GFS2: Add initialization for address space in super block

Spotted by Andy Price. This should fix the odd messages from
lockdep caused by 70d4ee94b370c5ef54d0870600f16bd92d18013c

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: Andrew Price <anprice@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 94aab31477b6..3b820b672d17 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -102,6 +102,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
 
         mapping = &sdp->sd_aspace;
 
+        address_space_init_once(mapping);
         mapping->a_ops = &gfs2_meta_aops;
         mapping->host = sb->s_bdev->bd_inode;
         mapping->flags = 0;