diff options
| author | Christoph Hellwig <hch@infradead.org> | 2010-03-12 09:42:04 +1100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-26 07:41:15 -0700 |
| commit | 55f45642032bebb04d56e41b33122de5449cb41d (patch) | |
| tree | 4f3b95051b23e1304117bd2f35f605e3ef5f464e /fs/xfs | |
| parent | b3e6e64f48177a32c07364e4c699ae4db0ff7807 (diff) | |
xfs: check for not fully initialized inodes in xfs_ireclaim
commit b44b1126279b60597f96bbe77507b1650f88a969 upstream
Add an assert for inodes not added to the inode cache in xfs_ireclaim,
to make sure we're not going to introduce something like the
famous nfsd inode cache bug again.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_iget.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 80e526489be5..40e87756cbbe 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -511,17 +511,21 @@ xfs_ireclaim( { struct xfs_mount *mp = ip->i_mount; struct xfs_perag *pag; + xfs_agino_t agino = XFS_INO_TO_AGINO(mp, ip->i_ino); XFS_STATS_INC(xs_ig_reclaims); /* - * Remove the inode from the per-AG radix tree. It doesn't matter - * if it was never added to it because radix_tree_delete can deal - * with that case just fine. + * Remove the inode from the per-AG radix tree. + * + * Because radix_tree_delete won't complain even if the item was never + * added to the tree assert that it's been there before to catch + * problems with the inode life time early on. */ pag = xfs_get_perag(mp, ip->i_ino); write_lock(&pag->pag_ici_lock); - radix_tree_delete(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ip->i_ino)); + if (!radix_tree_delete(&pag->pag_ici_root, agino)) + ASSERT(0); write_unlock(&pag->pag_ici_lock); xfs_put_perag(mp, pag); |