diff options
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index f52b74cf8d1e..60bff78e9ead 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -137,15 +137,15 @@ static const char *sd_cache_types[] = { static void sd_set_flush_flag(struct scsi_disk *sdkp) { - unsigned flush = 0; + bool wc = false, fua = false; if (sdkp->WCE) { - flush |= REQ_FLUSH; + wc = true; if (sdkp->DPOFUA) - flush |= REQ_FUA; + fua = true; } - blk_queue_flush(sdkp->disk->queue, flush); + blk_queue_write_cache(sdkp->disk->queue, wc, fua); } static ssize_t @@ -779,7 +779,7 @@ static int sd_setup_discard_cmnd(struct scsi_cmnd *cmd) * discarded on disk. This allows us to report completion on the full * amount of blocks described by the request. */ - blk_add_request_payload(rq, page, len); + blk_add_request_payload(rq, page, 0, len); ret = scsi_init_io(cmd); rq->__data_len = nr_bytes; @@ -1398,11 +1398,15 @@ static int media_not_present(struct scsi_disk *sdkp, **/ static unsigned int sd_check_events(struct gendisk *disk, unsigned int clearing) { - struct scsi_disk *sdkp = scsi_disk(disk); - struct scsi_device *sdp = sdkp->device; + struct scsi_disk *sdkp = scsi_disk_get(disk); + struct scsi_device *sdp; struct scsi_sense_hdr *sshdr = NULL; int retval; + if (!sdkp) + return 0; + + sdp = sdkp->device; SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_check_events\n")); /* @@ -1459,6 +1463,7 @@ out: kfree(sshdr); retval = sdp->changed ? DISK_EVENT_MEDIA_CHANGE : 0; sdp->changed = 0; + scsi_disk_put(sdkp); return retval; } @@ -2862,10 +2867,10 @@ static int sd_revalidate_disk(struct gendisk *disk) if (sdkp->opt_xfer_blocks && sdkp->opt_xfer_blocks <= dev_max && sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS && - sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_SIZE) - rw_max = q->limits.io_opt = - sdkp->opt_xfer_blocks * sdp->sector_size; - else + logical_to_bytes(sdp, sdkp->opt_xfer_blocks) >= PAGE_SIZE) { + q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks); + rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks); + } else rw_max = BLK_DEF_MAX_SECTORS; /* Combine with controller limits */ |
