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authorMartin K. Petersen <martin.petersen@oracle.com>2012-08-28 14:29:35 -0400
committerJames Bottomley <JBottomley@Parallels.com>2012-09-24 12:11:00 +0400
commitd974e4265dbd35db118c318176727ecb7f469de3 (patch)
treefbec9c25dbed708722d334601ed0adcf38f210cd /drivers
parent8172499aae4d375334cfe6361900929c3b31a03f (diff)
downloadop-kernel-dev-d974e4265dbd35db118c318176727ecb7f469de3.zip
op-kernel-dev-d974e4265dbd35db118c318176727ecb7f469de3.tar.gz
[SCSI] Disable DIF on Hitachi Ultrastar 15K300
Hitachi Ultrastar 15K300 is quirky. Disable T10 PI (DIF). Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/scsi_devinfo.c1
-rw-r--r--drivers/scsi/scsi_scan.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index cf8dfab..43fca91 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -172,6 +172,7 @@ static struct {
{"HITACHI", "DF400", "*", BLIST_REPORTLUN2},
{"HITACHI", "DF500", "*", BLIST_REPORTLUN2},
{"HITACHI", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2},
+ {"HITACHI", "HUS1530", "*", BLIST_NO_DIF},
{"HITACHI", "OPEN-", "*", BLIST_REPORTLUN2},
{"HITACHI", "OP-C-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
{"HITACHI", "3380-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 56a9379..0a224e2 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -911,6 +911,9 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
if (*bflags & BLIST_RETRY_HWERROR)
sdev->retry_hwerror = 1;
+ if (*bflags & BLIST_NO_DIF)
+ sdev->no_dif = 1;
+
transport_configure_device(&sdev->sdev_gendev);
if (sdev->host->hostt->slave_configure) {
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