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btrfs-progs: zoned: factor out supported profiles to a helper 

The enumeration could get out of date, like fixed in previous commit.
Create a helper that will hide the implementation details.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2021-10-06 23:54:13 +02:00
parent 15eb03ca1d
commit 447bf2fb37
1 changed files with 13 additions and 14 deletions
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27
kernel-shared/zoned.c
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@ -808,6 +808,17 @@ out:
return ret;
}
static bool profile_supported(u64 flags)
{
flags &= BTRFS_BLOCK_GROUP_PROFILE_MASK;
/* SINGLE */
if (flags == 0)
return true;
/* non-single profiles are not supported yet */
return false;
}
int btrfs_load_block_group_zone_info(struct btrfs_fs_info *fs_info,
struct btrfs_block_group *cache)
{
@ -919,25 +930,13 @@ int btrfs_load_block_group_zone_info(struct btrfs_fs_info *fs_info,
}
}
switch (map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
case 0: /* single */
cache->alloc_offset = alloc_offsets[0];
break;
case BTRFS_BLOCK_GROUP_DUP:
case BTRFS_BLOCK_GROUP_RAID1:
case BTRFS_BLOCK_GROUP_RAID1C3:
case BTRFS_BLOCK_GROUP_RAID1C4:
case BTRFS_BLOCK_GROUP_RAID0:
case BTRFS_BLOCK_GROUP_RAID10:
case BTRFS_BLOCK_GROUP_RAID5:
case BTRFS_BLOCK_GROUP_RAID6:
/* non-single profiles are not supported yet */
default:
if (!profile_supported(map->type)) {
error("zoned: profile %s not yet supported",
btrfs_group_profile_str(map->type));
ret = -EINVAL;
goto out;
}
cache->alloc_offset = alloc_offsets[0];
out:
/* An extent is allocated after the write pointer */