/* It is the OI scrub updated the OI mapping by race.
* The new OI mapping must be valid. */
- if (saved_ino != id->oii_ino || saved_gen != id->oii_gen) {
+ if (saved_ino != id->oii_ino ||
+ (saved_gen != id->oii_gen && saved_gen != OSD_OII_NOGEN)) {
+ if (!IS_ERR(inode))
+ iput(inode);
+
trusted = true;
goto again;
}
* shouldn't never be re-used, if it's really a duplicate FID from
* unexpected reason, we should be able to detect it later by calling
* do_create->osd_oi_insert(). */
- if (conf != NULL && conf->loc_flags & LOC_F_NEW)
+ if (conf && conf->loc_flags & LOC_F_NEW)
GOTO(out, result = 0);
/* Search order: 1. per-thread cache. */
- if (lu_fid_eq(fid, &oic->oic_fid) &&
- likely(oic->oic_dev == dev)) {
+ if (lu_fid_eq(fid, &oic->oic_fid) && likely(oic->oic_dev == dev)) {
id = &oic->oic_lid;
goto iget;
}
if (!list_empty(&scrub->os_inconsistent_items)) {
/* Search order: 2. OI scrub pending list. */
result = osd_oii_lookup(dev, fid, id);
- if (result == 0)
+ if (!result)
goto iget;
}
goto trigger;
}
- if (result != 0)
+ if (result)
GOTO(out, result);
iget:
+ obj->oo_inode = NULL;
+ /* for later passes through checks, not true on first pass */
+ if (!IS_ERR_OR_NULL(inode))
+ iput(inode);
+
inode = osd_iget_check(info, dev, fid, id, trusted);
- if (IS_ERR(inode)) {
- result = PTR_ERR(inode);
- if (result == -ENOENT || result == -ESTALE)
- GOTO(out, result = 0);
+ if (!IS_ERR(inode)) {
+ obj->oo_inode = inode;
+ result = 0;
+ if (remote)
+ goto trigger;
- if (result == -EREMCHG) {
+ goto check_lma;
+ }
-trigger:
- /* We still have chance to get the valid inode: for the
- * object which is referenced by remote name entry, the
- * object on the local MDT will be linked under the dir
- * of "/REMOTE_PARENT_DIR" with its FID string as name.
- *
- * We do not know whether the object for the given FID
- * is referenced by some remote name entry or not, and
- * especially for DNE II, a multiple-linked object may
- * have many name entries reside on many MDTs.
- *
- * To simplify the operation, OSD will not distinguish
- * more, just lookup "/REMOTE_PARENT_DIR". Usually, it
- * only happened for the RPC from other MDT during the
- * OI scrub, or for the client side RPC with FID only,
- * such as FID to path, or from old connected client. */
- if (!remote &&
- !fid_is_on_ost(info, dev, fid, OI_CHECK_FLD)) {
- rc1 = osd_lookup_in_remote_parent(info, dev,
- fid, id);
- if (rc1 == 0) {
- remote = true;
- trusted = true;
- flags |= SS_AUTO_PARTIAL;
- flags &= ~SS_AUTO_FULL;
- goto iget;
- }
- }
+ result = PTR_ERR(inode);
+ if (result == -ENOENT || result == -ESTALE)
+ GOTO(out, result = 0);
- if (thread_is_running(&scrub->os_thread)) {
- if (scrub->os_partial_scan &&
- !scrub->os_in_join) {
- goto join;
- } else {
- if (inode != NULL && !IS_ERR(inode)) {
- LASSERT(remote);
-
- osd_add_oi_cache(info, dev, id,
- fid);
- osd_oii_insert(dev, oic, true);
- } else {
- result = -EINPROGRESS;
- }
- }
- } else if (!dev->od_noscrub) {
+ if (result != -EREMCHG)
+ GOTO(out, result);
-join:
- rc1 = osd_scrub_start(dev, flags);
- LCONSOLE_WARN("%s: trigger OI scrub by RPC "
- "for the "DFID" with flags 0x%x,"
- " rc = %d\n", osd_name(dev),
- PFID(fid), flags, rc1);
- if (rc1 == 0 || rc1 == -EALREADY) {
- if (inode != NULL && !IS_ERR(inode)) {
- LASSERT(remote);
-
- osd_add_oi_cache(info, dev, id,
- fid);
- osd_oii_insert(dev, oic, true);
- } else {
- result = -EINPROGRESS;
- }
- } else {
- result = -EREMCHG;
- }
- } else {
- result = -EREMCHG;
- }
+trigger:
+ /* We still have chance to get the valid inode: for the
+ * object which is referenced by remote name entry, the
+ * object on the local MDT will be linked under the dir
+ * of "/REMOTE_PARENT_DIR" with its FID string as name.
+ *
+ * We do not know whether the object for the given FID
+ * is referenced by some remote name entry or not, and
+ * especially for DNE II, a multiple-linked object may
+ * have many name entries reside on many MDTs.
+ *
+ * To simplify the operation, OSD will not distinguish
+ * more, just lookup "/REMOTE_PARENT_DIR". Usually, it
+ * only happened for the RPC from other MDT during the
+ * OI scrub, or for the client side RPC with FID only,
+ * such as FID to path, or from old connected client. */
+ if (!remote && !fid_is_on_ost(info, dev, fid, OI_CHECK_FLD)) {
+ rc1 = osd_lookup_in_remote_parent(info, dev, fid, id);
+ if (!rc1) {
+ remote = true;
+ trusted = true;
+ flags |= SS_AUTO_PARTIAL;
+ flags &= ~SS_AUTO_FULL;
+ goto iget;
}
+ }
- if (inode == NULL || IS_ERR(inode))
- GOTO(out, result);
- } else if (remote) {
- goto trigger;
+ if (thread_is_running(&scrub->os_thread)) {
+ if (scrub->os_partial_scan && !scrub->os_in_join)
+ goto join;
+
+ if (IS_ERR_OR_NULL(inode) || result)
+ GOTO(out, result = -EINPROGRESS);
+
+ LASSERT(remote);
+ LASSERT(obj->oo_inode == inode);
+
+ osd_add_oi_cache(info, dev, id, fid);
+ osd_oii_insert(dev, oic, true);
+ goto found;
+ }
+
+ if (dev->od_noscrub) {
+ if (!remote)
+ GOTO(out, result = -EREMCHG);
+
+ LASSERT(!result);
+ LASSERT(obj->oo_inode == inode);
+
+ osd_add_oi_cache(info, dev, id, fid);
+ goto found;
}
- obj->oo_inode = inode;
- LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
+join:
+ rc1 = osd_scrub_start(dev, flags);
+ LCONSOLE_WARN("%s: trigger OI scrub by RPC for the " DFID" with flags "
+ "0x%x, rc = %d\n", osd_name(dev), PFID(fid), flags, rc1);
+ if (rc1 && rc1 != -EALREADY)
+ GOTO(out, result = -EREMCHG);
+
+ if (IS_ERR_OR_NULL(inode) || result)
+ GOTO(out, result = -EINPROGRESS);
+ LASSERT(remote);
+ LASSERT(obj->oo_inode == inode);
+
+ osd_add_oi_cache(info, dev, id, fid);
+ osd_oii_insert(dev, oic, true);
+ goto found;
+
+check_lma:
result = osd_check_lma(env, obj);
- if (result == 0)
+ if (!result)
goto found;
LASSERTF(id->oii_ino == inode->i_ino &&
goto found;
result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
- if (result == 0) {
+ if (!result) {
/* The OI mapping is still there, the inode is still
* valid. It is just becaues the inode has no LMA EA. */
if (saved_ino == id->oii_ino &&
/* It is the OI scrub updated the OI mapping by race.
* The new OI mapping must be valid. */
- iput(inode);
- inode = NULL;
- obj->oo_inode = NULL;
trusted = true;
updated = true;
goto iget;
if (result == -ENOENT) {
LASSERT(trusted);
+ obj->oo_inode = NULL;
result = 0;
}
}
- iput(inode);
- inode = NULL;
- obj->oo_inode = NULL;
-
if (result != -EREMCHG)
GOTO(out, result);
if (result == -ENOENT) {
LASSERT(trusted);
+ obj->oo_inode = NULL;
GOTO(out, result = 0);
}
- if (result != 0)
+ if (result)
GOTO(out, result);
- if (saved_ino == id->oii_ino && saved_gen == id->oii_gen)
+ if (saved_ino == id->oii_ino && saved_gen == id->oii_gen) {
+ result = -EREMCHG;
goto trigger;
+ }
/* It is the OI scrub updated the OI mapping by race.
* The new OI mapping must be valid. */
osd_check_lmv(info, dev, inode, oic);
result = osd_attach_jinode(inode);
- if (result) {
- obj->oo_inode = NULL;
- iput(inode);
+ if (result)
GOTO(out, result);
- }
if (!ldiskfs_pdo)
GOTO(out, result = 0);
- LASSERT(obj->oo_hl_head == NULL);
+ LASSERT(!obj->oo_hl_head);
obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
- if (obj->oo_hl_head == NULL) {
- obj->oo_inode = NULL;
- iput(inode);
- GOTO(out, result = -ENOMEM);
- }
- GOTO(out, result = 0);
+
+ GOTO(out, result = (!obj->oo_hl_head ? -ENOMEM : 0));
out:
- if (result != 0 && trusted)
- fid_zero(&oic->oic_fid);
+ if (result || !obj->oo_inode) {
+ if (!IS_ERR_OR_NULL(inode))
+ iput(inode);
+
+ obj->oo_inode = NULL;
+ if (trusted)
+ fid_zero(&oic->oic_fid);
+ }
LINVRNT(osd_invariant(obj));
return result;
if (gen != OSD_OII_NOGEN)
goto trigger;
- iput(inode);
/* The inode may has been reused by others, we do not know,
* leave it to be handled by subsequent osd_fid_lookup(). */
- RETURN(0);
- } else if (rc != 0 || osd_id_eq(id, &oti->oti_id)) {
- RETURN(rc);
- } else {
- insert = false;
+ GOTO(out, rc = 0);
+ } else if (rc || osd_id_eq(id, &oti->oti_id)) {
+ GOTO(out, rc);
}
+ insert = false;
+
trigger:
if (thread_is_running(&scrub->os_thread)) {
if (inode == NULL) {
else
rc = osd_check_lmv(oti, dev, inode, oic);
- iput(inode);
- RETURN(rc);
+ GOTO(out, rc);
}
if (!dev->od_noscrub && ++once == 1) {
goto again;
}
- if (inode != NULL)
+ GOTO(out, rc);
+
+out:
+ if (inode)
iput(inode);
RETURN(rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff