* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2010, 2016, Intel Corporation.
+ * Copyright (c) 2010, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <dt_object.h>
#include <lustre_acl.h>
#include <lustre_export.h>
-#include <uapi/linux/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"
-
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");
};
static struct mdt_device *mdt_dev(struct lu_device *d);
-static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info, __u32 flags);
static const struct lu_object_operations mdt_obj_ops;
{
struct mdt_device *mdt = info->mti_mdt;
struct lu_name *lname = &info->mti_name;
- char *name = NULL;
+ char *filename = info->mti_filename;
struct mdt_object *parent;
u32 mode;
int rc = 0;
LASSERT(!info->mti_cross_ref);
- OBD_ALLOC(name, NAME_MAX + 1);
- if (name == NULL)
- return -ENOMEM;
- lname->ln_name = name;
-
/*
* We may want to allow this to mount a completely separate
* fileset from the MDT in the future, but keeping it to
break;
}
- strncpy(name, s1, lname->ln_namelen);
- name[lname->ln_namelen] = '\0';
+ strncpy(filename, s1, lname->ln_namelen);
+ filename[lname->ln_namelen] = '\0';
+ lname->ln_name = filename;
parent = mdt_object_find(info->mti_env, mdt, fid);
if (IS_ERR(parent)) {
}
}
- OBD_FREE(name, NAME_MAX + 1);
-
return rc;
}
static int mdt_statfs(struct tgt_session_info *tsi)
{
- 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 ptlrpc_service_part *svcpt;
- struct obd_statfs *osfs;
- int rc;
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
+ struct mdt_device *mdt = info->mti_mdt;
+ struct tg_grants_data *tgd = &mdt->mdt_lut.lut_tgd;
+ struct md_device *next = mdt->mdt_child;
+ struct ptlrpc_service_part *svcpt;
+ struct obd_statfs *osfs;
+ struct mdt_body *reqbody = NULL;
+ struct mdt_statfs_cache *msf;
+ int rc;
ENTRY;
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);
+ if (mdt_is_sum_statfs_client(req->rq_export) &&
+ lustre_packed_msg_size(req->rq_reqmsg) ==
+ req_capsule_fmt_size(req->rq_reqmsg->lm_magic,
+ &RQF_MDS_STATFS_NEW, RCL_CLIENT)) {
+ req_capsule_extend(info->mti_pill, &RQF_MDS_STATFS_NEW);
+ reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
}
+ if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
+ msf = &mdt->mdt_sum_osfs;
+ else
+ 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);
+ } else {
+ /** use cached statfs data */
+ spin_lock(&mdt->mdt_lock);
+ *osfs = msf->msf_osfs;
+ spin_unlock(&mdt->mdt_lock);
+ }
+
+ /* 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);
}
-#ifdef CONFIG_FS_POSIX_ACL
+/**
+ * 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;
+ bool dom_lock = false;
+
+ 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);
+
+ if (lustre_handle_is_used(lh)) {
+ struct ldlm_lock *lock;
+
+ lock = ldlm_handle2lock(lh);
+ if (lock != NULL) {
+ dom_lock = ldlm_has_dom(lock);
+ LDLM_LOCK_PUT(lock);
+ }
+ }
+
+ /* 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_LUSTRE_FS_POSIX_ACL
/*
* Pack ACL data into the reply. UIDs/GIDs are mapped and filtered by nodemap.
*
struct md_object *next = mdt_object_child(o);
struct lu_buf *buf = &info->mti_buf;
struct mdt_device *mdt = info->mti_mdt;
+ struct req_capsule *pill = info->mti_pill;
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);
+ buf->lb_buf = req_capsule_server_get(pill, &RMF_ACL);
+ buf->lb_len = req_capsule_get_size(pill, &RMF_ACL, RCL_SERVER);
if (buf->lb_len == 0)
RETURN(0);
exp_connect_large_acl(info->mti_exp) &&
buf->lb_buf != info->mti_big_acl) {
if (info->mti_big_acl == NULL) {
+ info->mti_big_aclsize =
+ MIN(mdt->mdt_max_ea_size,
+ XATTR_SIZE_MAX);
OBD_ALLOC_LARGE(info->mti_big_acl,
- mdt->mdt_max_ea_size);
+ info->mti_big_aclsize);
if (info->mti_big_acl == NULL) {
+ info->mti_big_aclsize = 0;
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);
+ info->mti_big_aclsize);
buf->lb_buf = info->mti_big_acl;
buf->lb_len = info->mti_big_aclsize;
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;
CERROR("%s: nodemap_map_acl unable to parse "DFID
" ACL: rc = %d\n", mdt_obd_name(mdt),
PFID(mdt_object_fid(o)), rc);
+ repbody->mbo_aclsize = 0;
+ repbody->mbo_valid &= ~OBD_MD_FLACL;
} else {
repbody->mbo_aclsize = rc;
repbody->mbo_valid |= OBD_MD_FLACL;
/* 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 &&
- 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 ((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;
+ } else if (ma->ma_valid & MA_SOM) { /* lsom is valid */
+ b->mbo_valid |= OBD_MD_FLLAZYSIZE | OBD_MD_FLLAZYBLOCKS;
+ b->mbo_size = ma->ma_som.ms_size;
+ b->mbo_blocks = ma->ma_som.ms_blocks;
+ }
}
- if (fid != NULL && (b->mbo_valid & OBD_MD_FLSIZE))
+ if (fid != NULL && (b->mbo_valid & OBD_MD_FLSIZE ||
+ b->mbo_valid & OBD_MD_FLLAZYSIZE))
CDEBUG(D_VFSTRACE, DFID": returning size %llu\n",
PFID(fid), (unsigned long long)b->mbo_size);
buf->lb_len = ma->ma_lmv_size;
LASSERT(!(ma->ma_valid & MA_LMV));
} else if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
- buf->lb_buf = ma->ma_lmv;
- buf->lb_len = ma->ma_lmv_size;
+ buf->lb_buf = ma->ma_default_lmv;
+ buf->lb_len = ma->ma_default_lmv_size;
LASSERT(!(ma->ma_valid & MA_LMV_DEF));
} else {
return -EINVAL;
}
+ LASSERT(buf->lb_buf);
+
rc = mo_xattr_get(info->mti_env, next, buf, name);
if (rc > 0) {
ma->ma_lmv_size = rc;
ma->ma_valid |= MA_LMV;
} else if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
- ma->ma_lmv_size = rc;
+ ma->ma_default_lmv_size = rc;
ma->ma_valid |= MA_LMV_DEF;
}
return rc;
}
-static int mdt_attr_get_pfid(struct mdt_thread_info *info,
- struct mdt_object *o, struct lu_fid *pfid)
+int mdt_attr_get_pfid(struct mdt_thread_info *info, struct mdt_object *o,
+ struct lu_fid *pfid)
{
struct lu_buf *buf = &info->mti_buf;
struct link_ea_header *leh;
rc = mo_attr_get(env, next, ma);
if (rc)
GOTO(out, rc);
+
+ if (S_ISREG(mode))
+ (void) mdt_get_som(info, o, ma);
ma->ma_valid |= MA_INODE;
}
GOTO(out, rc);
}
+ /*
+ * 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)
+ GOTO(out, rc);
+ }
+
if (need & MA_HSM && S_ISREG(mode)) {
buf->lb_buf = info->mti_xattr_buf;
buf->lb_len = sizeof(info->mti_xattr_buf);
- CLASSERT(sizeof(struct hsm_attrs) <=
- sizeof(info->mti_xattr_buf));
+ BUILD_BUG_ON(sizeof(struct hsm_attrs) >
+ sizeof(info->mti_xattr_buf));
rc2 = mo_xattr_get(info->mti_env, next, buf, XATTR_NAME_HSM);
rc2 = lustre_buf2hsm(info->mti_xattr_buf, rc2, &ma->ma_hsm);
if (rc2 == 0)
GOTO(out, rc = rc2);
}
-#ifdef CONFIG_FS_POSIX_ACL
+#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
if (need & MA_ACL_DEF && S_ISDIR(mode)) {
buf->lb_buf = ma->ma_acl;
buf->lb_len = ma->ma_acl_size;
req->rq_export->exp_client_uuid.uuid);
}
- /* If it is dir object and client require MEA, then we got MEA */
+ /* from 2.12.58 intent_getattr pack default LMV in reply */
if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
- (reqbody->mbo_valid & (OBD_MD_MEA | OBD_MD_DEFAULT_MEA))) {
+ ((reqbody->mbo_valid & (OBD_MD_MEA | OBD_MD_DEFAULT_MEA)) ==
+ (OBD_MD_MEA | OBD_MD_DEFAULT_MEA)) &&
+ req_capsule_has_field(&req->rq_pill, &RMF_DEFAULT_MDT_MD,
+ RCL_SERVER)) {
+ ma->ma_lmv = buffer->lb_buf;
+ ma->ma_lmv_size = buffer->lb_len;
+ ma->ma_default_lmv = req_capsule_server_get(pill,
+ &RMF_DEFAULT_MDT_MD);
+ ma->ma_default_lmv_size = req_capsule_get_size(pill,
+ &RMF_DEFAULT_MDT_MD,
+ RCL_SERVER);
+ ma->ma_need = MA_INODE;
+ if (ma->ma_lmv_size > 0)
+ ma->ma_need |= MA_LMV;
+ if (ma->ma_default_lmv_size > 0)
+ ma->ma_need |= MA_LMV_DEF;
+ } else if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
+ (reqbody->mbo_valid & (OBD_MD_MEA | OBD_MD_DEFAULT_MEA))) {
+ /* If it is dir and client require MEA, then we got MEA */
/* Assumption: MDT_MD size is enough for lmv size. */
ma->ma_lmv = buffer->lb_buf;
ma->ma_lmv_size = buffer->lb_len;
ma->ma_need = MA_INODE;
if (ma->ma_lmv_size > 0) {
- if (reqbody->mbo_valid & OBD_MD_MEA)
+ if (reqbody->mbo_valid & OBD_MD_MEA) {
ma->ma_need |= MA_LMV;
- else if (reqbody->mbo_valid & OBD_MD_DEFAULT_MEA)
+ } else if (reqbody->mbo_valid & OBD_MD_DEFAULT_MEA) {
ma->ma_need |= MA_LMV_DEF;
+ ma->ma_default_lmv = buffer->lb_buf;
+ ma->ma_lmv = NULL;
+ ma->ma_default_lmv_size = buffer->lb_len;
+ ma->ma_lmv_size = 0;
+ }
}
} else {
ma->ma_lmm = buffer->lb_buf;
ma->ma_lmm_size = buffer->lb_len;
ma->ma_need = MA_INODE | MA_HSM;
- if (ma->ma_lmm_size > 0)
+ if (ma->ma_lmm_size > 0) {
ma->ma_need |= MA_LOV;
+ /* Older clients may crash if they getattr overstriped
+ * files
+ */
+ if (!exp_connect_overstriping(exp) &&
+ mdt_lmm_is_overstriping(ma->ma_lmm))
+ RETURN(-EOPNOTSUPP);
+ }
}
if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
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;
+ /*
+ * when ll_dir_getstripe() gets default LMV, it
+ * checks mbo_eadatasize.
+ */
+ if (!(ma->ma_valid & MA_LMV))
+ repbody->mbo_eadatasize =
+ ma->ma_default_lmv_size;
repbody->mbo_valid |= (OBD_MD_FLDIREA |
OBD_MD_DEFAULT_MEA);
}
repbody->mbo_max_mdsize);
}
-#ifdef CONFIG_FS_POSIX_ACL
+#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
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);
int rc, rc2;
ENTRY;
- reqbody = req_capsule_client_get(pill, &RMF_MDT_BODY);
- LASSERT(reqbody);
- LASSERT(obj != NULL);
+ if (unlikely(info->mti_object == NULL))
+ RETURN(-EPROTO);
+
+ reqbody = req_capsule_client_get(pill, &RMF_MDT_BODY);
+ LASSERT(reqbody);
LASSERT(lu_object_assert_exists(&obj->mot_obj));
+ /* Special case for Data-on-MDT files to get data version */
+ if (unlikely(reqbody->mbo_valid & OBD_MD_FLDATAVERSION)) {
+ rc = mdt_data_version_get(tsi);
+ GOTO(out, rc);
+ }
+
/* 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.
/* No easy way to know how long is the symlink, but it cannot
* 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!
*/
info->mti_cross_ref = !!(reqbody->mbo_valid & OBD_MD_FLCROSSREF);
rc = mdt_getattr_internal(info, obj, 0);
- EXIT;
+ 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;
out:
mdt_thread_info_fini(info);
return rc;
/**
* Handler of layout intent RPC requiring the layout modification
*
- * \param[in] info thread environment
- * \param[in] obj object
- * \param[in] layout layout intent
- * \param[in] buf buffer containing client's lovea, could be empty
+ * \param[in] info thread environment
+ * \param[in] obj object
+ * \param[out] lhc object ldlm lock handle
+ * \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 layout_intent *layout,
- const struct lu_buf *buf)
+int mdt_layout_change(struct mdt_thread_info *info, struct mdt_object *obj,
+ struct mdt_lock_handle *lhc,
+ struct md_layout_change *layout)
{
- struct mdt_lock_handle *lh = &info->mti_lh[MDT_LH_LOCAL];
int rc;
+
ENTRY;
- CDEBUG(D_INFO, "got layout change request from client: "
- "opc:%u flags:%#x extent[%#llx,%#llx)\n",
- layout->li_opc, layout->li_flags,
- layout->li_start, layout->li_end);
- if (layout->li_start >= layout->li_end) {
- CERROR("Recieved an invalid layout change range [%llu, %llu) "
- "for "DFID"\n", layout->li_start, layout->li_end,
- PFID(mdt_object_fid(obj)));
- RETURN(-EINVAL);
- }
+ if (!mdt_object_exists(obj))
+ RETURN(-ENOENT);
if (!S_ISREG(lu_object_attr(&obj->mot_obj)))
- GOTO(out, rc = -EINVAL);
+ RETURN(-EINVAL);
rc = mo_permission(info->mti_env, NULL, mdt_object_child(obj), NULL,
MAY_WRITE);
if (rc)
- GOTO(out, rc);
+ RETURN(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 | MDS_INODELOCK_XATTR);
- if (rc)
- GOTO(out, rc);
+ rc = mdt_check_resent_lock(info, obj, lhc);
+ if (rc < 0)
+ RETURN(rc);
+
+ 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);
+ if (rc)
+ RETURN(rc);
+ }
- rc = mo_layout_change(info->mti_env, mdt_object_child(obj), layout,
- buf);
+ mutex_lock(&obj->mot_som_mutex);
+ rc = mo_layout_change(info->mti_env, mdt_object_child(obj), layout);
+ mutex_unlock(&obj->mot_som_mutex);
+
+ if (rc)
+ mdt_object_unlock(info, obj, lhc, 1);
- mdt_object_unlock(info, obj, lh, 1);
-out:
RETURN(rc);
}
RETURN(-EOPNOTSUPP);
info = tsi2mdt_info(tsi);
+ if (unlikely(info->mti_object == NULL))
+ RETURN(-EPROTO);
if (info->mti_dlm_req != NULL)
ldlm_request_cancel(req, info->mti_dlm_req, 0, LATF_SKIP);
/* permission check. Make sure the calling process having permission
* to write both files. */
rc = mo_permission(info->mti_env, NULL, mdt_object_child(o1), NULL,
- MAY_WRITE);
+ MAY_WRITE);
if (rc < 0)
GOTO(put, rc);
rc = mo_permission(info->mti_env, NULL, mdt_object_child(o2), NULL,
- MAY_WRITE);
+ MAY_WRITE);
if (rc < 0)
GOTO(put, rc);
__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;
+ struct req_capsule *pill = info->mti_pill;
+ __u64 try_bits = 0;
+ bool is_resent;
+ int ma_need = 0;
+ int rc;
+
ENTRY;
is_resent = lustre_handle_is_used(&lhc->mlh_reg_lh);
mdt_lock_reg_init(lhc, LCK_PR);
/*
- * Object's name is on another MDS, no lookup or layout
- * lock is needed here but update lock is.
+ * Object's name entry is on another MDS, it will
+ * request PERM lock only because LOOKUP lock is owned
+ * by the MDS where name entry resides.
+ *
+ * TODO: it should try layout lock too. - Jinshan
*/
child_bits &= ~(MDS_INODELOCK_LOOKUP |
MDS_INODELOCK_LAYOUT);
- child_bits |= MDS_INODELOCK_PERM | MDS_INODELOCK_UPDATE;
+ child_bits |= MDS_INODELOCK_PERM;
rc = mdt_object_lock(info, child, lhc, child_bits);
if (rc < 0)
}
rc = mdt_getattr_internal(info, child, 0);
- if (unlikely(rc != 0))
+ if (unlikely(rc != 0)) {
mdt_object_unlock(info, child, lhc, 1);
+ RETURN(rc);
+ }
- RETURN(rc);
- }
+ rc = mdt_pack_secctx_in_reply(info, child);
+ if (unlikely(rc))
+ mdt_object_unlock(info, child, lhc, 1);
+ RETURN(rc);
+ }
lname = &info->mti_name;
- mdt_name_unpack(info->mti_pill, &RMF_NAME, lname, MNF_FIX_ANON);
+ 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)),
PNAME(lname), ldlm_rep);
} else {
- reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ reqbody = req_capsule_client_get(pill, &RMF_MDT_BODY);
if (unlikely(reqbody == NULL))
RETURN(err_serious(-EPROTO));
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;
+ !mdt_object_remote(child)) {
+ 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
* lock and this might save us RPC on later STAT. For
* directories, it also let negative dentry cache start
* 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 +
- ma->ma_attr.la_ctime < cfs_time_current_sec())
- child_bits |= MDS_INODELOCK_UPDATE;
- }
+ if (ma->ma_valid & MA_INODE &&
+ ma->ma_attr.la_valid & LA_CTIME &&
+ info->mti_mdt->mdt_namespace->ns_ctime_age_limit +
+ ma->ma_attr.la_ctime < ktime_get_real_seconds())
+ child_bits |= MDS_INODELOCK_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 */
child_bits &= ~MDS_INODELOCK_UPDATE;
rc = mdt_object_lock(info, child, lhc, child_bits);
}
- if (unlikely(rc != 0))
- GOTO(out_child, rc);
- }
+ if (unlikely(rc != 0))
+ GOTO(out_child, rc);
+ }
- lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
+ /* 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);
+ GOTO(out_child, rc);
+ }
+
+ rc = mdt_pack_secctx_in_reply(info, child);
+ if (unlikely(rc)) {
+ mdt_object_unlock(info, child, lhc, 1);
+ GOTO(out_child, rc);
+ }
- /* 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);
- } else if (lock) {
+ lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
+ if (lock) {
/* Debugging code. */
LDLM_DEBUG(lock, "Returning lock to client");
LASSERTF(fid_res_name_eq(mdt_object_fid(child),
"Lock res_id: "DLDLMRES", fid: "DFID"\n",
PLDLMRES(lock->l_resource),
PFID(mdt_object_fid(child)));
- }
- if (lock)
- LDLM_LOCK_PUT(lock);
- EXIT;
+ if (S_ISREG(lu_object_attr(&child->mot_obj)) &&
+ !mdt_object_remote(child) && child != parent) {
+ mdt_object_put(info->mti_env, child);
+ rc = mdt_pack_size2body(info, child_fid,
+ &lhc->mlh_reg_lh);
+ 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);
+ }
+ LDLM_LOCK_PUT(lock);
+ GOTO(out_parent, rc = 0);
+ }
+ LDLM_LOCK_PUT(lock);
+ }
+
+ EXIT;
out_child:
- mdt_object_put(info->mti_env, child);
+ mdt_object_put(info->mti_env, child);
out_parent:
- if (lhp)
- mdt_object_unlock(info, parent, lhp, 1);
- return rc;
+ if (lhp)
+ mdt_object_unlock(info, parent, lhp, 1);
+ return rc;
}
/* normal handler: should release the child lock */
return rc;
}
+static int mdt_rmfid_unlink(struct mdt_thread_info *info,
+ const struct lu_fid *pfid,
+ const struct lu_name *name,
+ 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 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);
+ if (IS_ERR(pobj))
+ 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);
+ 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);
+
+ if (!lu_fid_eq(child_fid, mdt_object_fid(obj)))
+ 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);
+ if (rc != 0)
+ GOTO(unlock_parent, rc);
+
+ if (atomic_read(&obj->mot_open_count)) {
+ CDEBUG(D_OTHER, "object "DFID" open, skip\n",
+ PFID(mdt_object_fid(obj)));
+ GOTO(unlock_child, rc = -EBUSY);
+ }
+
+ ma->ma_need = 0;
+ ma->ma_valid = MA_INODE;
+ ma->ma_attr.la_valid = LA_CTIME;
+ ma->ma_attr.la_ctime = ctime;
+
+ mutex_lock(&obj->mot_lov_mutex);
+
+ rc = mdo_unlink(info->mti_env, mdt_object_child(pobj),
+ mdt_object_child(obj), name, ma, 0);
+
+ mutex_unlock(&obj->mot_lov_mutex);
+
+unlock_child:
+ mdt_reint_striped_unlock(info, obj, child_lh, einfo, 1);
+unlock_parent:
+ mdt_object_unlock(info, pobj, parent_lh, 1);
+put_parent:
+ mdt_object_put(info->mti_env, pobj);
+out:
+ RETURN(rc);
+}
+
+static int mdt_rmfid_check_permission(struct mdt_thread_info *info,
+ struct mdt_object *obj)
+{
+ struct lu_ucred *uc = lu_ucred(info->mti_env);
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+ int rc = 0;
+ ENTRY;
+
+ ma->ma_need = MA_INODE;
+ rc = mo_attr_get(info->mti_env, mdt_object_child(obj), ma);
+ if (rc)
+ GOTO(out, rc);
+
+ if (la->la_flags & LUSTRE_IMMUTABLE_FL)
+ rc = -EACCES;
+
+ if (md_capable(uc, CFS_CAP_DAC_OVERRIDE))
+ RETURN(0);
+ if (uc->uc_fsuid == la->la_uid) {
+ if ((la->la_mode & S_IWUSR) == 0)
+ rc = -EACCES;
+ } else if (uc->uc_fsgid == la->la_gid) {
+ if ((la->la_mode & S_IWGRP) == 0)
+ rc = -EACCES;
+ } else if ((la->la_mode & S_IWOTH) == 0) {
+ rc = -EACCES;
+ }
+
+out:
+ RETURN(rc);
+}
+
+static int mdt_rmfid_one(struct mdt_thread_info *info, struct lu_fid *fid,
+ s64 ctime)
+{
+ struct mdt_device *mdt = info->mti_mdt;
+ struct mdt_object *obj = NULL;
+ struct linkea_data ldata = { NULL };
+ struct lu_buf *buf = &info->mti_big_buf;
+ struct lu_name *name = &info->mti_name;
+ struct lu_fid *pfid = &info->mti_tmp_fid1;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ int reclen, count, rc = 0;
+ ENTRY;
+
+ if (!fid_is_sane(fid))
+ GOTO(out, rc = -EINVAL);
+
+ if (!fid_is_namespace_visible(fid))
+ GOTO(out, rc = -EINVAL);
+
+ obj = mdt_object_find(info->mti_env, mdt, fid);
+ if (IS_ERR(obj))
+ GOTO(out, rc = PTR_ERR(obj));
+
+ if (mdt_object_remote(obj))
+ GOTO(out, rc = -EREMOTE);
+ if (!mdt_object_exists(obj) || lu_object_is_dying(&obj->mot_header))
+ GOTO(out, rc = -ENOENT);
+
+ rc = mdt_rmfid_check_permission(info, obj);
+ if (rc)
+ GOTO(out, rc);
+
+ /* take LinkEA */
+ buf = lu_buf_check_and_alloc(buf, PATH_MAX);
+ if (!buf->lb_buf)
+ GOTO(out, rc = -ENOMEM);
+
+ ldata.ld_buf = buf;
+ rc = mdt_links_read(info, obj, &ldata);
+ if (rc)
+ GOTO(out, rc);
+
+ leh = buf->lb_buf;
+ lee = (struct link_ea_entry *)(leh + 1);
+ for (count = 0; count < leh->leh_reccount; count++) {
+ /* remove every hardlink */
+ linkea_entry_unpack(lee, &reclen, name, pfid);
+ lee = (struct link_ea_entry *) ((char *)lee + reclen);
+ rc = mdt_rmfid_unlink(info, pfid, name, obj, ctime);
+ if (rc)
+ break;
+ }
+
+out:
+ if (obj && !IS_ERR(obj))
+ mdt_object_put(info->mti_env, obj);
+ if (info->mti_big_buf.lb_buf)
+ lu_buf_free(&info->mti_big_buf);
+
+ RETURN(rc);
+}
+
+static int mdt_rmfid(struct tgt_session_info *tsi)
+{
+ struct mdt_thread_info *mti = tsi2mdt_info(tsi);
+ struct mdt_body *reqbody;
+ struct lu_fid *fids, *rfids;
+ int bufsize, rc;
+ __u32 *rcs;
+ int i, nr;
+ ENTRY;
+
+ reqbody = req_capsule_client_get(tsi->tsi_pill, &RMF_MDT_BODY);
+ if (reqbody == NULL)
+ RETURN(-EPROTO);
+ bufsize = req_capsule_get_size(tsi->tsi_pill, &RMF_FID_ARRAY,
+ RCL_CLIENT);
+ nr = bufsize / sizeof(struct lu_fid);
+ if (nr * sizeof(struct lu_fid) != bufsize)
+ RETURN(-EINVAL);
+ req_capsule_set_size(tsi->tsi_pill, &RMF_RCS,
+ RCL_SERVER, nr * sizeof(__u32));
+ req_capsule_set_size(tsi->tsi_pill, &RMF_FID_ARRAY,
+ RCL_SERVER, nr * sizeof(struct lu_fid));
+ rc = req_capsule_server_pack(tsi->tsi_pill);
+ if (rc)
+ GOTO(out, rc = err_serious(rc));
+ fids = req_capsule_client_get(tsi->tsi_pill, &RMF_FID_ARRAY);
+ if (fids == NULL)
+ RETURN(-EPROTO);
+ rcs = req_capsule_server_get(tsi->tsi_pill, &RMF_RCS);
+ LASSERT(rcs);
+ rfids = req_capsule_server_get(tsi->tsi_pill, &RMF_FID_ARRAY);
+ LASSERT(rfids);
+
+ mdt_init_ucred(mti, reqbody);
+ for (i = 0; i < nr; i++) {
+ rfids[i] = fids[i];
+ rcs[i] = mdt_rmfid_one(mti, fids + i, reqbody->mbo_ctime);
+ }
+ mdt_exit_ucred(mti);
+
+out:
+ RETURN(rc);
+}
+
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void __user *uarg);
return 0;
}
+static inline bool mdt_is_readonly_open(struct mdt_thread_info *info, __u32 op)
+{
+ return op == REINT_OPEN &&
+ !(info->mti_spec.sp_cr_flags & (MDS_FMODE_WRITE | MDS_OPEN_CREAT));
+}
+
+static void mdt_preset_secctx_size(struct mdt_thread_info *info)
+{
+ struct req_capsule *pill = info->mti_pill;
+
+ if (req_capsule_has_field(pill, &RMF_FILE_SECCTX,
+ RCL_SERVER) &&
+ req_capsule_has_field(pill, &RMF_FILE_SECCTX_NAME,
+ RCL_CLIENT)) {
+ if (req_capsule_get_size(pill, &RMF_FILE_SECCTX_NAME,
+ 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_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)
ENTRY;
- rc = mdt_reint_unpack(info, op);
- if (rc != 0) {
- CERROR("Can't unpack reint, rc %d\n", rc);
- RETURN(err_serious(rc));
- }
+ rc = mdt_reint_unpack(info, op);
+ if (rc != 0) {
+ CERROR("Can't unpack reint, rc %d\n", rc);
+ RETURN(err_serious(rc));
+ }
+
- /* for replay (no_create) lmm is not needed, client has it already */
- if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
- req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
+ /* check if the file system is set to readonly. O_RDONLY open
+ * 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));
+
+ /* for replay (no_create) lmm is not needed, client has it already */
+ 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);
/* llog cookies are always 0, the field is kept for compatibility */
- if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
+ 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
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);
- RETURN(err_serious(rc));
- }
+ mdt_preset_secctx_size(info);
+
+ rc = req_capsule_server_pack(pill);
+ if (rc != 0) {
+ CERROR("Can't pack response, rc %d\n", rc);
+ RETURN(err_serious(rc));
+ }
- if (req_capsule_has_field(pill, &RMF_MDT_BODY, RCL_SERVER)) {
- repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
- LASSERT(repbody);
+ if (req_capsule_has_field(pill, &RMF_MDT_BODY, RCL_SERVER)) {
+ repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ LASSERT(repbody);
repbody->mbo_eadatasize = 0;
repbody->mbo_aclsize = 0;
- }
+ }
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_REINT_DELAY, 10);
+ OBD_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)
- if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
- req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER, 0);
+ /* for replay no cookkie / lmm need, because client have this already */
+ if (info->mti_spec.no_create)
+ if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
+ req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER, 0);
- rc = mdt_init_ucred_reint(info);
- if (rc)
- GOTO(out_shrink, rc);
+ rc = mdt_init_ucred_reint(info);
+ if (rc)
+ GOTO(out_shrink, rc);
- rc = mdt_fix_attr_ucred(info, op);
- if (rc != 0)
- GOTO(out_ucred, rc = err_serious(rc));
+ rc = mdt_fix_attr_ucred(info, op);
+ if (rc != 0)
+ GOTO(out_ucred, rc = err_serious(rc));
rc = mdt_check_resent(info, mdt_reconstruct, lhc);
if (rc < 0) {
GOTO(out_ucred, rc);
} else if (rc == 1) {
- DEBUG_REQ(D_INODE, mdt_info_req(info), "resent opt.");
+ DEBUG_REQ(D_INODE, mdt_info_req(info), "resent opt");
rc = lustre_msg_get_status(mdt_info_req(info)->rq_repmsg);
- GOTO(out_ucred, rc);
- }
- rc = mdt_reint_rec(info, lhc);
- EXIT;
+ GOTO(out_ucred, rc);
+ }
+ rc = mdt_reint_rec(info, lhc);
+ 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;
+
+ /*
+ * 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.
+ */
+ 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) {
+ rc = mdt_dom_read_on_open(info, info->mti_mdt,
+ &lhc->mlh_reg_lh);
+ }
+
+ return rc;
}
static long mdt_reint_opcode(struct ptlrpc_request *req,
[REINT_OPEN] = &RQF_MDS_REINT_OPEN,
[REINT_SETXATTR] = &RQF_MDS_REINT_SETXATTR,
[REINT_RMENTRY] = &RQF_MDS_REINT_UNLINK,
- [REINT_MIGRATE] = &RQF_MDS_REINT_RENAME
+ [REINT_MIGRATE] = &RQF_MDS_REINT_MIGRATE,
+ [REINT_RESYNC] = &RQF_MDS_REINT_RESYNC,
};
ENTRY;
}
/* this should sync the whole device */
-static int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt)
+int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt)
{
struct dt_device *dt = mdt->mdt_bottom;
int 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;
+ int rc = 0;
+
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);
+
+ if (S_ISREG(lu_object_attr(&mo->mot_obj))) {
+ struct lu_target *tgt = tgt_ses_info(env)->tsi_tgt;
+ dt_obj_version_t version;
+
+ version = dt_version_get(env, mdt_obj2dt(mo));
+ if (version > tgt->lut_obd->obd_last_committed)
+ rc = mo_object_sync(env, mdt_object_child(mo));
+ } else {
+ rc = mo_object_sync(env, mdt_object_child(mo));
+ }
RETURN(rc);
}
} else {
struct mdt_thread_info *info = tsi2mdt_info(tsi);
+ if (unlikely(info->mti_object == NULL))
+ RETURN(-EPROTO);
+
/* 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
/* master quotactl */
case Q_SETINFO:
case Q_SETQUOTA:
+ case LUSTRE_Q_SETDEFAULT:
if (!nodemap_can_setquota(nodemap))
GOTO(out_nodemap, rc = -EPERM);
+ /* fallthrough */
case Q_GETINFO:
case Q_GETQUOTA:
+ case LUSTRE_Q_GETDEFAULT:
if (qmt == NULL)
GOTO(out_nodemap, rc = -EOPNOTSUPP);
/* slave quotactl */
+ /* fallthrough */
case Q_GETOINFO:
case Q_GETOQUOTA:
break;
case Q_SETINFO:
case Q_SETQUOTA:
case Q_GETQUOTA:
+ case LUSTRE_Q_SETDEFAULT:
+ case LUSTRE_Q_GETDEFAULT:
/* forward quotactl request to QMT */
rc = qmt_hdls.qmth_quotactl(tsi->tsi_env, qmt, oqctl);
break;
{
struct obd_device *obd = ldlm_lock_to_ns(lock)->ns_obd;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct ldlm_cb_set_arg *arg = data;
bool commit_async = false;
int rc;
ENTRY;
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) {
+
+ /* A blocking ast may be sent from ldlm_lock_decref_internal
+ * when the last reference to a local lock was released and
+ * during blocking event from ldlm_work_bl_ast_lock().
+ * 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 (lock->l_client_cookie !=
- lock->l_blocking_lock->l_client_cookie)
+ if (!arg->bl_desc->bl_same_client)
mdt_set_lock_sync(lock);
} else if (mdt_slc_is_enabled(mdt) &&
- ldlm_is_cos_incompat(lock->l_blocking_lock)) {
+ arg->bl_desc->bl_cos_incompat) {
mdt_set_lock_sync(lock);
/*
* we may do extra commit here, but there is a small
*/
commit_async = true;
}
- } else if (lock->l_req_mode == LCK_COS &&
- lock->l_blocking_lock != NULL) {
+ } else if (lock->l_req_mode == LCK_COS) {
commit_async = true;
}
+skip_cos_checks:
rc = ldlm_blocking_ast_nocheck(lock);
if (commit_async) {
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)
+static void mdt_remote_object_lock_created_cb(struct ldlm_lock *lock)
{
- struct ldlm_enqueue_info *einfo = &mti->mti_einfo;
+ 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)
+{
+ 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;
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
* can be easily found in lock ASTs.
*/
- mdt_object_get(mti->mti_env, o);
einfo->ei_cbdata = o;
+ einfo->ei_cb_created = mdt_remote_object_lock_created_cb;
}
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);
- if (rc < 0 && cache) {
- 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;
struct ldlm_res_id *res_id = &info->mti_res_id;
- __u64 dlmflags = 0;
+ __u64 dlmflags = 0, *cookie = NULL;
int rc;
ENTRY;
}
/* Only enqueue LOOKUP lock for remote object */
- if (mdt_object_remote(o))
- LASSERT(ibits == MDS_INODELOCK_LOOKUP);
+ 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 */
/* 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;
- rc = mdt_fid_lock(ns, &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
- policy, res_id, dlmflags,
- info->mti_exp == NULL ? NULL :
- &info->mti_exp->exp_handle.h_cookie);
+ 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);
}
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
* 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(ns, &lh->mlh_reg_lh, lh->mlh_reg_mode, policy,
- res_id, LDLM_FL_LOCAL_ONLY | dlmflags,
- info->mti_exp == NULL ? NULL :
- &info->mti_exp->exp_handle.h_cookie);
+ 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);
(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
* 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),
+ 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(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);
}
}
+ /* 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));
+
RETURN(0);
}
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;
+ bool trylock_only = *ibits == 0;
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;
+ LASSERT(!(*ibits & trybits));
+ rc = mdt_object_lock_internal(info, o, lh, ibits, trybits,
+ cos_incompat);
+ if (rc && trylock_only) { /* clear error for try ibits lock only */
+ LASSERT(*ibits == 0);
+ rc = 0;
+ }
+ return rc;
}
/**
* \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;
"state %p transno %lld\n", req,
req->rq_reply_state, req->rq_transno);
if (cos) {
- ldlm_lock_downgrade(lock, LCK_COS);
+ ldlm_lock_mode_downgrade(lock, LCK_COS);
mode = LCK_COS;
}
- ptlrpc_save_lock(req, h, mode, cos,
- convert_lock);
+ 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);
}
* - create lu_object, corresponding to the fid in mdt_body, and save it in
* @info;
*
- * - if HABEO_CORPUS flag is set for this request type check whether object
+ * - if HAS_BODY flag is set for this request type check whether object
* actually exists on storage (lu_object_exists()).
*
*/
-static int mdt_body_unpack(struct mdt_thread_info *info, __u32 flags)
+static int mdt_body_unpack(struct mdt_thread_info *info,
+ enum tgt_handler_flags flags)
{
const struct mdt_body *body;
struct mdt_object *obj;
obj = mdt_object_find(env, info->mti_mdt, &body->mbo_fid1);
if (!IS_ERR(obj)) {
- if ((flags & HABEO_CORPUS) && !mdt_object_exists(obj)) {
+ if ((flags & HAS_BODY) && !mdt_object_exists(obj)) {
mdt_object_put(env, obj);
rc = -ENOENT;
} else {
RETURN(rc);
}
-static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info, __u32 flags)
+static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info,
+ enum tgt_handler_flags flags)
{
- struct req_capsule *pill = info->mti_pill;
- int rc;
- ENTRY;
+ struct req_capsule *pill = info->mti_pill;
+ int rc;
- if (req_capsule_has_field(pill, &RMF_MDT_BODY, RCL_CLIENT))
- rc = mdt_body_unpack(info, flags);
- else
- rc = 0;
+ ENTRY;
+
+ if (req_capsule_has_field(pill, &RMF_MDT_BODY, RCL_CLIENT))
+ rc = mdt_body_unpack(info, flags);
+ else
+ rc = 0;
- if (rc == 0 && (flags & HABEO_REFERO)) {
- /* Pack reply. */
- if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
- req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
+ if (rc == 0 && (flags & HAS_REPLY)) {
+ /* 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);
- if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
+ if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
req_capsule_set_size(pill, &RMF_LOGCOOKIES,
RCL_SERVER, 0);
req_capsule_set_size(pill, &RMF_ACL, RCL_SERVER,
LUSTRE_POSIX_ACL_MAX_SIZE_OLD);
- rc = req_capsule_server_pack(pill);
- }
- RETURN(rc);
+ mdt_preset_secctx_size(info);
+
+ rc = req_capsule_server_pack(pill);
+ if (rc)
+ CWARN("%s: cannot pack response: rc = %d\n",
+ mdt_obd_name(info->mti_mdt), rc);
+ }
+ RETURN(rc);
}
void mdt_lock_handle_init(struct mdt_lock_handle *lh)
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;
cfs_fail_val ==
tsi2mdt_info(tsi)->mti_mdt->mdt_seq_site.ss_node_id) {
set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(msecs_to_jiffies(3 * MSEC_PER_SEC));
+ schedule_timeout(cfs_time_seconds(3));
}
- return tgt_connect(tsi);
-}
-
-enum mdt_it_code {
- MDT_IT_OPEN,
- MDT_IT_OCREAT,
- MDT_IT_CREATE,
- MDT_IT_GETATTR,
- MDT_IT_READDIR,
- MDT_IT_LOOKUP,
- MDT_IT_UNLINK,
- MDT_IT_TRUNC,
- MDT_IT_GETXATTR,
- MDT_IT_LAYOUT,
- MDT_IT_QUOTA,
- MDT_IT_NR
-};
-
-static int mdt_intent_getattr(enum mdt_it_code opcode,
- 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 ldlm_lock **lockp,
- __u64 flags);
+ return tgt_connect(tsi);
+}
-static int mdt_intent_layout(enum mdt_it_code opcode,
- struct mdt_thread_info *info,
- struct ldlm_lock **,
- __u64);
-static int mdt_intent_reint(enum mdt_it_code opcode,
- struct mdt_thread_info *info,
- struct ldlm_lock **,
- __u64);
-
-static struct mdt_it_flavor {
- const struct req_format *it_fmt;
- __u32 it_flags;
- int (*it_act)(enum mdt_it_code ,
- struct mdt_thread_info *,
- struct ldlm_lock **,
- __u64);
- long it_reint;
-} mdt_it_flavor[] = {
- [MDT_IT_OPEN] = {
- .it_fmt = &RQF_LDLM_INTENT,
- /*.it_flags = HABEO_REFERO,*/
- .it_flags = 0,
- .it_act = mdt_intent_reint,
- .it_reint = REINT_OPEN
- },
- [MDT_IT_OCREAT] = {
- .it_fmt = &RQF_LDLM_INTENT,
- /*
- * OCREAT is not a MUTABOR request as if the file
- * already exists.
- * We do the extra check of OBD_CONNECT_RDONLY in
- * mdt_reint_open() when we really need to create
- * the object.
- */
- .it_flags = 0,
- .it_act = mdt_intent_reint,
- .it_reint = REINT_OPEN
- },
- [MDT_IT_CREATE] = {
- .it_fmt = &RQF_LDLM_INTENT,
- .it_flags = MUTABOR,
- .it_act = mdt_intent_reint,
- .it_reint = REINT_CREATE
- },
- [MDT_IT_GETATTR] = {
- .it_fmt = &RQF_LDLM_INTENT_GETATTR,
- .it_flags = HABEO_REFERO,
- .it_act = mdt_intent_getattr
- },
- [MDT_IT_READDIR] = {
- .it_fmt = NULL,
- .it_flags = 0,
- .it_act = NULL
- },
- [MDT_IT_LOOKUP] = {
- .it_fmt = &RQF_LDLM_INTENT_GETATTR,
- .it_flags = HABEO_REFERO,
- .it_act = mdt_intent_getattr
- },
- [MDT_IT_UNLINK] = {
- .it_fmt = &RQF_LDLM_INTENT_UNLINK,
- .it_flags = MUTABOR,
- .it_act = NULL,
- .it_reint = REINT_UNLINK
- },
- [MDT_IT_TRUNC] = {
- .it_fmt = NULL,
- .it_flags = MUTABOR,
- .it_act = NULL
- },
- [MDT_IT_GETXATTR] = {
- .it_fmt = &RQF_LDLM_INTENT_GETXATTR,
- .it_flags = HABEO_CORPUS,
- .it_act = mdt_intent_getxattr
- },
- [MDT_IT_LAYOUT] = {
- .it_fmt = &RQF_LDLM_INTENT_LAYOUT,
- .it_flags = 0,
- .it_act = mdt_intent_layout
- }
-};
+static int mdt_intent_glimpse(enum ldlm_intent_flags it_opc,
+ 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 ldlm_intent_flags it_opc,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp, __u64 flags)
+{
+ return mdt_brw_enqueue(info, info->mti_mdt->mdt_namespace,
+ lockp, flags);
+}
-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;
* 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))
+ if (req_can_reconstruct(req, NULL) != 0)
return;
/*
dlmreq->lock_handle[0].cookie);
}
-static int mdt_intent_getxattr(enum mdt_it_code opcode,
- struct mdt_thread_info *info,
- struct ldlm_lock **lockp,
- __u64 flags)
+static int mdt_intent_getxattr(enum ldlm_intent_flags it_opc,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ __u64 flags)
{
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
struct ldlm_reply *ldlm_rep = NULL;
if (ldlm_rep == NULL ||
OBD_FAIL_CHECK(OBD_FAIL_MDS_XATTR_REP)) {
mdt_object_unlock(info, info->mti_object, lhc, 1);
- RETURN(err_serious(-EFAULT));
+ if (is_serious(rc))
+ RETURN(rc);
+ else
+ RETURN(err_serious(-EFAULT));
}
ldlm_rep->lock_policy_res2 = clear_serious(rc);
RETURN(rc);
}
-static int mdt_intent_getattr(enum mdt_it_code opcode,
+static int mdt_intent_getattr(enum ldlm_intent_flags it_opc,
struct mdt_thread_info *info,
struct ldlm_lock **lockp,
__u64 flags)
repbody->mbo_eadatasize = 0;
repbody->mbo_aclsize = 0;
- switch (opcode) {
- case MDT_IT_LOOKUP:
+ switch (it_opc) {
+ case IT_LOOKUP:
child_bits = MDS_INODELOCK_LOOKUP | MDS_INODELOCK_PERM;
- break;
- case MDT_IT_GETATTR:
+ break;
+ case IT_GETATTR:
child_bits = MDS_INODELOCK_LOOKUP | MDS_INODELOCK_UPDATE |
MDS_INODELOCK_PERM;
- break;
- default:
- CERROR("Unsupported intent (%d)\n", opcode);
- GOTO(out_shrink, rc = -EINVAL);
- }
+ break;
+ default:
+ CERROR("%s: unsupported intent %#x\n",
+ mdt_obd_name(info->mti_mdt), (unsigned int)it_opc);
+ GOTO(out_shrink, rc = -EINVAL);
+ }
rc = mdt_init_ucred_intent_getattr(info, reqbody);
if (rc)
return rc;
}
-static int mdt_intent_layout(enum mdt_it_code opcode,
+static int mdt_intent_layout(enum ldlm_intent_flags it_opc,
struct mdt_thread_info *info,
struct ldlm_lock **lockp,
__u64 flags)
{
- struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_LAYOUT];
- struct layout_intent *layout;
- struct lu_fid *fid;
+ struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
+ struct md_layout_change layout = { .mlc_opc = MD_LAYOUT_NOP };
+ struct layout_intent *intent;
+ struct ldlm_reply *ldlm_rep;
+ struct lu_fid *fid = &info->mti_tmp_fid2;
struct mdt_object *obj = NULL;
- bool layout_change = false;
int layout_size = 0;
+ struct lu_buf *buf = &layout.mlc_buf;
int rc = 0;
+
ENTRY;
- if (opcode != MDT_IT_LAYOUT) {
- CERROR("%s: Unknown intent (%d)\n", mdt_obd_name(info->mti_mdt),
- opcode);
- RETURN(-EINVAL);
- }
+ fid_extract_from_res_name(fid, &(*lockp)->l_resource->lr_name);
- 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);
- switch (layout->li_opc) {
+ 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));
+
+ switch (intent->li_opc) {
case LAYOUT_INTENT_TRUNC:
case LAYOUT_INTENT_WRITE:
- layout_change = true;
+ layout.mlc_opc = MD_LAYOUT_WRITE;
+ layout.mlc_intent = intent;
break;
case LAYOUT_INTENT_ACCESS:
break;
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);
- rc = -ENOTSUPP;
- break;
+ mdt_obd_name(info->mti_mdt), intent->li_opc);
+ RETURN(-ENOTSUPP);
default:
CERROR("%s: Unknown layout intent opc %d\n",
- mdt_obd_name(info->mti_mdt), layout->li_opc);
- rc = -EINVAL;
- break;
+ mdt_obd_name(info->mti_mdt), intent->li_opc);
+ RETURN(-EINVAL);
}
- if (rc < 0)
- RETURN(rc);
-
- fid = &info->mti_tmp_fid2;
- fid_extract_from_res_name(fid, &(*lockp)->l_resource->lr_name);
-
- /* Get lock from request for possible resent case. */
- mdt_intent_fixup_resent(info, *lockp, lhc, flags);
obj = mdt_object_find(info->mti_env, info->mti_mdt, fid);
if (IS_ERR(obj))
- GOTO(out, rc = PTR_ERR(obj));
+ RETURN(PTR_ERR(obj));
if (mdt_object_exists(obj) && !mdt_object_remote(obj)) {
- layout_size = mdt_attr_get_eabuf_size(info, obj);
- if (layout_size < 0)
- GOTO(out_obj, rc = layout_size);
+ /* if layout is going to be changed don't use the current EA
+ * size but the maximum one. That buffer will be shrinked
+ * to the actual size in req_capsule_shrink() before reply.
+ */
+ if (layout.mlc_opc == MD_LAYOUT_WRITE) {
+ layout_size = info->mti_mdt->mdt_max_mdsize;
+ } else {
+ layout_size = mdt_attr_get_eabuf_size(info, obj);
+ if (layout_size < 0)
+ GOTO(out, rc = layout_size);
- if (layout_size > info->mti_mdt->mdt_max_mdsize)
- info->mti_mdt->mdt_max_mdsize = layout_size;
+ if (layout_size > info->mti_mdt->mdt_max_mdsize)
+ info->mti_mdt->mdt_max_mdsize = layout_size;
+ }
+ CDEBUG(D_INFO, "%s: layout_size %d\n",
+ mdt_obd_name(info->mti_mdt), 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);
if (rc)
- GOTO(out_obj, rc);
+ GOTO(out, rc);
+ ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
+ if (!ldlm_rep)
+ GOTO(out, rc = -EPROTO);
- if (layout_change) {
- struct lu_buf *buf = &info->mti_buf;
+ mdt_set_disposition(info, ldlm_rep, DISP_IT_EXECD);
- /**
- * 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);
+ /* take lock in ldlm_lock_enqueue() for LAYOUT_INTENT_ACCESS */
+ if (layout.mlc_opc == MD_LAYOUT_NOP)
+ GOTO(out, 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);
- }
+ rc = mdt_check_resent(info, mdt_reconstruct_generic, lhc);
+ if (rc < 0)
+ GOTO(out, rc);
+ if (rc == 1) {
+ DEBUG_REQ(D_INODE, mdt_info_req(info), "resent opt.");
+ rc = lustre_msg_get_status(mdt_info_req(info)->rq_repmsg);
+ GOTO(out, 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);
/*
- * Instantiate some layout components, if @buf contains
- * lovea, then it's a replay of the layout intent write
- * RPC.
+ * If it's a replay of layout write intent RPC, the client has
+ * saved the extended lovea when it get reply then.
*/
- rc = mdt_layout_change(info, obj, layout, buf);
- if (rc)
- GOTO(out_obj, rc);
+ if (buf->lb_len > 0)
+ mdt_fix_lov_magic(info, buf->lb_buf);
}
-out_obj:
- mdt_object_put(info->mti_env, obj);
- if (rc == 0 && lustre_handle_is_used(&lhc->mlh_reg_lh))
+ /* Get lock from request for possible resent case. */
+ mdt_intent_fixup_resent(info, *lockp, lhc, flags);
+ (*lockp)->l_lvb_type = LVB_T_LAYOUT;
+
+ /*
+ * 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, lhc, &layout);
+ ldlm_rep->lock_policy_res2 = clear_serious(rc);
+
+ if (lustre_handle_is_used(&lhc->mlh_reg_lh)) {
rc = mdt_intent_lock_replace(info, lockp, lhc, flags, rc);
+ if (rc == ELDLM_LOCK_REPLACED &&
+ (*lockp)->l_granted_mode == LCK_EX)
+ ldlm_lock_mode_downgrade(*lockp, LCK_CR);
+ }
+ EXIT;
out:
- lhc->mlh_reg_lh.cookie = 0;
-
+ mdt_object_put(info->mti_env, obj);
return rc;
}
-static int mdt_intent_reint(enum mdt_it_code opcode,
- struct mdt_thread_info *info,
- struct ldlm_lock **lockp,
- __u64 flags)
+static int mdt_intent_open(enum ldlm_intent_flags it_opc,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ __u64 flags)
{
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_RMT];
struct ldlm_reply *rep = NULL;
if (opc < 0)
RETURN(opc);
- if (mdt_it_flavor[opcode].it_reint != opc) {
- CERROR("Reint code %ld doesn't match intent: %d\n",
- opc, opcode);
- RETURN(err_serious(-EPROTO));
- }
-
/* Get lock from request for possible resent case. */
mdt_intent_fixup_resent(info, *lockp, lhc, flags);
rc = mdt_reint_internal(info, lhc, opc);
- /* Check whether the reply has been packed successfully. */
- if (mdt_info_req(info)->rq_repmsg != NULL)
- rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
- if (rep == NULL)
- RETURN(err_serious(-EFAULT));
+ /* Check whether the reply has been packed successfully. */
+ if (mdt_info_req(info)->rq_repmsg != NULL)
+ rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
+ if (rep == NULL) {
+ if (is_serious(rc))
+ RETURN(rc);
+ else
+ RETURN(err_serious(-EFAULT));
+ }
/* MDC expects this in any case */
if (rc != 0)
RETURN(ELDLM_LOCK_ABORTED);
}
-static int mdt_intent_code(enum ldlm_intent_flags itcode)
-{
+static int mdt_intent_opc(enum ldlm_intent_flags it_opc,
+ struct mdt_thread_info *info,
+ struct ldlm_lock **lockp,
+ u64 flags /* LDLM_FL_* */)
+{
+ struct req_capsule *pill = info->mti_pill;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ const struct req_format *it_format;
+ int (*it_handler)(enum ldlm_intent_flags,
+ struct mdt_thread_info *,
+ struct ldlm_lock **,
+ u64);
+ enum tgt_handler_flags it_handler_flags = 0;
+ struct ldlm_reply *rep;
+ bool check_mdt_object = false;
int rc;
+ ENTRY;
- switch (itcode) {
+ switch (it_opc) {
case IT_OPEN:
- rc = MDT_IT_OPEN;
- break;
case IT_OPEN|IT_CREAT:
- rc = MDT_IT_OCREAT;
- break;
- case IT_CREAT:
- rc = MDT_IT_CREATE;
- break;
- case IT_READDIR:
- rc = MDT_IT_READDIR;
+ /*
+ * OCREAT is not a IS_MUTABLE request since the file may
+ * already exist. We do the extra check of
+ * OBD_CONNECT_RDONLY in mdt_reint_open() when we
+ * really need to create the object.
+ */
+ it_format = &RQF_LDLM_INTENT;
+ it_handler = &mdt_intent_open;
break;
case IT_GETATTR:
- rc = MDT_IT_GETATTR;
- break;
+ check_mdt_object = true;
+ /* fallthrough */
case IT_LOOKUP:
- rc = MDT_IT_LOOKUP;
- break;
- case IT_UNLINK:
- rc = MDT_IT_UNLINK;
- break;
- case IT_TRUNC:
- rc = MDT_IT_TRUNC;
+ it_format = &RQF_LDLM_INTENT_GETATTR;
+ it_handler = &mdt_intent_getattr;
+ it_handler_flags = HAS_REPLY;
break;
case IT_GETXATTR:
- rc = MDT_IT_GETXATTR;
+ check_mdt_object = true;
+ it_format = &RQF_LDLM_INTENT_GETXATTR;
+ it_handler = &mdt_intent_getxattr;
+ it_handler_flags = HAS_BODY;
break;
case IT_LAYOUT:
- rc = MDT_IT_LAYOUT;
+ it_format = &RQF_LDLM_INTENT_LAYOUT;
+ it_handler = &mdt_intent_layout;
break;
- case IT_QUOTA_DQACQ:
- case IT_QUOTA_CONN:
- rc = MDT_IT_QUOTA;
+ case IT_GLIMPSE:
+ it_format = &RQF_LDLM_INTENT;
+ it_handler = &mdt_intent_glimpse;
break;
- default:
- CERROR("Unknown intent opcode: 0x%08x\n", itcode);
- rc = -EINVAL;
+ case IT_BRW:
+ it_format = &RQF_LDLM_INTENT;
+ it_handler = &mdt_intent_brw;
break;
- }
- return rc;
-}
-
-static int mdt_intent_opc(enum ldlm_intent_flags itopc,
- struct mdt_thread_info *info,
- struct ldlm_lock **lockp, __u64 flags)
-{
- struct req_capsule *pill = info->mti_pill;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct mdt_it_flavor *flv;
- int opc;
- int rc;
- ENTRY;
-
- opc = mdt_intent_code(itopc);
- if (opc < 0)
- RETURN(-EINVAL);
-
- if (opc == MDT_IT_QUOTA) {
+ case IT_QUOTA_DQACQ:
+ case IT_QUOTA_CONN: {
struct lu_device *qmt = info->mti_mdt->mdt_qmt_dev;
if (qmt == NULL)
flags);
RETURN(rc);
}
+ default:
+ CERROR("%s: unknown intent code %#x\n",
+ mdt_obd_name(info->mti_mdt), it_opc);
+ RETURN(-EPROTO);
+ }
- flv = &mdt_it_flavor[opc];
- if (flv->it_fmt != NULL)
- req_capsule_extend(pill, flv->it_fmt);
+ req_capsule_extend(pill, it_format);
- rc = mdt_unpack_req_pack_rep(info, flv->it_flags);
+ rc = mdt_unpack_req_pack_rep(info, it_handler_flags);
if (rc < 0)
RETURN(rc);
- if (flv->it_flags & MUTABOR && mdt_rdonly(req->rq_export))
- RETURN(-EROFS);
+ if (unlikely(info->mti_object == NULL && check_mdt_object))
+ RETURN(-EPROTO);
- if (flv->it_act != NULL) {
- struct ldlm_reply *rep;
+ if (it_handler_flags & IS_MUTABLE && mdt_rdonly(req->rq_export))
+ RETURN(-EROFS);
- OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_INTENT_DELAY, 10);
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_INTENT_DELAY, 10);
- /* execute policy */
- rc = flv->it_act(opc, info, lockp, flags);
+ /* execute policy */
+ rc = (*it_handler)(it_opc, info, 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);
- }
+ /* 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);
}
RETURN(rc);
}
-static int mdt_intent_policy(struct ldlm_namespace *ns,
- struct ldlm_lock **lockp, void *req_cookie,
- enum ldlm_mode mode, __u64 flags, void *data)
+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(const struct lu_env *env,
+ struct ldlm_namespace *ns,
+ struct ldlm_lock **lockp,
+ void *req_cookie,
+ enum ldlm_mode mode,
+ __u64 flags, void *data)
{
struct tgt_session_info *tsi;
struct mdt_thread_info *info;
struct ptlrpc_request *req = req_cookie;
struct ldlm_intent *it;
struct req_capsule *pill;
+ const struct ldlm_lock_desc *ldesc;
int rc;
ENTRY;
LASSERT(req != NULL);
- tsi = tgt_ses_info(req->rq_svc_thread->t_env);
+ tsi = tgt_ses_info(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)
mdt->mdt_qmt_dev = obd->obd_lu_dev;
/* configure local quota objects */
- rc = mdt->mdt_qmt_dev->ld_ops->ldo_prepare(env,
- &mdt->mdt_lu_dev,
- mdt->mdt_qmt_dev);
+ if (OBD_FAIL_CHECK(OBD_FAIL_QUOTA_INIT))
+ rc = -EBADF;
+ else
+ rc = mdt->mdt_qmt_dev->ld_ops->ldo_prepare(env,
+ &mdt->mdt_lu_dev,
+ mdt->mdt_qmt_dev);
if (rc)
GOTO(class_cleanup, rc);
if (rc) {
class_manual_cleanup(obd);
mdt->mdt_qmt_dev = NULL;
+ GOTO(lcfg_cleanup, rc);
}
class_detach:
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:
struct mdt_thread_info *info = tsi2mdt_info(tsi);
int rc;
+ if (unlikely(info->mti_object == NULL))
+ return -EPROTO;
+
rc = mdt_getxattr(info);
mdt_thread_info_fini(info);
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,
0, MDS_DISCONNECT, tgt_disconnect,
&RQF_MDS_DISCONNECT, LUSTRE_OBD_VERSION),
TGT_RPC_HANDLER(MDS_FIRST_OPC,
- HABEO_REFERO, MDS_SET_INFO, mdt_set_info,
+ HAS_REPLY, MDS_SET_INFO, mdt_set_info,
&RQF_OBD_SET_INFO, LUSTRE_MDS_VERSION),
TGT_MDT_HDL(0, MDS_GET_INFO, mdt_get_info),
-TGT_MDT_HDL(0 | HABEO_REFERO, MDS_GET_ROOT, mdt_get_root),
-TGT_MDT_HDL(HABEO_CORPUS, MDS_GETATTR, mdt_getattr),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_GETATTR_NAME,
+TGT_MDT_HDL(HAS_REPLY, MDS_GET_ROOT, mdt_get_root),
+TGT_MDT_HDL(HAS_BODY, MDS_GETATTR, mdt_getattr),
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY, MDS_GETATTR_NAME,
mdt_getattr_name),
-TGT_MDT_HDL(HABEO_CORPUS, MDS_GETXATTR, mdt_tgt_getxattr),
-TGT_MDT_HDL(0 | HABEO_REFERO, MDS_STATFS, mdt_statfs),
-TGT_MDT_HDL(0 | MUTABOR, MDS_REINT, mdt_reint),
-TGT_MDT_HDL(HABEO_CORPUS, MDS_CLOSE, mdt_close),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_READPAGE, mdt_readpage),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_SYNC, mdt_sync),
+TGT_MDT_HDL(HAS_BODY, MDS_GETXATTR, mdt_tgt_getxattr),
+TGT_MDT_HDL(HAS_REPLY, MDS_STATFS, mdt_statfs),
+TGT_MDT_HDL(IS_MUTABLE, MDS_REINT, mdt_reint),
+TGT_MDT_HDL(HAS_BODY, MDS_CLOSE, mdt_close),
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY, MDS_READPAGE, mdt_readpage),
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY, MDS_SYNC, mdt_sync),
TGT_MDT_HDL(0, MDS_QUOTACTL, mdt_quotactl),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_PROGRESS,
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY | IS_MUTABLE, MDS_HSM_PROGRESS,
mdt_hsm_progress),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_CT_REGISTER,
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY | IS_MUTABLE, MDS_HSM_CT_REGISTER,
mdt_hsm_ct_register),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_CT_UNREGISTER,
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY | IS_MUTABLE, MDS_HSM_CT_UNREGISTER,
mdt_hsm_ct_unregister),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_STATE_GET,
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY, MDS_HSM_STATE_GET,
mdt_hsm_state_get),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_STATE_SET,
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY | IS_MUTABLE, MDS_HSM_STATE_SET,
mdt_hsm_state_set),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_ACTION, mdt_hsm_action),
-TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_REQUEST,
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY, MDS_HSM_ACTION, mdt_hsm_action),
+TGT_MDT_HDL(HAS_BODY | HAS_REPLY, MDS_HSM_REQUEST,
mdt_hsm_request),
-TGT_MDT_HDL(HABEO_CLAVIS | HABEO_CORPUS | HABEO_REFERO | MUTABOR,
+TGT_MDT_HDL(HAS_KEY | HAS_BODY | HAS_REPLY | IS_MUTABLE,
MDS_SWAP_LAYOUTS,
mdt_swap_layouts),
+TGT_MDT_HDL(IS_MUTABLE, MDS_RMFID, mdt_rmfid),
+};
+
+static struct tgt_handler mdt_io_ops[] = {
+TGT_OST_HDL_HP(HAS_BODY | HAS_REPLY, OST_BRW_READ, tgt_brw_read,
+ mdt_hp_brw),
+TGT_OST_HDL_HP(HAS_BODY | IS_MUTABLE, OST_BRW_WRITE, tgt_brw_write,
+ mdt_hp_brw),
+TGT_OST_HDL_HP(HAS_BODY | HAS_REPLY | IS_MUTABLE,
+ OST_PUNCH, mdt_punch_hdl,
+ mdt_hp_punch),
+TGT_OST_HDL(HAS_BODY | HAS_REPLY, OST_SYNC, mdt_data_sync),
};
static struct tgt_handler mdt_sec_ctx_ops[] = {
};
static struct tgt_handler mdt_quota_ops[] = {
-TGT_QUOTA_HDL(HABEO_REFERO, QUOTA_DQACQ, mdt_quota_dqacq),
+TGT_QUOTA_HDL(HAS_REPLY, QUOTA_DQACQ, mdt_quota_dqacq),
};
static struct tgt_opc_slice mdt_common_slice[] = {
.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
}
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);
+ /* Remove the HSM /proc entry so the coordinator cannot be
+ * restarted by a user while it's shutting down.
+ */
+ 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);
/* Calling the cleanup functions in the same order as in the mdt_init0
* error path
*/
- mdt_procfs_fini(m);
+ mdt_tunables_fini(m);
target_recovery_fini(obd);
upcall_cache_cleanup(m->mdt_identity_cache);
mdt_hsm_cdt_fini(m);
+ if (m->mdt_los != NULL) {
+ local_oid_storage_fini(env, m->mdt_los);
+ m->mdt_los = NULL;
+ }
+
if (m->mdt_namespace != NULL) {
ldlm_namespace_free_post(m->mdt_namespace);
d->ld_obd->obd_namespace = m->mdt_namespace = NULL;
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;
+ struct lu_fid fid;
+ 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_OLD;
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 = ALWAYS_DOM_LOCK_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_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_squash.rsi_lock);
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 = 1;
+ m->mdt_enable_striped_dir = 1;
+ m->mdt_enable_dir_migration = 1;
m->mdt_enable_remote_dir_gid = 0;
+ m->mdt_enable_chprojid_gid = 0;
+ m->mdt_enable_remote_rename = 1;
atomic_set(&m->mdt_mds_mds_conns, 0);
atomic_set(&m->mdt_async_commit_count, 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;
-
- 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);
- }
+ ldlm_register_intent(m->mdt_namespace, mdt_intent_policy);
+ /* set obd_namespace for compatibility with old code */
+ obd->obd_namespace = m->mdt_namespace;
rc = tgt_init(env, &m->mdt_lut, obd, m->mdt_bottom, mdt_common_slice,
OBD_FAIL_MDS_ALL_REQUEST_NET,
OBD_FAIL_MDS_ALL_REPLY_NET);
if (rc)
- GOTO(err_free_hsm, rc);
+ 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;
+
+ 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);
+ 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);
+
+ rc = mdt_hsm_cdt_init(m);
+ if (rc != 0) {
+ CERROR("%s: error initializing coordinator, rc %d\n",
+ mdt_obd_name(m), rc);
+ GOTO(err_los_fini, rc);
+ }
+
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. */
if (IS_ERR(m->mdt_identity_cache)) {
rc = PTR_ERR(m->mdt_identity_cache);
m->mdt_identity_cache = NULL;
- GOTO(err_fs_cleanup, rc);
+ GOTO(err_free_hsm, 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_tunables_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);
+ mdt_tunables_fini(m);
err_recovery:
- target_recovery_fini(obd);
upcall_cache_cleanup(m->mdt_identity_cache);
m->mdt_identity_cache = NULL;
+err_free_hsm:
+ mdt_hsm_cdt_fini(m);
+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;
+ target_recovery_fini(obd);
+ obd_exports_barrier(obd);
+ obd_zombie_barrier();
tgt_fini(env, &m->mdt_lut);
-err_free_hsm:
- mdt_hsm_cdt_fini(m);
err_free_ns:
ldlm_namespace_free(m->mdt_namespace, NULL, 0);
obd->obd_namespace = m->mdt_namespace = NULL;
switch (cfg->lcfg_command) {
case LCFG_PARAM: {
- struct obd_device *obd = d->ld_obd;
-
+ struct obd_device *obd = d->ld_obd;
/* For interoperability */
- struct cfg_interop_param *ptr = NULL;
- struct lustre_cfg *old_cfg = NULL;
- char *param = NULL;
+ struct cfg_interop_param *ptr = NULL;
+ struct lustre_cfg *old_cfg = NULL;
+ char *param = NULL;
+ ssize_t count;
param = lustre_cfg_string(cfg, 1);
if (param == NULL) {
}
}
- rc = class_process_proc_param(PARAM_MDT, obd->obd_vars,
- cfg, obd);
- if (rc > 0 || rc == -ENOSYS) {
+ count = class_modify_config(cfg, PARAM_MDT,
+ &obd->obd_kset.kobj);
+ if (count < 0) {
+ struct coordinator *cdt = &m->mdt_coordinator;
+
/* is it an HSM var ? */
- rc = class_process_proc_param(PARAM_HSM,
- hsm_cdt_get_proc_vars(),
- cfg, obd);
- if (rc > 0 || rc == -ENOSYS)
+ count = class_modify_config(cfg, PARAM_HSM,
+ &cdt->cdt_hsm_kobj);
+ if (count < 0)
/* we don't understand; pass it on */
rc = next->ld_ops->ldo_process_config(env, next,
cfg);
+ else
+ rc = count > 0 ? 0 : count;
+ } else {
+ rc = count > 0 ? 0 : count;
}
- 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:
lu_object_add_top(h, o);
o->lo_ops = &mdt_obj_ops;
spin_lock_init(&mo->mot_write_lock);
+ mutex_init(&mo->mot_som_mutex);
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);
* \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)
{
+ const char *obd_name = mdt_obd_name(mdt);
LASSERT(data != NULL);
data->ocd_connect_flags &= MDT_CONNECT_SUPPORTED;
data->ocd_ibits_known &= MDS_INODELOCK_FULL;
- if (!(data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
- !(data->ocd_connect_flags & OBD_CONNECT_IBITS)) {
- CWARN("%s: client %s does not support ibits lock, either "
- "very old or an invalid client: flags %#llx\n",
- mdt_obd_name(mdt), exp->exp_client_uuid.uuid,
- data->ocd_connect_flags);
- return -EBADE;
- }
-
if (!mdt->mdt_opts.mo_acl)
data->ocd_connect_flags &= ~OBD_CONNECT_ACL;
data->ocd_connect_flags &= ~OBD_CONNECT_XATTR;
if (OCD_HAS_FLAG(data, BRW_SIZE)) {
- data->ocd_brw_size = min(data->ocd_brw_size, MD_MAX_BRW_SIZE);
+ 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",
- mdt_obd_name(mdt),
- exp->exp_client_uuid.uuid,
+ obd_name, exp->exp_client_uuid.uuid,
exp, data->ocd_connect_flags, data->ocd_version,
data->ocd_grant, data->ocd_index);
return -EPROTO;
}
}
+ 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;
+ }
+
+ /* 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. */
+ exp->exp_connect_data = *data;
+ if (OCD_HAS_FLAG(data, GRANT))
+ 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
if ((data->ocd_connect_flags & OBD_CONNECT_FID) == 0) {
CWARN("%s: MDS requires FID support, but client not\n",
- mdt_obd_name(mdt));
+ obd_name);
return -EBADE;
}
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);
+
+ 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_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;
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;
/* Remove mfd handle so it can't be found again.
* We are consuming the mfd_list reference here. */
- class_handle_unhash(&mfd->mfd_handle);
+ class_handle_unhash(&mfd->mfd_open_handle);
list_move_tail(&mfd->mfd_list, &closing_list);
}
spin_unlock(&med->med_open_lock);
* archive request into a noop if it's not actually
* dirty.
*/
- if (mfd->mfd_mode & FMODE_WRITE)
+ if (mfd->mfd_open_flags & MDS_FMODE_WRITE)
rc = mdt_ctxt_add_dirty_flag(&env, info, mfd);
/* Don't unlink orphan on failover umount, LU-184 */
- if (exp->exp_obd->obd_fail) {
+ if (exp->exp_flags & OBD_OPT_FAILOVER) {
ma->ma_valid = MA_FLAGS;
ma->ma_attr_flags |= MDS_KEEP_ORPHAN;
}
- mdt_mfd_close(info, mfd);
- }
- }
- info->mti_mdt = NULL;
- /* cleanup client slot early */
- tgt_client_del(&env, exp);
+ ma->ma_valid |= MA_FORCE_LOG;
+ mdt_mfd_close(info, mfd);
+ }
+ }
+ info->mti_mdt = NULL;
+ /* cleanup client slot early */
+ /* 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 == NEVER_SYNC_ON_CANCEL)
- mdt->mdt_lut.lut_sync_lock_cancel = BLOCKING_SYNC_ON_CANCEL;
+ 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 == BLOCKING_SYNC_ON_CANCEL)
- mdt->mdt_lut.lut_sync_lock_cancel = NEVER_SYNC_ON_CANCEL;
+ if (mdt->mdt_lut.lut_sync_lock_cancel == SYNC_LOCK_CANCEL_BLOCKING)
+ mdt->mdt_lut.lut_sync_lock_cancel = SYNC_LOCK_CANCEL_NEVER;
}
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
exp->exp_connecting = 1;
spin_unlock(&exp->exp_lock);
+ OBD_ALLOC(exp->exp_used_slots,
+ BITS_TO_LONGS(OBD_MAX_RIF_MAX) * sizeof(long));
+ 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)))
err_free:
tgt_client_free(exp);
err:
+ OBD_FREE(exp->exp_used_slots,
+ BITS_TO_LONGS(OBD_MAX_RIF_MAX) * sizeof(long));
+ exp->exp_used_slots = NULL;
+
CERROR("%s: Failed to initialize export: rc = %d\n",
exp->exp_obd->obd_name, rc);
return rc;
ENTRY;
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,
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);
}
return rc;
}
-static struct obd_ops mdt_obd_device_ops = {
+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_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,
* \param mdt mdt device
* \param val 0 disables COS, other values enable COS
*/
-void mdt_enable_cos(struct mdt_device *mdt, int val)
+void mdt_enable_cos(struct mdt_device *mdt, bool val)
{
struct lu_env env;
int rc;
- mdt->mdt_opts.mo_cos = !!val;
+ mdt->mdt_opts.mo_cos = val;
rc = lu_env_init(&env, LCT_LOCAL);
if (unlikely(rc != 0)) {
CWARN("%s: lu_env initialization failed, cannot "
{
int rc;
- CLASSERT(sizeof("0x0123456789ABCDEF:0x01234567:0x01234567") ==
- FID_NOBRACE_LEN + 1);
- CLASSERT(sizeof("[0x0123456789ABCDEF:0x01234567:0x01234567]") ==
- FID_LEN + 1);
+ BUILD_BUG_ON(sizeof("0x0123456789ABCDEF:0x01234567:0x01234567") !=
+ FID_NOBRACE_LEN + 1);
+ BUILD_BUG_ON(sizeof("[0x0123456789ABCDEF:0x01234567:0x01234567]") !=
+ FID_LEN + 1);
rc = lu_kmem_init(mdt_caches);
if (rc)
return rc;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff