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authorChristoph Hellwig <hch@lst.de>2010-10-23 13:09:06 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2010-10-26 03:26:10 +0200
commitf7899bd5472e8e99741369b4a32eca44e5282a85 (patch)
tree01297ddbb1bbeb0409f4f6bba81fbb3150794033
parentfs: Stop abusing find_inode_fast in iunique (diff)
downloadlinux-f7899bd5472e8e99741369b4a32eca44e5282a85.tar.xz
linux-f7899bd5472e8e99741369b4a32eca44e5282a85.zip
fs: move i_count increments into find_inode/find_inode_fast
Now that iunique is not abusing find_inode anymore we can move the i_ref increment back to where it belongs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to '')
-rw-r--r--fs/inode.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/fs/inode.c b/fs/inode.c
index a8035e8576df..78c41c626cdc 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -634,9 +634,6 @@ static struct shrinker icache_shrinker = {
static void __wait_on_freeing_inode(struct inode *inode);
/*
* Called with the inode lock held.
- * NOTE: we are not increasing the inode-refcount, you must call __iget()
- * by hand after calling find_inode now! This simplifies iunique and won't
- * add any additional branch in the common code.
*/
static struct inode *find_inode(struct super_block *sb,
struct hlist_head *head,
@@ -656,9 +653,10 @@ repeat:
__wait_on_freeing_inode(inode);
goto repeat;
}
- break;
+ __iget(inode);
+ return inode;
}
- return node ? inode : NULL;
+ return NULL;
}
/*
@@ -681,9 +679,10 @@ repeat:
__wait_on_freeing_inode(inode);
goto repeat;
}
- break;
+ __iget(inode);
+ return inode;
}
- return node ? inode : NULL;
+ return NULL;
}
static inline void
@@ -828,7 +827,6 @@ static struct inode *get_new_inode(struct super_block *sb,
* us. Use the old inode instead of the one we just
* allocated.
*/
- __iget(old);
spin_unlock(&inode_lock);
destroy_inode(inode);
inode = old;
@@ -875,7 +873,6 @@ static struct inode *get_new_inode_fast(struct super_block *sb,
* us. Use the old inode instead of the one we just
* allocated.
*/
- __iget(old);
spin_unlock(&inode_lock);
destroy_inode(inode);
inode = old;
@@ -989,7 +986,6 @@ static struct inode *ifind(struct super_block *sb,
spin_lock(&inode_lock);
inode = find_inode(sb, head, test, data);
if (inode) {
- __iget(inode);
spin_unlock(&inode_lock);
if (likely(wait))
wait_on_inode(inode);
@@ -1022,7 +1018,6 @@ static struct inode *ifind_fast(struct super_block *sb,
spin_lock(&inode_lock);
inode = find_inode_fast(sb, head, ino);
if (inode) {
- __iget(inode);
spin_unlock(&inode_lock);
wait_on_inode(inode);
return inode;