X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=fs%2Fsuper.c;h=8a06881b1920b9e164ab276ffe73180ebfbbe97a;hb=931aeeda0dca81152aec48f30be01e86a268bf89;hp=e84864908264067fcde8f26736a80b31b6a2ec1b;hpb=0625bef6060fab4aab0e484130b59af5e9ac81bc;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/fs/super.c b/fs/super.c
index e848649..8a06881 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -71,6 +71,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
 #else
 		INIT_LIST_HEAD(&s->s_files);
 #endif
+		s->s_bdi = &default_backing_dev_info;
 		INIT_LIST_HEAD(&s->s_instances);
 		INIT_HLIST_BL_HEAD(&s->s_anon);
 		INIT_LIST_HEAD(&s->s_inodes);
@@ -936,6 +937,7 @@ mount_fs(struct file_system_type *type, int flags, const char *name, void *data)
 	sb = root->d_sb;
 	BUG_ON(!sb);
 	WARN_ON(!sb->s_bdi);
+	WARN_ON(sb->s_bdi == &default_backing_dev_info);
 	sb->s_flags |= MS_BORN;
 
 	error = security_sb_kern_mount(sb, flags, secdata);