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fs: dcache fix LRU ordering

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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>
This commit is contained in:
npiggin@suse.de 2009-04-26 20:25:53 +10:00 committed by Al Viro
parent a731d12d6d
commit c490d79bb7
1 changed files with 1 additions and 1 deletions
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2
fs/dcache.c
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@ -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);