copy_num         3407 fs/btrfs/disk-io.c int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
copy_num         3414 fs/btrfs/disk-io.c 	bytenr = btrfs_sb_offset(copy_num);
copy_num           58 fs/btrfs/disk-io.h int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
copy_num         7614 fs/btrfs/volumes.c 	int copy_num;
copy_num         7619 fs/btrfs/volumes.c 	for (copy_num = 0; copy_num < BTRFS_SUPER_MIRROR_MAX;
copy_num         7620 fs/btrfs/volumes.c 		copy_num++) {
copy_num         7622 fs/btrfs/volumes.c 		if (btrfs_read_dev_one_super(bdev, copy_num, &bh))