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>

diff --git a/fs/dcache.c b/fs/dcache.c
index 1fcffebfb44fb689a49e5f07006237ff6acc2149..75659a6fd1f80848a88d8c861e499540fd3c614e 100644 (file)
--- a/fs/dcache.c
+++ b/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);