new helper: mount_bdev()

... and switch of the obvious get_sb_bdev() users to ->mount()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 56f0cb3..f02c0ef 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1236,14 +1236,12 @@
 	return status;
 }
 
-static int ocfs2_get_sb(struct file_system_type *fs_type,
+static struct dentry *ocfs2_mount(struct file_system_type *fs_type,
 			int flags,
 			const char *dev_name,
-			void *data,
-			struct vfsmount *mnt)
+			void *data)
 {
-	return get_sb_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super,
-			   mnt);
+	return mount_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super);
 }
 
 static void ocfs2_kill_sb(struct super_block *sb)
@@ -1267,8 +1265,7 @@
 static struct file_system_type ocfs2_fs_type = {
 	.owner          = THIS_MODULE,
 	.name           = "ocfs2",
-	.get_sb         = ocfs2_get_sb, /* is this called when we mount
-					* the fs? */
+	.mount          = ocfs2_mount,
 	.kill_sb        = ocfs2_kill_sb,
 
 	.fs_flags       = FS_REQUIRES_DEV|FS_RENAME_DOES_D_MOVE,