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Y. Srinivasan" , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.14 106/165] scsi: storvsc: Increase cmd_per_lun for higher speed devices Date: Thu, 24 May 2018 11:38:32 +0200 Message-Id: <20180524093626.304795528@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180524093621.979359379@linuxfoundation.org> References: <20180524093621.979359379@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: "Michael Kelley (EOSG)" [ Upstream commit cabe92a55e3a12005a4ac4d3954c9a174b0efe2a ] Increase cmd_per_lun to allow more I/Os in progress per device, particularly for NVMe's. The Hyper-V host side can handle the higher count with no issues. Signed-off-by: Michael Kelley Reviewed-by: K. Y. Srinivasan Acked-by: K. Y. Srinivasan Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/storvsc_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1661,7 +1661,7 @@ static struct scsi_host_template scsi_dr .eh_timed_out = storvsc_eh_timed_out, .slave_alloc = storvsc_device_alloc, .slave_configure = storvsc_device_configure, - .cmd_per_lun = 255, + .cmd_per_lun = 2048, .this_id = -1, .use_clustering = ENABLE_CLUSTERING, /* Make sure we dont get a sg segment crosses a page boundary */