3.18-stable review patch. If anyone has any objections, please let me know.
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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)