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btrfs: zoned: factor out single bg handling from btrfs_load_block_group_zone_info 

commit 9e0e3e74dc6928a0956f4e27e24d473c65887e96 upstream.

Split the code handling a type single block group from
btrfs_load_block_group_zone_info to make the code more readable.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christoph Hellwig 2023-06-05 10:51:07 +02:00 committed by Greg Kroah-Hartman
parent a139ad6642
commit 68713bc70d
1 changed files with 19 additions and 11 deletions
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30
fs/btrfs/zoned.c
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@ -1374,6 +1374,24 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
return 0;
}
static int btrfs_load_block_group_single(struct btrfs_block_group *bg,
struct zone_info *info,
unsigned long *active)
{
if (info->alloc_offset == WP_MISSING_DEV) {
btrfs_err(bg->fs_info,
"zoned: cannot recover write pointer for zone %llu",
info->physical);
return -EIO;
}
bg->alloc_offset = info->alloc_offset;
bg->zone_capacity = info->capacity;
if (test_bit(0, active))
set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &bg->runtime_flags);
return 0;
}
int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
@ -1460,17 +1478,7 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
switch (map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
case 0: /* single */
if (zone_info[0].alloc_offset == WP_MISSING_DEV) {
btrfs_err(fs_info,
"zoned: cannot recover write pointer for zone %llu",
zone_info[0].physical);
ret = -EIO;
goto out;
}
cache->alloc_offset = zone_info[0].alloc_offset;
cache->zone_capacity = zone_info[0].capacity;
if (test_bit(0, active))
set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &cache->runtime_flags);
ret = btrfs_load_block_group_single(cache, &zone_info[0], active);
break;
case BTRFS_BLOCK_GROUP_DUP:
if (map->type & BTRFS_BLOCK_GROUP_DATA) {