diff options
author | Christoph Hellwig <hch@lst.de> | 2010-10-23 07:09:06 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-25 21:26:10 -0400 |
commit | f7899bd5472e8e99741369b4a32eca44e5282a85 (patch) | |
tree | 01297ddbb1bbeb0409f4f6bba81fbb3150794033 /fs | |
parent | ad5e195ac9fdf4e2b28b8cf14937e5b9384dac2e (diff) |
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 'fs')
-rw-r--r-- | fs/inode.c | 17 |
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 = { | |||
634 | static void __wait_on_freeing_inode(struct inode *inode); | 634 | static void __wait_on_freeing_inode(struct inode *inode); |
635 | /* | 635 | /* |
636 | * Called with the inode lock held. | 636 | * Called with the inode lock held. |
637 | * NOTE: we are not increasing the inode-refcount, you must call __iget() | ||
638 | * by hand after calling find_inode now! This simplifies iunique and won't | ||
639 | * add any additional branch in the common code. | ||
640 | */ | 637 | */ |
641 | static struct inode *find_inode(struct super_block *sb, | 638 | static struct inode *find_inode(struct super_block *sb, |
642 | struct hlist_head *head, | 639 | struct hlist_head *head, |
@@ -656,9 +653,10 @@ repeat: | |||
656 | __wait_on_freeing_inode(inode); | 653 | __wait_on_freeing_inode(inode); |
657 | goto repeat; | 654 | goto repeat; |
658 | } | 655 | } |
659 | break; | 656 | __iget(inode); |
657 | return inode; | ||
660 | } | 658 | } |
661 | return node ? inode : NULL; | 659 | return NULL; |
662 | } | 660 | } |
663 | 661 | ||
664 | /* | 662 | /* |
@@ -681,9 +679,10 @@ repeat: | |||
681 | __wait_on_freeing_inode(inode); | 679 | __wait_on_freeing_inode(inode); |
682 | goto repeat; | 680 | goto repeat; |
683 | } | 681 | } |
684 | break; | 682 | __iget(inode); |
683 | return inode; | ||
685 | } | 684 | } |
686 | return node ? inode : NULL; | 685 | return NULL; |
687 | } | 686 | } |
688 | 687 | ||
689 | static inline void | 688 | static inline void |
@@ -828,7 +827,6 @@ static struct inode *get_new_inode(struct super_block *sb, | |||
828 | * us. Use the old inode instead of the one we just | 827 | * us. Use the old inode instead of the one we just |
829 | * allocated. | 828 | * allocated. |
830 | */ | 829 | */ |
831 | __iget(old); | ||
832 | spin_unlock(&inode_lock); | 830 | spin_unlock(&inode_lock); |
833 | destroy_inode(inode); | 831 | destroy_inode(inode); |
834 | inode = old; | 832 | inode = old; |
@@ -875,7 +873,6 @@ static struct inode *get_new_inode_fast(struct super_block *sb, | |||
875 | * us. Use the old inode instead of the one we just | 873 | * us. Use the old inode instead of the one we just |
876 | * allocated. | 874 | * allocated. |
877 | */ | 875 | */ |
878 | __iget(old); | ||
879 | spin_unlock(&inode_lock); | 876 | spin_unlock(&inode_lock); |
880 | destroy_inode(inode); | 877 | destroy_inode(inode); |
881 | inode = old; | 878 | inode = old; |
@@ -989,7 +986,6 @@ static struct inode *ifind(struct super_block *sb, | |||
989 | spin_lock(&inode_lock); | 986 | spin_lock(&inode_lock); |
990 | inode = find_inode(sb, head, test, data); | 987 | inode = find_inode(sb, head, test, data); |
991 | if (inode) { | 988 | if (inode) { |
992 | __iget(inode); | ||
993 | spin_unlock(&inode_lock); | 989 | spin_unlock(&inode_lock); |
994 | if (likely(wait)) | 990 | if (likely(wait)) |
995 | wait_on_inode(inode); | 991 | wait_on_inode(inode); |
@@ -1022,7 +1018,6 @@ static struct inode *ifind_fast(struct super_block *sb, | |||
1022 | spin_lock(&inode_lock); | 1018 | spin_lock(&inode_lock); |
1023 | inode = find_inode_fast(sb, head, ino); | 1019 | inode = find_inode_fast(sb, head, ino); |
1024 | if (inode) { | 1020 | if (inode) { |
1025 | __iget(inode); | ||
1026 | spin_unlock(&inode_lock); | 1021 | spin_unlock(&inode_lock); |
1027 | wait_on_inode(inode); | 1022 | wait_on_inode(inode); |
1028 | return inode; | 1023 | return inode; |