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authorMartin K. Petersen <martin.petersen@oracle.com>2018-04-18 22:54:59 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-29 11:33:16 +0200
commitf4df47e36ac052e772899b0d141daed1c9b008ae (patch)
tree4cffebc6fa6ed7dadcdffc9b026278675aa8bea6
parent77df079be9b480fbac36d407e76df4c29d719407 (diff)
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scsi: mptsas: Disable WRITE SAME
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>
-rw-r--r--drivers/message/fusion/mptsas.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 345f6035599e..f1d93676b0fc 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1995,6 +1995,7 @@ 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)