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Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 84ff203ffedd..f6a452846fab 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1051,6 +1051,14 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
1051 &sshdr, SD_TIMEOUT, 1051 &sshdr, SD_TIMEOUT,
1052 SD_MAX_RETRIES); 1052 SD_MAX_RETRIES);
1053 1053
1054 /*
1055 * If the drive has indicated to us that it
1056 * doesn't have any media in it, don't bother
1057 * with any more polling.
1058 */
1059 if (media_not_present(sdkp, &sshdr))
1060 return;
1061
1054 if (the_result) 1062 if (the_result)
1055 sense_valid = scsi_sense_valid(&sshdr); 1063 sense_valid = scsi_sense_valid(&sshdr);
1056 retries++; 1064 retries++;
@@ -1059,14 +1067,6 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
1059 ((driver_byte(the_result) & DRIVER_SENSE) && 1067 ((driver_byte(the_result) & DRIVER_SENSE) &&
1060 sense_valid && sshdr.sense_key == UNIT_ATTENTION))); 1068 sense_valid && sshdr.sense_key == UNIT_ATTENTION)));
1061 1069
1062 /*
1063 * If the drive has indicated to us that it doesn't have
1064 * any media in it, don't bother with any of the rest of
1065 * this crap.
1066 */
1067 if (media_not_present(sdkp, &sshdr))
1068 return;
1069
1070 if ((driver_byte(the_result) & DRIVER_SENSE) == 0) { 1070 if ((driver_byte(the_result) & DRIVER_SENSE) == 0) {
1071 /* no sense, TUR either succeeded or failed 1071 /* no sense, TUR either succeeded or failed
1072 * with a status error */ 1072 * with a status error */
@@ -1467,7 +1467,6 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
1467 res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr); 1467 res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr);
1468 1468
1469 if (scsi_status_is_good(res)) { 1469 if (scsi_status_is_good(res)) {
1470 int ct = 0;
1471 int offset = data.header_length + data.block_descriptor_length; 1470 int offset = data.header_length + data.block_descriptor_length;
1472 1471
1473 if (offset >= SD_BUF_SIZE - 2) { 1472 if (offset >= SD_BUF_SIZE - 2) {
@@ -1496,11 +1495,13 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
1496 sdkp->DPOFUA = 0; 1495 sdkp->DPOFUA = 0;
1497 } 1496 }
1498 1497
1499 ct = sdkp->RCD + 2*sdkp->WCE; 1498 printk(KERN_NOTICE "SCSI device %s: "
1500 1499 "write cache: %s, read cache: %s, %s\n",
1501 printk(KERN_NOTICE "SCSI device %s: drive cache: %s%s\n", 1500 diskname,
1502 diskname, sd_cache_types[ct], 1501 sdkp->WCE ? "enabled" : "disabled",
1503 sdkp->DPOFUA ? " w/ FUA" : ""); 1502 sdkp->RCD ? "disabled" : "enabled",
1503 sdkp->DPOFUA ? "supports DPO and FUA"
1504 : "doesn't support DPO or FUA");
1504 1505
1505 return; 1506 return;
1506 } 1507 }