diff options
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index d8d9c0bdd93c..001593ed0444 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -803,6 +803,15 @@ static int sd_setup_write_zeroes_cmnd(struct scsi_cmnd *cmd) u64 sector = blk_rq_pos(rq) >> (ilog2(sdp->sector_size) - 9); u32 nr_sectors = blk_rq_sectors(rq) >> (ilog2(sdp->sector_size) - 9); + if (!(rq->cmd_flags & REQ_NOUNMAP)) { + switch (sdkp->provisioning_mode) { + case SD_LBP_WS16: + return sd_setup_write_same16_cmnd(cmd, true); + case SD_LBP_WS10: + return sd_setup_write_same10_cmnd(cmd, true); + } + } + if (sdp->no_write_same) return BLKPREP_INVALID; if (sdkp->ws16 || sector > 0xffffffff || nr_sectors > 0xffff) |