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Date: Fri, 27 Apr 2018 15:58:49 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Nikola Ciprich <nikola.ciprich@...uxbox.cz>, "Martin K. Petersen" <martin.petersen@...cle.com> Subject: [PATCH 4.4 47/50] scsi: mptsas: Disable WRITE SAME 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Martin K. Petersen <martin.petersen@...cle.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@...uxbox.cz> Cc: <stable@...r.kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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)
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