45 	int mirror_num;  member
6468 	if ((map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) && io_geom->mirror_num > 1)  in is_single_device_io()
6480 		io_geom->mirror_num = 1;  in map_blocks_raid0()
6493 	if (io_geom->mirror_num) {  in map_blocks_raid1()
6494 		io_geom->stripe_index = io_geom->mirror_num - 1;  in map_blocks_raid1()
6500 	io_geom->mirror_num = io_geom->stripe_index + 1;  in map_blocks_raid1()
6511 	if (io_geom->mirror_num) {  in map_blocks_dup()
6512 		io_geom->stripe_index = io_geom->mirror_num - 1;  in map_blocks_dup()
6516 	io_geom->mirror_num = 1;  in map_blocks_dup()
6535 	if (io_geom->mirror_num) {  in map_blocks_raid10()
6536 		io_geom->stripe_index += io_geom->mirror_num - 1;  in map_blocks_raid10()
6544 	io_geom->mirror_num = io_geom->stripe_index - old_stripe_index + 1;  in map_blocks_raid10()
6583 	ASSERT(io_geom->mirror_num <= 1);  in map_blocks_raid56_read()
6592 	if (io_geom->op == BTRFS_MAP_READ && io_geom->mirror_num < 1)  in map_blocks_raid56_read()
6593 		io_geom->mirror_num = 1;  in map_blocks_raid56_read()
6601 	io_geom->mirror_num = io_geom->stripe_index + 1;  in map_blocks_single()
6657 	io_geom.mirror_num = (mirror_num_ret ? *mirror_num_ret : 0);  in btrfs_map_block()
6667 	if (io_geom.mirror_num > num_copies)  in btrfs_map_block()
6704 		if (op != BTRFS_MAP_READ || io_geom.mirror_num > 1)  in btrfs_map_block()
6746 			*mirror_num_ret = io_geom.mirror_num;  in btrfs_map_block()
6767 	    (op != BTRFS_MAP_READ || io_geom.mirror_num > 1)) {  in btrfs_map_block()
6821 	bioc->mirror_num = io_geom.mirror_num;  in btrfs_map_block()
8319 			   u32 length, int mirror_num)  in btrfs_map_repair_block()  argument
8323 	int mirror_ret = mirror_num;  in btrfs_map_repair_block()
8326 	ASSERT(mirror_num > 0);  in btrfs_map_repair_block()
8346 	ASSERT(mirror_num <= bioc->num_stripes);  in btrfs_map_repair_block()
8347 	smap->dev = bioc->stripes[mirror_num - 1].dev;  in btrfs_map_repair_block()
8348 	smap->physical = bioc->stripes[mirror_num - 1].physical;  in btrfs_map_repair_block()