From 95fe66de9f0de24f08e875a67722a3d612cd9f2f Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Wed, 12 Apr 2017 12:24:42 +0200
Subject: [PATCH] gfs2: Convert to properly refcounting bdi
Similarly to set_bdev_super() GFS2 just used block device reference to
bdi. Convert it to properly getting bdi reference. The reference will
get automatically dropped on superblock destruction.
CC: Steven Whitehouse <swhiteho@redhat.com>
CC: Bob Peterson <rpeterso@redhat.com>
CC: cluster-devel@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
---
fs/gfs2/ops_fstype.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index b108e7ba81af7..e6b6f97d0fc1a 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -23,6 +23,7 @@
#include <linux/quotaops.h>
#include <linux/lockdep.h>
#include <linux/module.h>
+#include <linux/backing-dev.h>
#include "gfs2.h"
#include "incore.h"
@@ -1222,12 +1223,8 @@ static int set_gfs2_super(struct super_block *s, void *data)
{
s->s_bdev = data;
s->s_dev = s->s_bdev->bd_dev;
-
- /*
- * We set the bdi here to the queue backing, file systems can
- * overwrite this in ->fill_super()
- */
- s->s_bdi = bdev_get_queue(s->s_bdev)->backing_dev_info;
+ s->s_bdi = bdi_get(s->s_bdev->bd_bdi);
+ s->s_iflags |= SB_I_DYNBDI;
return 0;
}
--
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