tree 9c1b67be5d16a24d5c613ecb8e3804c7ff3994da
parent 967bb77c69e3bc44dd1128a8b503a205cce3fd4a
author Eric Sandeen <sandeen@redhat.com> 1171100776 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1171219894 -0800

[PATCH] return ENOENT from ext3_link when racing with unlink

Return -ENOENT from ext[34]_link if we've raced with unlink and i_nlink is
0.  Doing otherwise has the potential to corrupt the orphan inode list,
because we'd wind up with an inode with a non-zero link count on the list,
and it will never get properly cleaned up & removed from the orphan list
before it is freed.

[akpm@osdl.org: build fix]
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>