diff options
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index eb02d939dd44..eb76ba055021 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -3296,6 +3296,13 @@ static int sd_revalidate_disk(struct gendisk *disk) (sector_t)BLK_DEF_MAX_SECTORS); } + /* + * Limit default to SCSI host optimal sector limit if set. There may be + * an impact on performance for when the size of a request exceeds this + * host limit. + */ + rw_max = min_not_zero(rw_max, sdp->host->opt_sectors); + /* Do not exceed controller limit */ rw_max = min(rw_max, queue_max_hw_sectors(q)); |