diff options
| author | Vikas Gorur <vikas@gluster.com> | 2009-10-29 09:09:15 +0000 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2009-10-29 09:32:29 -0700 |
| commit | 6e2dba2c418cd09206b390fad0f413fc287b93ee (patch) | |
| tree | 535a7d5e4d948ca03f128da491f60689bfcfecd9 /xlators | |
| parent | c555dcbb3a41f47149035c1d9ea95f67812db8c8 (diff) | |
protocol/server, mount/fuse: Handle returned inode in create properly
Check if linked_inode is different from returned inode in create,
and if so, make the fd point to the correct inode.
Signed-off-by: Vikas Gorur <vikas@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 347 (Assertion failed: inode->ref)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=347
Diffstat (limited to 'xlators')
| -rw-r--r-- | xlators/mount/fuse/src/fuse-bridge.c | 19 | ||||
| -rw-r--r-- | xlators/protocol/server/src/server-protocol.c | 19 |
2 files changed, 32 insertions, 6 deletions
diff --git a/xlators/mount/fuse/src/fuse-bridge.c b/xlators/mount/fuse/src/fuse-bridge.c index b8a91fa0a..5e7e1f4d4 100644 --- a/xlators/mount/fuse/src/fuse-bridge.c +++ b/xlators/mount/fuse/src/fuse-bridge.c @@ -1677,22 +1677,29 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, buf->st_blksize = this->ctx->page_size; stat2attr (buf, &feo.attr); - inode_link (inode, state->loc.parent, - state->loc.name, buf); - linked_inode = inode; + linked_inode = inode_link (inode, state->loc.parent, + state->loc.name, buf); if (linked_inode != inode) { - gf_log ("glusterfs-fuse", GF_LOG_ERROR, + gf_log ("glusterfs-fuse", GF_LOG_DEBUG, "create(%s) inode (ptr=%p, ino=%"PRId64", " "gen=%"PRId64") found conflict (ptr=%p, " "ino=%"PRId64", gen=%"PRId64")", state->loc.path, inode, inode->ino, inode->generation, linked_inode, linked_inode->ino, linked_inode->generation); + + /* + VERY racy code (if used anywhere else) + -- don't do this without understanding + */ + inode_unref (fd->inode); + fd->inode = inode_ref (linked_inode); } - inode_unref (linked_inode); - inode_lookup (inode); + inode_lookup (linked_inode); + + inode_unref (linked_inode); fd_ref (fd); diff --git a/xlators/protocol/server/src/server-protocol.c b/xlators/protocol/server/src/server-protocol.c index 1939d07f6..628609500 100644 --- a/xlators/protocol/server/src/server-protocol.c +++ b/xlators/protocol/server/src/server-protocol.c @@ -1825,6 +1825,25 @@ server_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, link_inode = inode_link (inode, state->loc.parent, state->loc.name, stbuf); + + if (link_inode != inode) { + gf_log (this->name, GF_LOG_DEBUG, + "create(%s) inode (ptr=%p, ino=%"PRId64", " + "gen=%"PRId64") found conflict (ptr=%p, " + "ino=%"PRId64", gen=%"PRId64")", + state->loc.path, inode, inode->ino, + inode->generation, link_inode, + link_inode->ino, link_inode->generation); + + /* + VERY racy code (if used anywhere else) + -- don't do this without understanding + */ + + inode_unref (fd->inode); + fd->inode = inode_ref (link_inode); + } + inode_lookup (link_inode); inode_unref (link_inode); |