53 #define BTRFS_MIN_ACTIVE_ZONES		(BTRFS_SUPER_MIRROR_MAX + 5)
1367 static int btrfs_load_block_group_single(struct btrfs_block_group *bg,  in btrfs_load_block_group_single()  argument
1372 		btrfs_err(bg->fs_info,  in btrfs_load_block_group_single()
1378 	bg->alloc_offset = info->alloc_offset;  in btrfs_load_block_group_single()
1379 	bg->zone_capacity = info->capacity;  in btrfs_load_block_group_single()
1381 		set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &bg->runtime_flags);  in btrfs_load_block_group_single()
1385 static int btrfs_load_block_group_dup(struct btrfs_block_group *bg,  in btrfs_load_block_group_dup()  argument
1390 	struct btrfs_fs_info *fs_info = bg->fs_info;  in btrfs_load_block_group_dup()
1397 	bg->zone_capacity = min_not_zero(zone_info[0].capacity, zone_info[1].capacity);  in btrfs_load_block_group_dup()
1400 		btrfs_err(bg->fs_info,  in btrfs_load_block_group_dup()
1406 		btrfs_err(bg->fs_info,  in btrfs_load_block_group_dup()
1412 		btrfs_err(bg->fs_info,  in btrfs_load_block_group_dup()
1418 		if (!btrfs_zone_activate(bg))  in btrfs_load_block_group_dup()
1421 		set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &bg->runtime_flags);  in btrfs_load_block_group_dup()
1424 	bg->alloc_offset = zone_info[0].alloc_offset;  in btrfs_load_block_group_dup()
1428 static int btrfs_load_block_group_raid1(struct btrfs_block_group *bg,  in btrfs_load_block_group_raid1()  argument
1433 	struct btrfs_fs_info *fs_info = bg->fs_info;  in btrfs_load_block_group_raid1()
1443 	bg->zone_capacity = min_not_zero(zone_info[0].capacity, zone_info[1].capacity);  in btrfs_load_block_group_raid1()
1459 			    !btrfs_zone_activate(bg)) {  in btrfs_load_block_group_raid1()
1464 				set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &bg->runtime_flags);  in btrfs_load_block_group_raid1()
1469 		bg->alloc_offset = zone_info[0].alloc_offset;  in btrfs_load_block_group_raid1()
1471 		bg->alloc_offset = zone_info[i - 1].alloc_offset;  in btrfs_load_block_group_raid1()
1476 static int btrfs_load_block_group_raid0(struct btrfs_block_group *bg,  in btrfs_load_block_group_raid0()  argument
1481 	struct btrfs_fs_info *fs_info = bg->fs_info;  in btrfs_load_block_group_raid0()
1495 			if (!btrfs_zone_activate(bg))  in btrfs_load_block_group_raid0()
1499 				set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &bg->runtime_flags);  in btrfs_load_block_group_raid0()
1501 		bg->zone_capacity += zone_info[i].capacity;  in btrfs_load_block_group_raid0()
1502 		bg->alloc_offset += zone_info[i].alloc_offset;  in btrfs_load_block_group_raid0()
1508 static int btrfs_load_block_group_raid10(struct btrfs_block_group *bg,  in btrfs_load_block_group_raid10()  argument
1513 	struct btrfs_fs_info *fs_info = bg->fs_info;  in btrfs_load_block_group_raid10()
1527 			if (!btrfs_zone_activate(bg))  in btrfs_load_block_group_raid10()
1531 				set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &bg->runtime_flags);  in btrfs_load_block_group_raid10()
1535 			bg->zone_capacity += zone_info[i].capacity;  in btrfs_load_block_group_raid10()
1536 			bg->alloc_offset += zone_info[i].alloc_offset;  in btrfs_load_block_group_raid10()
1606 			"zoned: failed to determine allocation offset of bg %llu",  in btrfs_load_block_group_zone_info()
1682 			  "zoned: got wrong write pointer in BG %llu: %llu > %llu",  in btrfs_load_block_group_zone_info()
2392 	struct btrfs_block_group *bg =  in btrfs_zone_finish_endio_workfn()  local
2395 	wait_on_extent_buffer_writeback(bg->last_eb);  in btrfs_zone_finish_endio_workfn()
2396 	free_extent_buffer(bg->last_eb);  in btrfs_zone_finish_endio_workfn()
2397 	btrfs_zone_finish_endio(bg->fs_info, bg->start, bg->length);  in btrfs_zone_finish_endio_workfn()
2398 	btrfs_put_block_group(bg);  in btrfs_zone_finish_endio_workfn()
2401 void btrfs_schedule_zone_finish_bg(struct btrfs_block_group *bg,  in btrfs_schedule_zone_finish_bg()  argument
2404 	if (!test_bit(BLOCK_GROUP_FLAG_SEQUENTIAL_ZONE, &bg->runtime_flags) ||  in btrfs_schedule_zone_finish_bg()
2405 	    eb->start + eb->len * 2 <= bg->start + bg->zone_capacity)  in btrfs_schedule_zone_finish_bg()
2408 	if (WARN_ON(bg->zone_finish_work.func == btrfs_zone_finish_endio_workfn)) {  in btrfs_schedule_zone_finish_bg()
2409 		btrfs_err(bg->fs_info, "double scheduling of bg %llu zone finishing",  in btrfs_schedule_zone_finish_bg()
2410 			  bg->start);  in btrfs_schedule_zone_finish_bg()
2415 	btrfs_get_block_group(bg);  in btrfs_schedule_zone_finish_bg()
2417 	bg->last_eb = eb;  in btrfs_schedule_zone_finish_bg()
2418 	INIT_WORK(&bg->zone_finish_work, btrfs_zone_finish_endio_workfn);  in btrfs_schedule_zone_finish_bg()
2419 	queue_work(system_unbound_wq, &bg->zone_finish_work);  in btrfs_schedule_zone_finish_bg()
2422 void btrfs_clear_data_reloc_bg(struct btrfs_block_group *bg)  in btrfs_clear_data_reloc_bg()  argument
2424 	struct btrfs_fs_info *fs_info = bg->fs_info;  in btrfs_clear_data_reloc_bg()
2427 	if (fs_info->data_reloc_bg == bg->start)  in btrfs_clear_data_reloc_bg()
2553 	struct btrfs_block_group *bg;  in btrfs_zoned_activate_one_bg()  local
2565 			list_for_each_entry(bg, &space_info->block_groups[index],  in btrfs_zoned_activate_one_bg()
2567 				if (!spin_trylock(&bg->lock))  in btrfs_zoned_activate_one_bg()
2569 				if (btrfs_zoned_bg_is_full(bg) ||  in btrfs_zoned_activate_one_bg()
2571 					     &bg->runtime_flags)) {  in btrfs_zoned_activate_one_bg()
2572 					spin_unlock(&bg->lock);  in btrfs_zoned_activate_one_bg()
2575 				spin_unlock(&bg->lock);  in btrfs_zoned_activate_one_bg()
2577 				if (btrfs_zone_activate(bg)) {  in btrfs_zoned_activate_one_bg()