| From 94e5395d2403c8bc2504a7cbe4c4caaacb7b8b84 Mon Sep 17 00:00:00 2001 |
| From: "Martin K. Petersen" <martin.petersen@oracle.com> |
| Date: Wed, 18 Apr 2018 22:54:59 -0400 |
| Subject: scsi: mptsas: Disable WRITE SAME |
| |
| From: Martin K. Petersen <martin.petersen@oracle.com> |
| |
| commit 94e5395d2403c8bc2504a7cbe4c4caaacb7b8b84 upstream. |
| |
| First generation MPT Fusion controllers can not translate WRITE SAME |
| when the attached device is a SATA drive. Disable WRITE SAME support. |
| |
| Reported-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz> |
| Cc: <stable@vger.kernel.org> |
| Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/message/fusion/mptsas.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/drivers/message/fusion/mptsas.c |
| +++ b/drivers/message/fusion/mptsas.c |
| @@ -1994,6 +1994,7 @@ static struct scsi_host_template mptsas_ |
| .cmd_per_lun = 7, |
| .use_clustering = ENABLE_CLUSTERING, |
| .shost_attrs = mptscsih_host_attrs, |
| + .no_write_same = 1, |
| }; |
| |
| static int mptsas_get_linkerrors(struct sas_phy *phy) |
