Symbol: btrfs_get_bdev_and_sb
fs/btrfs/volumes.c
2578
ret = btrfs_get_bdev_and_sb(path, BLK_OPEN_READ, NULL, 0,
fs/btrfs/volumes.c
666
ret = btrfs_get_bdev_and_sb(rcu_dereference_raw(device->name), flags, holder, 1,