From f5e1dd34561e0fb06400b378d595198918833021 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Wed, 28 Aug 2013 10:18:18 +1000 Subject: [PATCH] super: fix for destroy lrus This patch adds the missing call to list_lru_destroy (spotted by Li Zhong) and moves the deletion to after the shrinker is unregistered, as correctly spotted by Dave Signed-off-by: Glauber Costa Cc: Michal Hocko Cc: Dave Chinner Signed-off-by: Andrew Morton Signed-off-by: Al Viro --- fs/super.c | 3 +++ fs/xfs/xfs_buf.c | 2 +- fs/xfs/xfs_qm.c | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/super.c b/fs/super.c index 269d96857caa..3a96c9783a8b 100644 --- a/fs/super.c +++ b/fs/super.c @@ -323,6 +323,9 @@ void deactivate_locked_super(struct super_block *s) /* caches are now gone, we can safely kill the shrinker now */ unregister_shrinker(&s->s_shrink); + list_lru_destroy(&s->s_dentry_lru); + list_lru_destroy(&s->s_inode_lru); + put_filesystem(fs); put_super(s); } else { diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 49fdb7bed481..263470075ea2 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1592,8 +1592,8 @@ xfs_free_buftarg( struct xfs_mount *mp, struct xfs_buftarg *btp) { - list_lru_destroy(&btp->bt_lru); unregister_shrinker(&btp->bt_shrinker); + list_lru_destroy(&btp->bt_lru); if (mp->m_flags & XFS_MOUNT_BARRIER) xfs_blkdev_issue_flush(btp); diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 7f4138629a80..3e6c2e6c9cd2 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -940,8 +940,8 @@ xfs_qm_destroy_quotainfo( qi = mp->m_quotainfo; ASSERT(qi != NULL); - list_lru_destroy(&qi->qi_lru); unregister_shrinker(&qi->qi_shrinker); + list_lru_destroy(&qi->qi_lru); if (qi->qi_uquotaip) { IRELE(qi->qi_uquotaip); -- 2.20.1