Commit c490d79b authored Apr 26, 2009 by npiggin@suse.de Committed by Al Viro May 09, 2009

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>

parent a731d12d

fs/dcache.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);