Commit
29efc390b946 ("md/md0: optimize raid0 discard handling") and
commit
d30588b2731f ("md/raid10: improve raid10 discard request")
remove MD raid0's and raid10's inability to properly handle large
discards. So eliminate associated constraints from dm-raid's support.
Depends-on:
29efc390b946 ("md/md0: optimize raid0 discard handling")
Depends-on:
d30588b2731f ("md/raid10: improve raid10 discard request")
Reported-by: Matthew Ruffell <matthew.ruffell@canonical.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
blk_limits_io_min(limits, chunk_size_bytes);
blk_limits_io_opt(limits, chunk_size_bytes * mddev_data_stripes(rs));
-
- /*
- * RAID0 and RAID10 personalities require bio splitting,
- * RAID1/4/5/6 don't and process large discard bios properly.
- */
- if (rs_is_raid0(rs) || rs_is_raid10(rs)) {
- limits->discard_granularity = chunk_size_bytes;
- limits->max_discard_sectors = rs->md.chunk_sectors;
- }
}
static void raid_postsuspend(struct dm_target *ti)