[patch 01/14] fs: dcache fix LRU ordering

From: npiggin
Date: Sun Mar 29 2009 - 12:38:30 EST


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).
---
fs/dcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/fs/dcache.c
===================================================================
--- linux-2.6.orig/fs/dcache.c
+++ linux-2.6/fs/dcache.c
@@ -481,7 +481,7 @@ restart:
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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