From c490d79bb70c549e096099576b1df40a8810b0d8 Mon Sep 17 00:00:00 2001
From: "npiggin@suse.de" <npiggin@suse.de>
Date: Sun, 26 Apr 2009 20:25:53 +1000
Subject: [PATCH] fs: dcache fix LRU ordering
Fix ordering of LRU when moving referenced dentries to the head of the list
(they should go to the head of the list in the same order as they were found
from the tail, rather than reverse order).
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/dcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/dcache.c b/fs/dcache.c
index 1fcffebfb44fb..75659a6fd1f80 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -481,7 +481,7 @@ static void __shrink_dcache_sb(struct super_block *sb, int *count, int flags)
if ((flags & DCACHE_REFERENCED)
&& (dentry->d_flags & DCACHE_REFERENCED)) {
dentry->d_flags &= ~DCACHE_REFERENCED;
- list_move_tail(&dentry->d_lru, &referenced);
+ list_move(&dentry->d_lru, &referenced);
spin_unlock(&dentry->d_lock);
} else {
list_move_tail(&dentry->d_lru, &tmp);
--
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