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btrfs-progs: zoned: implement RAID10 zone info loading

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Just same as the kernel side.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2025-02-19 16:57:55 +09:00 committed by David Sterba
parent 915e15da2e
commit 5042af1c4f
1 changed files with 35 additions and 2 deletions
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37
kernel-shared/zoned.c
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@ -1092,6 +1092,39 @@ static int btrfs_load_block_group_raid0(struct btrfs_fs_info *fs_info,
return 0;
}
static int btrfs_load_block_group_raid10(struct btrfs_fs_info *fs_info,
struct btrfs_block_group *bg,
struct map_lookup *map,
struct zone_info *zone_info,
unsigned long *active)
{
if ((map->type & BTRFS_BLOCK_GROUP_DATA) && !fs_info->stripe_root) {
btrfs_err(fs_info, "zoned: data %s needs raid-stripe-tree",
btrfs_bg_type_to_raid_name(map->type));
return -EINVAL;
}
for (int i = 0; i < map->num_stripes; i++) {
if (zone_info[i].alloc_offset == WP_MISSING_DEV ||
zone_info[i].alloc_offset == WP_CONVENTIONAL)
continue;
if (test_bit(0, active) != test_bit(i, active)) {
return -EIO;
} else {
if (test_bit(0, active))
bg->zone_is_active = 1;
}
if ((i % map->sub_stripes) == 0) {
bg->zone_capacity += zone_info[i].capacity;
bg->alloc_offset += zone_info[i].alloc_offset;
}
}
return 0;
}
int btrfs_load_block_group_zone_info(struct btrfs_fs_info *fs_info,
struct btrfs_block_group *cache)
{
@ -1192,8 +1225,8 @@ int btrfs_load_block_group_zone_info(struct btrfs_fs_info *fs_info,
ret = btrfs_load_block_group_raid0(fs_info, cache, map, zone_info, active);
break;
case BTRFS_BLOCK_GROUP_RAID10:
/* Temporarily fails these case, until following commits. */
fallthrough;
ret = btrfs_load_block_group_raid10(fs_info, cache, map, zone_info, active);
break;
case BTRFS_BLOCK_GROUP_RAID5:
case BTRFS_BLOCK_GROUP_RAID6:
default: