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authorDavid Sterba <dsterba@suse.com>2019-05-17 12:43:22 +0300
committerDavid Sterba <dsterba@suse.com>2019-07-01 14:34:56 +0300
commitfc9a2ac77c05ba060dcfb084a752aa3ee37f9e2a (patch)
tree7da70900a9dff927d21178423b6077aefc5bb241 /fs
parent9fa02ac75ba14683b341ec7430202cccfc8c3fab (diff)
downloadlinux-fc9a2ac77c05ba060dcfb084a752aa3ee37f9e2a.tar.xz
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/volumes.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index a3fa741c8534..995a15a816f2 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -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;
-
- 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;
- }
+ const int index = btrfs_bg_flags_to_raid_index(map->type);
- return max_errors;
+ return btrfs_raid_array[index].tolerated_failures;
}
int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset)