scsi: mptsas: Disable WRITE SAME

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>

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 231f3a1e27bff66b64e06751c429a21c31aa12f1..86503f60468fa6a7f10a4e339f01df1934ca7d55 100644 (file)
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1994,6 +1994,7 @@ static struct scsi_host_template mptsas_driver_template = {
        .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)