btrfs: use raid_attr in btrfs_chunk_max_errors

The number of tolerated failures is stored in the raid_attr table, use
it.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-05-17 11:43:22 +02:00
parent 9fa02ac75b
commit fc9a2ac77c

View File

@ -5325,19 +5325,9 @@ static noinline int init_first_rw_device(struct btrfs_trans_handle *trans)
static inline int btrfs_chunk_max_errors(struct map_lookup *map)
{
int max_errors;
const int index = btrfs_bg_flags_to_raid_index(map->type);
if (map->type & (BTRFS_BLOCK_GROUP_RAID1 |
BTRFS_BLOCK_GROUP_RAID10 |
BTRFS_BLOCK_GROUP_RAID5)) {
max_errors = 1;
} else if (map->type & BTRFS_BLOCK_GROUP_RAID6) {
max_errors = 2;
} else {
max_errors = 0;
}
return max_errors;
return btrfs_raid_array[index].tolerated_failures;
}
int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset)