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| author | Christoph Hellwig <hch@lst.de> | 2007-02-20 13:58:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-20 17:10:15 -0800 |
| commit | 2be3c79046cf90d75d436708a4e0898c7a1f9d51 (patch) | |
| tree | 2a5727bb2a4132af009afc24e54661dd32d3efe2 /fs/affs/inode.c | |
| parent | c9ffec48487849bc277de662a6c29aad64653b99 (diff) | |
| download | linux-2be3c79046cf90d75d436708a4e0898c7a1f9d51.tar.gz linux-2be3c79046cf90d75d436708a4e0898c7a1f9d51.tar.bz2 linux-2be3c79046cf90d75d436708a4e0898c7a1f9d51.zip | |
[PATCH] affs: implement ->drop_inode
affs wants to truncate the inode when the last user goes away, currently it
does that through a potentially racy i_count check in ->put_inode. But we
already have a method that's called just after the we dropped the last
reference, ->drop_inode. This patch implements affs_drop_inode to take
advantage of this.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/affs/inode.c')
| -rw-r--r-- | fs/affs/inode.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/affs/inode.c b/fs/affs/inode.c index fce6848a4641..c5b9d73c084a 100644 --- a/fs/affs/inode.c +++ b/fs/affs/inode.c @@ -243,12 +243,17 @@ affs_put_inode(struct inode *inode) { pr_debug("AFFS: put_inode(ino=%lu, nlink=%u)\n", inode->i_ino, inode->i_nlink); affs_free_prealloc(inode); - if (atomic_read(&inode->i_count) == 1) { - mutex_lock(&inode->i_mutex); - if (inode->i_size != AFFS_I(inode)->mmu_private) - affs_truncate(inode); - mutex_unlock(&inode->i_mutex); - } +} + +void +affs_drop_inode(struct inode *inode) +{ + mutex_lock(&inode->i_mutex); + if (inode->i_size != AFFS_I(inode)->mmu_private) + affs_truncate(inode); + mutex_unlock(&inode->i_mutex); + + generic_drop_inode(inode); } void |