diff options
Diffstat (limited to 'drivers/nvme/host/core.c')
| -rw-r--r-- | drivers/nvme/host/core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 76a9ccd5d064..f41b2b18fad9 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1634,6 +1634,9 @@ static void nvme_config_discard(struct gendisk *disk, struct nvme_ns *ns) if (queue->limits.max_discard_sectors) return; + if (ctrl->dmrsl && ctrl->dmrsl <= nvme_sect_to_lba(ns, UINT_MAX)) + ctrl->max_discard_sectors = nvme_lba_to_sect(ns, ctrl->dmrsl); + blk_queue_max_discard_sectors(queue, ctrl->max_discard_sectors); blk_queue_max_discard_segments(queue, ctrl->max_discard_segments); @@ -2893,8 +2896,7 @@ static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl) if (id->dmrl) ctrl->max_discard_segments = id->dmrl; - if (id->dmrsl) - ctrl->max_discard_sectors = le32_to_cpu(id->dmrsl); + ctrl->dmrsl = le32_to_cpu(id->dmrsl); if (id->wzsl) ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl); |