diff options
Diffstat (limited to 'drivers/md/dm-raid1.c')
| -rw-r--r-- | drivers/md/dm-raid1.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index d039de8322f0..819ccba65912 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1081,9 +1081,14 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) } ti->private = ms; - ti->split_io = dm_rh_get_region_size(ms->rh); + + r = dm_set_target_max_io_len(ti, dm_rh_get_region_size(ms->rh)); + if (r) + goto err_free_context; + ti->num_flush_requests = 1; ti->num_discard_requests = 1; + ti->discard_zeroes_data_unsupported = 1; ms->kmirrord_wq = alloc_workqueue("kmirrord", WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0); @@ -1214,7 +1219,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, * We need to dec pending if this was a write. */ if (rw == WRITE) { - if (!(bio->bi_rw & REQ_FLUSH)) + if (!(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD))) dm_rh_dec(ms->rh, map_context->ll); return error; } |