From cd56a39a59868911bbf8832725630c1cf43a7b09 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Wed, 28 Aug 2013 10:18:07 +1000
Subject: xfs: convert dquot cache lru to list_lru
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Convert the XFS dquot lru to use the list_lru construct and convert the
shrinker to being node aware.

[glommer@openvz.org: edited for conflicts + warning fixes]
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Glauber Costa <glommer@openvz.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: Arve Hjønnevåg <arve@android.com>
Cc: Carlos Maiolino <cmaiolino@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Rientjes <rientjes@google.com>
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: J. Bruce Fields <bfields@redhat.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Kent Overstreet <koverstreet@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/xfs/xfs_dquot.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

(limited to 'fs/xfs/xfs_dquot.c')

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 251c66632e5e..71520e6e5d65 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -940,13 +940,8 @@ xfs_qm_dqput_final(
 
 	trace_xfs_dqput_free(dqp);
 
-	mutex_lock(&qi->qi_lru_lock);
-	if (list_empty(&dqp->q_lru)) {
-		list_add_tail(&dqp->q_lru, &qi->qi_lru_list);
-		qi->qi_lru_count++;
+	if (list_lru_add(&qi->qi_lru, &dqp->q_lru))
 		XFS_STATS_INC(xs_qm_dquot_unused);
-	}
-	mutex_unlock(&qi->qi_lru_lock);
 
 	/*
 	 * If we just added a udquot to the freelist, then we want to release
-- 
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