frozen_sb          99 drivers/md/dm-core.h 	struct super_block *frozen_sb;
frozen_sb        2545 drivers/md/dm.c 	WARN_ON(md->frozen_sb);
frozen_sb        2547 drivers/md/dm.c 	md->frozen_sb = freeze_bdev(md->bdev);
frozen_sb        2548 drivers/md/dm.c 	if (IS_ERR(md->frozen_sb)) {
frozen_sb        2549 drivers/md/dm.c 		r = PTR_ERR(md->frozen_sb);
frozen_sb        2550 drivers/md/dm.c 		md->frozen_sb = NULL;
frozen_sb        2564 drivers/md/dm.c 	thaw_bdev(md->bdev, md->frozen_sb);
frozen_sb        2565 drivers/md/dm.c 	md->frozen_sb = NULL;