
- dlmflags |= LDLM_FL_BLOCK_NOWAIT;
- /*
- * 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 = MDS_INODELOCK_UPDATE;
+ /*
+ * 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 = MDS_INODELOCK_UPDATE;
+ policy->l_inodebits.try_bits = 0;
rc = mdt_fid_lock(ns, &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
policy, res_id, dlmflags,
info->mti_exp == NULL ? NULL :
res_id->name[LUSTRE_RES_ID_HSH_OFF] = lh->mlh_pdo_hash;
}
- policy->l_inodebits.bits = ibits;
+ policy->l_inodebits.bits = *ibits;
+ policy->l_inodebits.try_bits = trybits;
/*
* Use LDLM_FL_LOCAL_ONLY for this lock. We do not know yet if it is
(lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX))
OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_PDO_LOCK, 15);
+ /* Return successfully acquired bits to a caller */
+ if (rc == 0) {
+ struct ldlm_lock *lock = ldlm_handle2lock(&lh->mlh_reg_lh);
+
+ LASSERT(lock);
+ *ibits = lock->l_policy_data.l_inodebits.bits;
+ LDLM_LOCK_PUT(lock);
+ }
RETURN(rc);
}
static int
mdt_object_lock_internal(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits, bool nonblock,
- bool cos_incompat)
+ struct mdt_lock_handle *lh, __u64 *ibits,
+ __u64 trybits, bool cos_incompat)
{
struct mdt_lock_handle *local_lh = NULL;
int rc;
ENTRY;
if (!mdt_object_remote(o)) {
- rc = mdt_object_local_lock(info, o, lh, ibits, nonblock,
+ 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);
+ *ibits &= ~(MDS_INODELOCK_PERM | MDS_INODELOCK_LAYOUT |
+ MDS_INODELOCK_XATTR);
/* Only enqueue LOOKUP lock for remote object */
- if (ibits & MDS_INODELOCK_LOOKUP) {
- rc = mdt_object_local_lock(info, o, lh, MDS_INODELOCK_LOOKUP,
- nonblock, cos_incompat);
+ if (*ibits & MDS_INODELOCK_LOOKUP) {
+ __u64 local = MDS_INODELOCK_LOOKUP;
+
+ rc = mdt_object_local_lock(info, o, lh, &local, 0,
+ cos_incompat);
if (rc != ELDLM_OK)
RETURN(rc);
local_lh = lh;
}
- if (ibits & MDS_INODELOCK_UPDATE) {
+ 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
lh->mlh_rreg_mode = LCK_EX;
lh->mlh_type = MDT_REG_LOCK;
}
- rc = mdt_remote_object_lock(info, o, mdt_object_fid(o),
- &lh->mlh_rreg_lh,
- lh->mlh_rreg_mode,
- MDS_INODELOCK_UPDATE, nonblock,
- false);
+
+ 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);
int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
struct mdt_lock_handle *lh, __u64 ibits)
{
- return mdt_object_lock_internal(info, o, lh, ibits, false, false);
+ return mdt_object_lock_internal(info, o, lh, &ibits, 0, false);
}
int mdt_reint_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
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, false,
+ return mdt_object_lock_internal(info, o, lh, &ibits, 0,
cos_incompat);
}
int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits)
+ struct mdt_lock_handle *lh, __u64 *ibits,
+ __u64 trybits, bool cos_incompat)
{
- struct mdt_lock_handle tmp = *lh;
- int rc;
-
- rc = mdt_object_lock_internal(info, o, &tmp, ibits, true, false);
- if (rc == 0)
- *lh = tmp;
-
- return rc == 0;
-}
-
-int mdt_reint_object_lock_try(struct mdt_thread_info *info,
- struct mdt_object *o, struct mdt_lock_handle *lh,
- __u64 ibits, bool cos_incompat)
-{
- struct mdt_lock_handle tmp = *lh;
- int rc;
-
- LASSERT(lh->mlh_reg_mode == LCK_PW || lh->mlh_reg_mode == LCK_EX);
- rc = mdt_object_lock_internal(info, o, &tmp, ibits, true, cos_incompat);
- if (rc == 0)
- *lh = tmp;
-
- return rc == 0;
+ return mdt_object_lock_internal(info, o, lh, ibits, trybits,
+ cos_incompat);
}
/**
* \param mode lock mode
* \param decref force immediate lock releasing
*/
-static void mdt_save_lock(struct mdt_thread_info *info, struct lustre_handle *h,
- enum ldlm_mode mode, int decref)
+void mdt_save_lock(struct mdt_thread_info *info, struct lustre_handle *h,
+ enum ldlm_mode mode, int decref)
{
ENTRY;
struct mdt_device *mdt = info->mti_mdt;
struct ldlm_lock *lock = ldlm_handle2lock(h);
struct ptlrpc_request *req = mdt_info_req(info);
- int cos;
-
- cos = (mdt_cos_is_enabled(mdt) ||
- mdt_slc_is_enabled(mdt));
+ bool cos = mdt_cos_is_enabled(mdt);
+ bool convert_lock = !cos && mdt_slc_is_enabled(mdt);
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() */
if (likely(req != NULL)) {
- CDEBUG(D_HA, "request = %p reply state = %p"
- " transno = %lld\n", req,
- req->rq_reply_state, req->rq_transno);
+ LDLM_DEBUG(lock, "save lock request %p reply "
+ "state %p transno %lld\n", req,
+ req->rq_reply_state, req->rq_transno);
if (cos) {
ldlm_lock_downgrade(lock, LCK_COS);
mode = LCK_COS;
}
- ptlrpc_save_lock(req, h, mode, cos);
+ if (req->rq_export->exp_disconnected)
+ mdt_fid_unlock(h, mode);
+ else
+ ptlrpc_save_lock(req, h, mode, cos,
+ convert_lock);
} else {
mdt_fid_unlock(h, mode);
}
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. */
+ 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);
+
rc = req_capsule_server_pack(pill);
}
RETURN(rc);
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_spec.no_create = 0;
info->mti_spec.sp_rm_entry = 0;
MDT_IT_GETXATTR,
MDT_IT_LAYOUT,
MDT_IT_QUOTA,
- MDT_IT_NR
+ MDT_IT_GLIMPSE,
+ MDT_IT_BRW,
+ MDT_IT_NR
};
static int mdt_intent_getattr(enum mdt_it_code opcode,
- struct mdt_thread_info *info,
- struct ldlm_lock **,
- __u64);
+ struct mdt_thread_info *info,
+ struct ldlm_lock **, __u64);
static int mdt_intent_getxattr(enum mdt_it_code opcode,
struct mdt_thread_info *info,
struct mdt_thread_info *info,
struct ldlm_lock **,
__u64);
+static int mdt_intent_glimpse(enum mdt_it_code opcode,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp, __u64 flags)
+{
+ return mdt_glimpse_enqueue(info, info->mti_mdt->mdt_namespace,
+ lockp, flags);
+}
+static int mdt_intent_brw(enum mdt_it_code opcode,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp, __u64 flags)
+{
+ return mdt_brw_enqueue(info, info->mti_mdt->mdt_namespace,
+ lockp, flags);
+}
static struct mdt_it_flavor {
const struct req_format *it_fmt;
.it_fmt = &RQF_LDLM_INTENT_LAYOUT,
.it_flags = 0,
.it_act = mdt_intent_layout
- }
+ },
+ [MDT_IT_GLIMPSE] = {
+ .it_fmt = &RQF_LDLM_INTENT,
+ .it_flags = 0,
+ .it_act = mdt_intent_glimpse,
+ },
+ [MDT_IT_BRW] = {
+ .it_fmt = &RQF_LDLM_INTENT,
+ .it_flags = 0,
+ .it_act = mdt_intent_brw,
+ },
+
};
-static int
-mdt_intent_lock_replace(struct mdt_thread_info *info,
- struct ldlm_lock **lockp,
- struct mdt_lock_handle *lh,
- __u64 flags, int result)
+int mdt_intent_lock_replace(struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ struct mdt_lock_handle *lh,
+ __u64 flags, int result)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct ldlm_lock *lock = *lockp;
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;
RETURN(ELDLM_LOCK_REPLACED);
}
-static void mdt_intent_fixup_resent(struct mdt_thread_info *info,
- struct ldlm_lock *new_lock,
- struct mdt_lock_handle *lh,
- __u64 flags)
+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;
__u64 flags)
{
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_LAYOUT];
- struct layout_intent *layout;
+ struct md_layout_change layout = { .mlc_opc = MD_LAYOUT_NOP };
+ struct layout_intent *intent;
struct lu_fid *fid;
struct mdt_object *obj = NULL;
int layout_size = 0;
RETURN(-EINVAL);
}
- layout = req_capsule_client_get(info->mti_pill, &RMF_LAYOUT_INTENT);
- if (layout == NULL)
+ intent = req_capsule_client_get(info->mti_pill, &RMF_LAYOUT_INTENT);
+ if (intent == NULL)
RETURN(-EPROTO);
- if (layout->li_opc != LAYOUT_INTENT_ACCESS) {
+ switch (intent->li_opc) {
+ case LAYOUT_INTENT_TRUNC:
+ case LAYOUT_INTENT_WRITE:
+ layout.mlc_opc = MD_LAYOUT_WRITE;
+ layout.mlc_intent = intent;
+ break;
+ case LAYOUT_INTENT_ACCESS:
+ break;
+ case LAYOUT_INTENT_READ:
+ case LAYOUT_INTENT_GLIMPSE:
+ case LAYOUT_INTENT_RELEASE:
+ case LAYOUT_INTENT_RESTORE:
CERROR("%s: Unsupported layout intent opc %d\n",
- mdt_obd_name(info->mti_mdt), layout->li_opc);
- RETURN(-EINVAL);
+ mdt_obd_name(info->mti_mdt), intent->li_opc);
+ rc = -ENOTSUPP;
+ break;
+ default:
+ CERROR("%s: Unknown layout intent opc %d\n",
+ mdt_obd_name(info->mti_mdt), intent->li_opc);
+ rc = -EINVAL;
+ break;
}
+ if (rc < 0)
+ RETURN(rc);
fid = &info->mti_tmp_fid2;
fid_extract_from_res_name(fid, &(*lockp)->l_resource->lr_name);
info->mti_mdt->mdt_max_mdsize = layout_size;
}
+ /*
+ * set reply buffer size, so that ldlm_handle_enqueue0()->
+ * ldlm_lvbo_fill() will fill the reply buffer with lovea.
+ */
(*lockp)->l_lvb_type = LVB_T_LAYOUT;
req_capsule_set_size(info->mti_pill, &RMF_DLM_LVB, RCL_SERVER,
layout_size);
rc = req_capsule_server_pack(info->mti_pill);
- GOTO(out_obj, rc);
+ if (rc)
+ GOTO(out_obj, rc);
+
+
+ if (layout.mlc_opc != MD_LAYOUT_NOP) {
+ struct lu_buf *buf = &layout.mlc_buf;
+
+ /**
+ * mdt_layout_change is a reint operation, when the request
+ * is resent, layout write shouldn't reprocess it again.
+ */
+ rc = mdt_check_resent(info, mdt_reconstruct_generic, lhc);
+ if (rc)
+ GOTO(out_obj, rc = rc < 0 ? rc : 0);
+
+ /**
+ * There is another resent case: the client's job has been
+ * done by another client, referring lod_declare_layout_change
+ * -EALREADY case, and it became a operation w/o transaction,
+ * so we should not do the layout change, otherwise
+ * mdt_layout_change() will try to cancel the granted server
+ * CR lock whose remote counterpart is still in hold on the
+ * client, and a deadlock ensues.
+ */
+ rc = mdt_check_resent_lock(info, obj, lhc);
+ if (rc <= 0)
+ GOTO(out_obj, rc);
+
+ buf->lb_buf = NULL;
+ buf->lb_len = 0;
+ if (unlikely(req_is_replay(mdt_info_req(info)))) {
+ buf->lb_buf = req_capsule_client_get(info->mti_pill,
+ &RMF_EADATA);
+ buf->lb_len = req_capsule_get_size(info->mti_pill,
+ &RMF_EADATA, RCL_CLIENT);
+ /*
+ * If it's a replay of layout write intent RPC, the
+ * client has saved the extended lovea when
+ * it get reply then.
+ */
+ if (buf->lb_len > 0)
+ mdt_fix_lov_magic(info, buf->lb_buf);
+ }
+ /*
+ * Instantiate some layout components, if @buf contains
+ * lovea, then it's a replay of the layout intent write
+ * RPC.
+ */
+ rc = mdt_layout_change(info, obj, &layout);
+ if (rc)
+ GOTO(out_obj, rc);
+ }
out_obj:
mdt_object_put(info->mti_env, obj);
case IT_QUOTA_CONN:
rc = MDT_IT_QUOTA;
break;
+ case IT_GLIMPSE:
+ rc = MDT_IT_GLIMPSE;
+ break;
+ case IT_BRW:
+ rc = MDT_IT_BRW;
+ break;
default:
CERROR("Unknown intent opcode: 0x%08x\n", itcode);
rc = -EINVAL;
if (qmt == NULL)
RETURN(-EOPNOTSUPP);
+ if (mdt_rdonly(req->rq_export))
+ RETURN(-EROFS);
+
(*lockp)->l_lvb_type = LVB_T_LQUOTA;
/* pass the request to quota master */
rc = qmt_hdls.qmth_intent_policy(info->mti_env, qmt,
if (rc < 0)
RETURN(rc);
- if (flv->it_flags & MUTABOR &&
- exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
+ if (flv->it_flags & MUTABOR && mdt_rdonly(req->rq_export))
RETURN(-EROFS);
if (flv->it_act != NULL) {
RETURN(rc);
}
+static void mdt_ptlrpc_stats_update(struct ptlrpc_request *req,
+ enum ldlm_intent_flags it_opc)
+{
+ struct lprocfs_stats *srv_stats = ptlrpc_req2svc(req)->srv_stats;
+
+ /* update stats when IT code is known */
+ if (srv_stats != NULL)
+ lprocfs_counter_incr(srv_stats,
+ PTLRPC_LAST_CNTR + (it_opc == IT_GLIMPSE ?
+ LDLM_GLIMPSE_ENQUEUE : LDLM_IBITS_ENQUEUE));
+}
+
static int mdt_intent_policy(struct ldlm_namespace *ns,
struct ldlm_lock **lockp, void *req_cookie,
enum ldlm_mode mode, __u64 flags, void *data)
struct ptlrpc_request *req = req_cookie;
struct ldlm_intent *it;
struct req_capsule *pill;
+ const struct ldlm_lock_desc *ldesc;
int rc;
ENTRY;
tsi = tgt_ses_info(req->rq_svc_thread->t_env);
info = tsi2mdt_info(tsi);
- LASSERT(info != NULL);
- pill = info->mti_pill;
- LASSERT(pill->rc_req == req);
+ LASSERT(info != NULL);
+ 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) {
+ if (req->rq_reqmsg->lm_bufcount > DLM_INTENT_IT_OFF) {
req_capsule_extend(pill, &RQF_LDLM_INTENT_BASIC);
- it = req_capsule_client_get(pill, &RMF_LDLM_INTENT);
- if (it != NULL) {
- rc = mdt_intent_opc(it->opc, info, lockp, flags);
- if (rc == 0)
- rc = ELDLM_OK;
-
- /* Lock without inodebits makes no sense and will oops
- * 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. */
- LASSERT(ergo(info->mti_dlm_req->lock_desc.l_resource.\
- lr_type == LDLM_IBITS,
- info->mti_dlm_req->lock_desc.\
- l_policy_data.l_inodebits.bits != 0));
- } else
- rc = err_serious(-EFAULT);
- } else {
- /* No intent was provided */
- LASSERT(pill->rc_fmt == &RQF_LDLM_ENQUEUE);
+ it = req_capsule_client_get(pill, &RMF_LDLM_INTENT);
+ if (it != NULL) {
+ mdt_ptlrpc_stats_update(req, it->opc);
+ rc = mdt_intent_opc(it->opc, info, lockp, flags);
+ if (rc == 0)
+ rc = ELDLM_OK;
+
+ /* Lock without inodebits makes no sense and will oops
+ * 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. */
+ LASSERT(ergo(ldesc->l_resource.lr_type == LDLM_IBITS,
+ ldesc->l_policy_data.l_inodebits.bits != 0));
+ } else {
+ rc = err_serious(-EFAULT);
+ }
+ } else {
+ /* No intent was provided */
req_capsule_set_size(pill, &RMF_DLM_LVB, RCL_SERVER, 0);
- rc = req_capsule_server_pack(pill);
- if (rc)
- rc = err_serious(rc);
- }
+ rc = req_capsule_server_pack(pill);
+ if (rc)
+ rc = err_serious(rc);
+ }
mdt_thread_info_fini(info);
RETURN(rc);
}
* 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);
- lcfg = lustre_cfg_new(LCFG_PRE_CLEANUP, bufs);
- if (lcfg == NULL)
+ OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
+ if (!lcfg)
RETURN_EXIT;
+ lustre_cfg_init(lcfg, LCFG_PRE_CLEANUP, bufs);
top->ld_ops->ldo_process_config(env, top, lcfg);
- lustre_cfg_free(lcfg);
+ OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
EXIT;
}
if (obd->obd_fail)
strcat(flags, "A");
lustre_cfg_bufs_set_string(bufs, 1, flags);
- lcfg = lustre_cfg_new(LCFG_CLEANUP, bufs);
- if (lcfg == NULL)
+ OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
+ if (!lcfg)
RETURN_EXIT;
+ lustre_cfg_init(lcfg, LCFG_CLEANUP, bufs);
LASSERT(top);
top->ld_ops->ldo_process_config(env, top, lcfg);
- lustre_cfg_free(lcfg);
+ OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
lu_site_purge(env, top->ld_site, -1);
lustre_cfg_bufs_set_string(bufs, 2, uuid);
lustre_cfg_bufs_set_string(bufs, 3, lprof->lp_dt);
- lcfg = lustre_cfg_new(LCFG_ATTACH, bufs);
- if (lcfg == NULL)
+ OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
+ if (!lcfg)
GOTO(put_profile, rc = -ENOMEM);
+ lustre_cfg_init(lcfg, LCFG_ATTACH, bufs);
rc = class_attach(lcfg);
if (rc)
GOTO(lcfg_cleanup, rc = -EINVAL);
}
- lustre_cfg_free(lcfg);
+ OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
lustre_cfg_bufs_reset(bufs, name);
lustre_cfg_bufs_set_string(bufs, 1, uuid);
lustre_cfg_bufs_set_string(bufs, 2, dev);
lustre_cfg_bufs_set_string(bufs, 3, lprof->lp_dt);
- lcfg = lustre_cfg_new(LCFG_SETUP, bufs);
- if (lcfg == NULL)
+ OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
+ if (!lcfg)
GOTO(class_detach, rc = -ENOMEM);
+ lustre_cfg_init(lcfg, LCFG_SETUP, bufs);
rc = class_setup(obd, lcfg);
if (rc)
if (rc)
class_detach(obd, lcfg);
lcfg_cleanup:
- lustre_cfg_free(lcfg);
+ OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
put_profile:
class_put_profile(lprof);
free_bufs:
lustre_cfg_bufs_set_string(bufs, 2, uuid);
lustre_cfg_bufs_set_string(bufs, 3, lprof->lp_dt);
- lcfg = lustre_cfg_new(LCFG_ATTACH, bufs);
- if (lcfg == NULL)
+ OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
+ if (!lcfg)
GOTO(put_profile, rc = -ENOMEM);
+ lustre_cfg_init(lcfg, LCFG_ATTACH, bufs);
rc = class_attach(lcfg);
if (rc)
GOTO(lcfg_cleanup, rc = -EINVAL);
}
- lustre_cfg_free(lcfg);
+ OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
lustre_cfg_bufs_reset(bufs, qmtname);
lustre_cfg_bufs_set_string(bufs, 1, uuid);
lustre_cfg_bufs_set_string(bufs, 3,
mdt->mdt_bottom->dd_lu_dev.ld_obd->obd_name);
- lcfg = lustre_cfg_new(LCFG_SETUP, bufs);
- if (lcfg == NULL)
+ OBD_ALLOC(lcfg, lustre_cfg_len(bufs->lcfg_bufcount, bufs->lcfg_buflen));
+ if (!lcfg)
GOTO(class_detach, rc = -ENOMEM);
+ lustre_cfg_init(lcfg, LCFG_SETUP, bufs);
rc = class_setup(obd, lcfg);
if (rc)
if (rc)
class_detach(obd, lcfg);
lcfg_cleanup:
- lustre_cfg_free(lcfg);
+ OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
put_profile:
class_put_profile(lprof);
cleanup_mem:
return rc;
}
+#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
+#define OST_BRW_WRITE OST_WRITE
+
static struct tgt_handler mdt_tgt_handlers[] = {
TGT_RPC_HANDLER(MDS_FIRST_OPC,
0, MDS_CONNECT, mdt_tgt_connect,
mdt_swap_layouts),
};
+static struct tgt_handler mdt_io_ops[] = {
+TGT_OST_HDL(HABEO_CORPUS | HABEO_REFERO, OST_BRW_READ, tgt_brw_read),
+TGT_OST_HDL(HABEO_CORPUS | MUTABOR, OST_BRW_WRITE, tgt_brw_write),
+TGT_OST_HDL(HABEO_CORPUS | HABEO_REFERO | MUTABOR,
+ OST_PUNCH, mdt_punch_hdl),
+TGT_OST_HDL(HABEO_CORPUS | HABEO_REFERO, OST_SYNC, mdt_data_sync),
+};
+
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),
.tos_opc_end = LFSCK_LAST_OPC,
.tos_hs = tgt_lfsck_handlers
},
-
+ {
+ .tos_opc_start = OST_FIRST_OPC,
+ .tos_opc_end = OST_LAST_OPC,
+ .tos_hs = mdt_io_ops
+ },
{
.tos_hs = NULL
}
static void mdt_fini(const struct lu_env *env, struct mdt_device *m)
{
- struct md_device *next = m->mdt_child;
- struct lu_device *d = &m->mdt_lu_dev;
- struct obd_device *obd = mdt2obd_dev(m);
- struct lfsck_stop stop;
- ENTRY;
+ struct md_device *next = m->mdt_child;
+ struct lu_device *d = &m->mdt_lu_dev;
+ struct obd_device *obd = mdt2obd_dev(m);
+ struct lfsck_stop stop;
+ ENTRY;
stop.ls_status = LS_PAUSED;
stop.ls_flags = 0;
next->md_ops->mdo_iocontrol(env, next, OBD_IOC_STOP_LFSCK, 0, &stop);
mdt_stack_pre_fini(env, m, md2lu_dev(m->mdt_child));
ping_evictor_stop();
- if (m->mdt_opts.mo_coordinator)
- mdt_hsm_cdt_stop(m);
-
- mdt_hsm_cdt_fini(m);
+ /* Remove the HSM /proc entry so the coordinator cannot be
+ * restarted by a user while it's shutting down. */
+ hsm_cdt_procfs_fini(m);
+ mdt_hsm_cdt_stop(m);
mdt_llog_ctxt_unclone(env, m, LLOG_AGENT_ORIG_CTXT);
- mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
+ mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
if (m->mdt_namespace != NULL)
ldlm_namespace_free_prior(m->mdt_namespace, NULL,
d->ld_obd->obd_force);
- obd_exports_barrier(obd);
- obd_zombie_barrier();
+ obd_exports_barrier(obd);
+ obd_zombie_barrier();
+
+ mdt_quota_fini(env, m);
+
+ cfs_free_nidlist(&m->mdt_squash.rsi_nosquash_nids);
+
+ /* Calling the cleanup functions in the same order as in the mdt_init0
+ * error path
+ */
+ mdt_procfs_fini(m);
- mdt_procfs_fini(m);
+ target_recovery_fini(obd);
+ upcall_cache_cleanup(m->mdt_identity_cache);
+ m->mdt_identity_cache = NULL;
- tgt_fini(env, &m->mdt_lut);
- mdt_fs_cleanup(env, m);
- 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);
if (m->mdt_namespace != NULL) {
ldlm_namespace_free_post(m->mdt_namespace);
m->mdt_md_root = NULL;
}
- mdt_quota_fini(env, m);
-
- cfs_free_nidlist(&m->mdt_squash.rsi_nosquash_nids);
+ mdt_seq_fini(env, m);
- mdt_seq_fini(env, m);
- mdt_fld_fini(env, m);
+ mdt_fld_fini(env, m);
/*
* Finish the stack
static int mdt_postrecov(const struct lu_env *, struct mdt_device *);
static int mdt_init0(const struct lu_env *env, struct mdt_device *m,
- struct lu_device_type *ldt, struct lustre_cfg *cfg)
-{
- struct mdt_thread_info *info;
- struct obd_device *obd;
- const char *dev = lustre_cfg_string(cfg, 0);
- const char *num = lustre_cfg_string(cfg, 2);
- struct lustre_mount_info *lmi = NULL;
- struct lustre_sb_info *lsi;
- struct lu_site *s;
- struct seq_server_site *ss_site;
- const char *identity_upcall = "NONE";
- struct md_device *next;
- int rc;
- long node_id;
- mntopt_t mntopts;
- ENTRY;
+ struct lu_device_type *ldt, struct lustre_cfg *cfg)
+{
+ const struct dt_device_param *dt_conf;
+ struct mdt_thread_info *info;
+ struct obd_device *obd;
+ const char *dev = lustre_cfg_string(cfg, 0);
+ const char *num = lustre_cfg_string(cfg, 2);
+ struct tg_grants_data *tgd = &m->mdt_lut.lut_tgd;
+ struct lustre_mount_info *lmi = NULL;
+ struct lustre_sb_info *lsi;
+ struct lu_site *s;
+ struct seq_server_site *ss_site;
+ const char *identity_upcall = "NONE";
+ struct md_device *next;
+ int rc;
+ long node_id;
+ mntopt_t mntopts;
+ ENTRY;
lu_device_init(&m->mdt_lu_dev, ldt);
- /*
- * Environment (env) might be missing mdt_thread_key values at that
- * point, if device is allocated when mdt_thread_key is in QUIESCENT
- * mode.
- *
- * Usually device allocation path doesn't use module key values, but
- * mdt has to do a lot of work here, so allocate key value.
- */
- rc = lu_env_refill((struct lu_env *)env);
- if (rc != 0)
- RETURN(rc);
+ /*
+ * Environment (env) might be missing mdt_thread_key values at that
+ * point, if device is allocated when mdt_thread_key is in QUIESCENT
+ * mode.
+ *
+ * Usually device allocation path doesn't use module key values, but
+ * mdt has to do a lot of work here, so allocate key value.
+ */
+ rc = lu_env_refill((struct lu_env *)env);
+ if (rc != 0)
+ RETURN(rc);
- info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- LASSERT(info != NULL);
+ info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
+ LASSERT(info != NULL);
- obd = class_name2obd(dev);
- LASSERT(obd != NULL);
+ obd = class_name2obd(dev);
+ LASSERT(obd != NULL);
- m->mdt_max_mdsize = MAX_MD_SIZE; /* 4 stripes */
+ m->mdt_max_mdsize = MAX_MD_SIZE; /* 4 stripes */
m->mdt_opts.mo_evict_tgt_nids = 1;
- m->mdt_opts.mo_cos = MDT_COS_DEFAULT;
-
- /* default is coordinator off, it is started through conf_param
- * or /proc */
- m->mdt_opts.mo_coordinator = 0;
+ m->mdt_opts.mo_cos = MDT_COS_DEFAULT;
lmi = server_get_mount(dev);
- if (lmi == NULL) {
- CERROR("Cannot get mount info for %s!\n", dev);
- RETURN(-EFAULT);
- } else {
- lsi = s2lsi(lmi->lmi_sb);
- /* CMD is supported only in IAM mode */
- LASSERT(num);
- node_id = simple_strtol(num, NULL, 10);
+ if (lmi == NULL) {
+ CERROR("Cannot get mount info for %s!\n", dev);
+ RETURN(-EFAULT);
+ } else {
+ lsi = s2lsi(lmi->lmi_sb);
+ /* 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)
m->mdt_skip_lfsck = 1;
}
+ /* DoM files get IO lock at open by default */
+ m->mdt_opts.mo_dom_lock = 1;
+
m->mdt_squash.rsi_uid = 0;
m->mdt_squash.rsi_gid = 0;
INIT_LIST_HEAD(&m->mdt_squash.rsi_nosquash_nids);
init_rwsem(&m->mdt_squash.rsi_sem);
spin_lock_init(&m->mdt_lock);
- m->mdt_osfs_age = cfs_time_shift_64(-1000);
m->mdt_enable_remote_dir = 0;
m->mdt_enable_remote_dir_gid = 0;
s->ld_seq_site = ss_site;
ss_site->ss_lu = s;
- /* set server index */
+ /* set server index */
ss_site->ss_node_id = node_id;
/* 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;
+ 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);
snprintf(info->mti_u.ns_name, sizeof(info->mti_u.ns_name), "%s-%s",
LUSTRE_MDT_NAME, obd->obd_uuid.uuid);
- m->mdt_namespace = ldlm_namespace_new(obd, info->mti_u.ns_name,
- LDLM_NAMESPACE_SERVER,
- LDLM_NAMESPACE_GREEDY,
- LDLM_NS_TYPE_MDT);
- if (m->mdt_namespace == NULL)
- GOTO(err_fini_seq, rc = -ENOMEM);
+ m->mdt_namespace = ldlm_namespace_new(obd, info->mti_u.ns_name,
+ LDLM_NAMESPACE_SERVER,
+ LDLM_NAMESPACE_GREEDY,
+ LDLM_NS_TYPE_MDT);
+ if (m->mdt_namespace == NULL)
+ GOTO(err_fini_seq, rc = -ENOMEM);
m->mdt_namespace->ns_lvbp = m;
m->mdt_namespace->ns_lvbo = &mdt_lvbo;
- ldlm_register_intent(m->mdt_namespace, mdt_intent_policy);
- /* set obd_namespace for compatibility with old code */
- obd->obd_namespace = m->mdt_namespace;
+ ldlm_register_intent(m->mdt_namespace, mdt_intent_policy);
+ /* set obd_namespace for compatibility with old code */
+ obd->obd_namespace = m->mdt_namespace;
rc = mdt_hsm_cdt_init(m);
if (rc != 0) {
CERROR("%s: error initializing coordinator, rc %d\n",
mdt_obd_name(m), rc);
- GOTO(err_free_ns, rc);
+ GOTO(err_free_ns, rc);
}
rc = tgt_init(env, &m->mdt_lut, obd, m->mdt_bottom, mdt_common_slice,
if (rc)
GOTO(err_free_hsm, 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;
+
+ 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);
- tgt_adapt_sptlrpc_conf(&m->mdt_lut, 1);
+ tgt_adapt_sptlrpc_conf(&m->mdt_lut);
- next = m->mdt_child;
- rc = next->md_ops->mdo_iocontrol(env, next, OBD_IOC_GET_MNTOPT, 0,
- &mntopts);
- if (rc)
- GOTO(err_fs_cleanup, rc);
+ next = m->mdt_child;
+ dt_conf = next->md_ops->mdo_dtconf_get(env, next);
- if (mntopts & MNTOPT_USERXATTR)
- m->mdt_opts.mo_user_xattr = 1;
- else
- m->mdt_opts.mo_user_xattr = 0;
+ mntopts = dt_conf->ddp_mntopts;
- rc = next->md_ops->mdo_maxeasize_get(env, next, &m->mdt_max_ea_size);
- if (rc)
- GOTO(err_fs_cleanup, rc);
+ if (mntopts & MNTOPT_USERXATTR)
+ m->mdt_opts.mo_user_xattr = 1;
+ else
+ m->mdt_opts.mo_user_xattr = 0;
- if (mntopts & MNTOPT_ACL)
- m->mdt_opts.mo_acl = 1;
- else
- m->mdt_opts.mo_acl = 0;
+ m->mdt_max_ea_size = dt_conf->ddp_max_ea_size;
+
+ if (mntopts & MNTOPT_ACL)
+ m->mdt_opts.mo_acl = 1;
+ else
+ m->mdt_opts.mo_acl = 0;
/* XXX: to support suppgid for ACL, we enable identity_upcall
* by default, otherwise, maybe got unexpected -EACCESS. */
GOTO(err_fs_cleanup, rc);
}
- rc = mdt_procfs_init(m, dev);
- if (rc) {
- CERROR("Can't init MDT lprocfs, rc %d\n", rc);
- GOTO(err_recovery, rc);
- }
+ rc = mdt_procfs_init(m, dev);
+ if (rc) {
+ CERROR("Can't init MDT lprocfs, rc %d\n", rc);
+ GOTO(err_recovery, rc);
+ }
rc = mdt_quota_init(env, m, cfg);
if (rc)
* 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. */
- if (ldlm_timeout == LDLM_TIMEOUT_DEFAULT)
- ldlm_timeout = MDS_LDLM_TIMEOUT_DEFAULT;
+ /* 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. */
+ if (ldlm_timeout == LDLM_TIMEOUT_DEFAULT)
+ ldlm_timeout = MDS_LDLM_TIMEOUT_DEFAULT;
- RETURN(0);
+ RETURN(0);
err_procfs:
mdt_procfs_fini(m);
err_recovery:
cfg);
}
- if (old_cfg != NULL)
- lustre_cfg_free(cfg);
-
+ if (old_cfg)
+ OBD_FREE(cfg, lustre_cfg_len(cfg->lcfg_bufcount,
+ cfg->lcfg_buflens));
break;
}
default:
o->lo_ops = &mdt_obj_ops;
spin_lock_init(&mo->mot_write_lock);
mutex_init(&mo->mot_lov_mutex);
+ init_rwsem(&mo->mot_dom_sem);
init_rwsem(&mo->mot_open_sem);
+ atomic_set(&mo->mot_open_count, 0);
RETURN(o);
}
RETURN(NULL);
ENTRY;
if (KEY_IS(KEY_SPTLRPC_CONF)) {
- rc = tgt_adapt_sptlrpc_conf(class_exp2tgt(exp), 0);
+ rc = tgt_adapt_sptlrpc_conf(class_exp2tgt(exp));
RETURN(rc);
}
* \retval -EPROTO \a data unexpectedly has zero obd_connect_data::ocd_brw_size
* \retval -EBADE client and server feature requirements are incompatible
*/
-static int mdt_connect_internal(struct obd_export *exp,
+static int mdt_connect_internal(const struct lu_env *env,
+ struct obd_export *exp,
struct mdt_device *mdt,
- struct obd_connect_data *data)
+ struct obd_connect_data *data, bool reconnect)
{
LASSERT(data != NULL);
data->ocd_connect_flags &= MDT_CONNECT_SUPPORTED;
+ if (mdt->mdt_bottom->dd_rdonly &&
+ !(data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
+ !(data->ocd_connect_flags & OBD_CONNECT_RDONLY))
+ RETURN(-EACCES);
+
if (data->ocd_connect_flags & OBD_CONNECT_FLAGS2)
data->ocd_connect_flags2 &= MDT_CONNECT_SUPPORTED2;
if (!mdt->mdt_opts.mo_user_xattr)
data->ocd_connect_flags &= ~OBD_CONNECT_XATTR;
- if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
+ if (OCD_HAS_FLAG(data, BRW_SIZE)) {
data->ocd_brw_size = min(data->ocd_brw_size,
- (__u32)MD_MAX_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 is "
- "unexpectedly zero, network data "
- "corruption? Refusing connection of this"
- " client\n",
+ 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",
mdt_obd_name(mdt),
exp->exp_client_uuid.uuid,
exp, data->ocd_connect_flags, data->ocd_version,
}
}
+ if (OCD_HAS_FLAG(data, GRANT_PARAM)) {
+ struct dt_device_param *ddp = &mdt->mdt_lut.lut_dt_conf;
+
+ /* client is reporting its page size, for future use */
+ 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. */
+ 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;
+ data->ocd_grant_max_blks = ddp->ddp_max_extent_blks;
+ }
+
+ if (OCD_HAS_FLAG(data, GRANT)) {
+ /* Save connect_data we have so far because tgt_grant_connect()
+ * uses it to calculate grant. */
+ exp->exp_connect_data = *data;
+ tgt_grant_connect(env, exp, data, !reconnect);
+ }
+
+ if (OCD_HAS_FLAG(data, MAXBYTES))
+ data->ocd_maxbytes = mdt->mdt_lut.lut_dt_conf.ddp_maxbytes;
+
/* NB: Disregard the rule against updating
* exp_connect_data.ocd_connect_flags in this case, since
* tgt_client_new() needs to know if this is a lightweight
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 &= cksum_types_supported_server();
+
+ if (unlikely(data->ocd_cksum_types == 0)) {
+ 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),
+ 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",
+ exp->exp_obd->obd_name, obd_export_nid2str(exp));
+ }
+
return 0;
}
static int mdt_obd_disconnect(struct obd_export *exp)
{
- int rc;
- ENTRY;
+ int rc;
- LASSERT(exp);
- class_export_get(exp);
+ ENTRY;
+
+ LASSERT(exp);
+ class_export_get(exp);
+
+ if (!(exp->exp_flags & OBD_OPT_FORCE))
+ tgt_grant_sanity_check(exp->exp_obd, __func__);
if ((exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS) &&
!(exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT)) {
if (rc != 0)
CDEBUG(D_IOCTL, "server disconnect error: rc = %d\n", rc);
+ tgt_grant_discard(exp);
+
rc = mdt_export_cleanup(exp);
nodemap_del_member(exp);
class_export_put(exp);
if (rc != 0 && rc != -EEXIST)
GOTO(out, rc);
- rc = mdt_connect_internal(lexp, mdt, data);
+ rc = mdt_connect_internal(env, lexp, mdt, data, false);
if (rc == 0) {
struct lsd_client_data *lcd = lexp->exp_target_data.ted_lcd;
if (rc != 0 && rc != -EEXIST)
RETURN(rc);
- rc = mdt_connect_internal(exp, mdt_dev(obd->obd_lu_dev), data);
+ rc = mdt_connect_internal(env, exp, mdt_dev(obd->obd_lu_dev), data,
+ true);
if (rc == 0)
mdt_export_stats_init(obd, exp, localdata);
else
LASSERT(list_empty(&exp->exp_outstanding_replies));
LASSERT(list_empty(&exp->exp_mdt_data.med_open_head));
+ /*
+ * discard grants once we're sure no more
+ * interaction with the client is possible
+ */
+ 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--;
+
+ if (!(exp->exp_flags & OBD_OPT_FORCE))
+ tgt_grant_sanity_check(exp->exp_obd, __func__);
+
RETURN(0);
}
if (rc < 0)
return rc;
- return linkea_init(ldata);
+ return linkea_init_with_rec(ldata);
}
/**
lu_fid_eq(&mdt->mdt_md_root_fid, &fp->gf_fid))
GOTO(out, rc = -ENOENT);
- mdt_obj = mdt_object_find(info->mti_env, mdt, tmpfid);
- if (IS_ERR(mdt_obj))
- GOTO(out, rc = PTR_ERR(mdt_obj));
+ if (lu_fid_eq(mdt_object_fid(obj), tmpfid)) {
+ mdt_obj = obj;
+ mdt_object_get(info->mti_env, mdt_obj);
+ } else {
+ mdt_obj = mdt_object_find(info->mti_env, mdt, tmpfid);
+ if (IS_ERR(mdt_obj))
+ GOTO(out, rc = PTR_ERR(mdt_obj));
+ }
if (!mdt_object_exists(mdt_obj)) {
mdt_object_put(info->mti_env, mdt_obj);
RETURN(rc);
}
-/* Pass the ioc down */
-static int mdt_ioc_child(struct lu_env *env, struct mdt_device *mdt,
- unsigned int cmd, int len, void *data)
-{
- struct lu_context ioctl_session;
- struct md_device *next = mdt->mdt_child;
- int rc;
- ENTRY;
-
- rc = lu_context_init(&ioctl_session, LCT_SERVER_SESSION);
- if (rc)
- RETURN(rc);
- ioctl_session.lc_thread = (struct ptlrpc_thread *)current;
- lu_context_enter(&ioctl_session);
- env->le_ses = &ioctl_session;
-
- LASSERT(next->md_ops->mdo_iocontrol);
- rc = next->md_ops->mdo_iocontrol(env, next, cmd, len, data);
-
- lu_context_exit(&ioctl_session);
- lu_context_fini(&ioctl_session);
- RETURN(rc);
-}
-
static int mdt_ioc_version_get(struct mdt_thread_info *mti, void *karg)
{
struct obd_ioctl_data *data = karg;
case OBD_IOC_CHANGELOG_REG:
case OBD_IOC_CHANGELOG_DEREG:
case OBD_IOC_CHANGELOG_CLEAR:
- rc = mdt_ioc_child(&env, mdt, cmd, len, karg);
+ rc = mdt->mdt_child->md_ops->mdo_iocontrol(&env,
+ mdt->mdt_child,
+ cmd, len, karg);
break;
case OBD_IOC_START_LFSCK: {
struct md_device *next = mdt->mdt_child;
int rc;
ENTRY;
- if (!mdt->mdt_skip_lfsck) {
+ if (!mdt->mdt_skip_lfsck && !mdt->mdt_bottom->dd_rdonly) {
struct lfsck_start_param lsp;
lsp.lsp_start = NULL;
.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,
info->mti_big_lmm = NULL;
info->mti_big_lmmsize = 0;
}
+
+ if (info->mti_big_acl) {
+ OBD_FREE_LARGE(info->mti_big_acl, info->mti_big_aclsize);
+ info->mti_big_acl = NULL;
+ info->mti_big_aclsize = 0;
+ }
+
OBD_FREE_PTR(info);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff