diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index b2da8a00ec33..5464d467e23e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2951,9 +2951,6 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp) if (rot == 1) { blk_queue_flag_set(QUEUE_FLAG_NONROT, q); blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, q); - } else { - blk_queue_flag_clear(QUEUE_FLAG_NONROT, q); - blk_queue_flag_set(QUEUE_FLAG_ADD_RANDOM, q); } if (sdkp->device->type == TYPE_ZBC) { @@ -3090,6 +3087,15 @@ static int sd_revalidate_disk(struct gendisk *disk) if (sdkp->media_present) { sd_read_capacity(sdkp, buffer); + /* + * set the default to rotational. All non-rotational devices + * support the block characteristics VPD page, which will + * cause this to be updated correctly and any device which + * doesn't support it should be treated as rotational. + */ + blk_queue_flag_clear(QUEUE_FLAG_NONROT, q); + blk_queue_flag_set(QUEUE_FLAG_ADD_RANDOM, q); + if (scsi_device_supports_vpd(sdp)) { sd_read_block_provisioning(sdkp); sd_read_block_limits(sdkp);