diff options
author | Krutika Dhananjay <kdhananj@redhat.com> | 2017-02-28 15:52:49 +0530 |
---|---|---|
committer | jiffin tony Thottan <jthottan@redhat.com> | 2017-04-04 06:25:12 -0400 |
commit | 8b8098ed5c6e0f5a82d89c9d5f22bd7b17d6a882 (patch) | |
tree | 104651a9ce114e7db481adf272a9d8b4a48c0c14 /xlators/storage/posix/src/posix.c | |
parent | 5e1324fffebbf6a650d6aff33849a8362300c1cc (diff) |
storage/posix: Use granular mutex locks for pgfid update syscalls
Backport of: https://review.gluster.org/16869
Change-Id: I5c48b3be3f39bb8f951d33e2729522605384d1ff
BUG: 1427390
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: https://review.gluster.org/16893
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Diffstat (limited to 'xlators/storage/posix/src/posix.c')
-rw-r--r-- | xlators/storage/posix/src/posix.c | 62 |
1 files changed, 51 insertions, 11 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c index de995b980d0..200a740a09c 100644 --- a/xlators/storage/posix/src/posix.c +++ b/xlators/storage/posix/src/posix.c @@ -137,6 +137,7 @@ posix_forget (xlator_t *this, inode_t *inode) out: pthread_mutex_destroy (&ctx->xattrop_lock); pthread_mutex_destroy (&ctx->write_atomic_lock); + pthread_mutex_destroy (&ctx->pgfid_lock); GF_FREE (ctx); return ret; } @@ -159,6 +160,7 @@ posix_lookup (call_frame_t *frame, xlator_t *this, char *pgfid_xattr_key = NULL; int32_t nlink_samepgfid = 0; struct posix_private *priv = NULL; + posix_inode_ctx_t *ctx = NULL; VALIDATE_OR_GOTO (frame, out); VALIDATE_OR_GOTO (this, out); @@ -218,7 +220,14 @@ posix_lookup (call_frame_t *frame, xlator_t *this, PGFID_XATTR_KEY_PREFIX, loc->pargfid); - LOCK (&loc->inode->lock); + op_ret = posix_inode_ctx_get_all (loc->inode, this, + &ctx); + if (op_ret < 0) { + op_errno = ENOMEM; + goto out; + } + + pthread_mutex_lock (&ctx->pgfid_lock); { SET_PGFID_XATTR_IF_ABSENT (real_path, pgfid_xattr_key, @@ -227,7 +236,7 @@ posix_lookup (call_frame_t *frame, xlator_t *this, this, unlock); } unlock: - UNLOCK (&loc->inode->lock); + pthread_mutex_unlock (&ctx->pgfid_lock); } } @@ -1924,6 +1933,7 @@ posix_unlink (call_frame_t *frame, xlator_t *this, char uuid_str[GF_UUID_BUF_SIZE] = {0}; char gfid_str[GF_UUID_BUF_SIZE] = {0}; gf_boolean_t get_link_count = _gf_false; + posix_inode_ctx_t *ctx = NULL; DECLARE_OLD_FS_ID_VAR; @@ -2027,14 +2037,19 @@ posix_unlink (call_frame_t *frame, xlator_t *this, if (priv->update_pgfid_nlinks && (stbuf.ia_nlink > 1)) { MAKE_PGFID_XATTR_KEY (pgfid_xattr_key, PGFID_XATTR_KEY_PREFIX, loc->pargfid); - LOCK (&loc->inode->lock); + op_ret = posix_inode_ctx_get_all (loc->inode, this, &ctx); + if (op_ret < 0) { + op_errno = ENOMEM; + goto out; + } + pthread_mutex_lock (&ctx->pgfid_lock); { UNLINK_MODIFY_PGFID_XATTR (real_path, pgfid_xattr_key, nlink_samepgfid, 0, op_ret, this, unlock); } unlock: - UNLOCK (&loc->inode->lock); + pthread_mutex_unlock (&ctx->pgfid_lock); if (op_ret < 0) { gf_msg (this->name, GF_LOG_WARNING, 0, @@ -2389,6 +2404,8 @@ posix_rename (call_frame_t *frame, xlator_t *this, dict_t *unwind_dict = NULL; gf_boolean_t locked = _gf_false; gf_boolean_t get_link_count = _gf_false; + posix_inode_ctx_t *ctx_old = NULL; + posix_inode_ctx_t *ctx_new = NULL; DECLARE_OLD_FS_ID_VAR; @@ -2471,10 +2488,26 @@ posix_rename (call_frame_t *frame, xlator_t *this, goto out; } + op_ret = posix_inode_ctx_get_all (oldloc->inode, this, &ctx_old); + if (op_ret < 0) { + op_ret = -1; + op_errno = ENOMEM; + goto out; + } + + if (newloc->inode) { + op_ret = posix_inode_ctx_get_all (newloc->inode, this, &ctx_new); + if (op_ret < 0) { + op_ret = -1; + op_errno = ENOMEM; + goto out; + } + } + if (IA_ISDIR (oldloc->inode->ia_type)) posix_handle_unset (this, oldloc->inode->gfid, NULL); - LOCK (&oldloc->inode->lock); + pthread_mutex_lock (&ctx_old->pgfid_lock); { if (!IA_ISDIR (oldloc->inode->ia_type) && priv->update_pgfid_nlinks) { @@ -2490,7 +2523,7 @@ posix_rename (call_frame_t *frame, xlator_t *this, if ((xdata) && (dict_get (xdata, GET_LINK_COUNT)) && (real_newpath) && (was_present)) { - LOCK (&newloc->inode->lock); + pthread_mutex_lock (&ctx_new->pgfid_lock); locked = _gf_true; get_link_count = _gf_true; op_ret = posix_pstat (this, newloc->gfid, real_newpath, @@ -2532,7 +2565,7 @@ posix_rename (call_frame_t *frame, xlator_t *this, } if (locked) { - UNLOCK (&newloc->inode->lock); + pthread_mutex_unlock (&ctx_new->pgfid_lock); locked = _gf_false; } @@ -2557,10 +2590,10 @@ posix_rename (call_frame_t *frame, xlator_t *this, } unlock: if (locked) { - UNLOCK (&newloc->inode->lock); + pthread_mutex_unlock (&ctx_new->pgfid_lock); locked = _gf_false; } - UNLOCK (&oldloc->inode->lock); + pthread_mutex_unlock (&ctx_old->pgfid_lock); if (op_ret < 0) { gf_msg (this->name, GF_LOG_WARNING, 0, P_MSG_XATTR_FAILED, @@ -2641,6 +2674,7 @@ posix_link (call_frame_t *frame, xlator_t *this, int32_t nlink_samepgfid = 0; char *pgfid_xattr_key = NULL; gf_boolean_t entry_created = _gf_false; + posix_inode_ctx_t *ctx = NULL; DECLARE_OLD_FS_ID_VAR; @@ -2707,14 +2741,20 @@ posix_link (call_frame_t *frame, xlator_t *this, MAKE_PGFID_XATTR_KEY (pgfid_xattr_key, PGFID_XATTR_KEY_PREFIX, newloc->pargfid); - LOCK (&newloc->inode->lock); + op_ret = posix_inode_ctx_get_all (newloc->inode, this, &ctx); + if (op_ret < 0) { + op_errno = ENOMEM; + goto out; + } + + pthread_mutex_lock (&ctx->pgfid_lock); { LINK_MODIFY_PGFID_XATTR (real_newpath, pgfid_xattr_key, nlink_samepgfid, 0, op_ret, this, unlock); } unlock: - UNLOCK (&newloc->inode->lock); + pthread_mutex_unlock (&ctx->pgfid_lock); if (op_ret < 0) { gf_msg (this->name, GF_LOG_WARNING, 0, |