Commit f3c6ba98 authored by Kentaro Makita's avatar Kentaro Makita Committed by Linus Torvalds

vfs: add cond_resched_lock while scanning dentry LRU lists

Add cond_resched_lock(&dcache_lock) while scanning LRU lists on
superblocks in __shrink_dcache_sb()
Signed-off-by: default avatarKentaro Makita <k-makita@np.css.fujitsu.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a76eef95
...@@ -487,6 +487,7 @@ static void __shrink_dcache_sb(struct super_block *sb, int *count, int flags) ...@@ -487,6 +487,7 @@ static void __shrink_dcache_sb(struct super_block *sb, int *count, int flags)
if (!cnt) if (!cnt)
break; break;
} }
cond_resched_lock(&dcache_lock);
} }
} }
while (!list_empty(&tmp)) { while (!list_empty(&tmp)) {
......
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