linux-kernel - [PATCH 3/3] storvsc: use block layer default segment size

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Message-Id: <1473197143-16760-4-git-send-email-longli@exchange.microsoft.com>
Date:   Tue,  6 Sep 2016 14:25:43 -0700
From:   Long Li <longli@...hange.microsoft.com>
To:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     devel@...uxdriverproject.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, Long Li <longli@...rosoft.com>
Subject: [PATCH 3/3] storvsc: use block layer default segment size

From: Long Li <longli@...rosoft.com>

We no long have the restriction of page size limit in the SG list. Remove it. The driver can properly handle default block segment size.

---
 drivers/scsi/storvsc_drv.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 8328c87..ac57f9c 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1271,9 +1271,6 @@ static int storvsc_do_io(struct hv_device *device,
 
 static int storvsc_device_configure(struct scsi_device *sdevice)
 {
-
-	blk_queue_max_segment_size(sdevice->request_queue, PAGE_SIZE);
-
 	blk_queue_bounce_limit(sdevice->request_queue, BLK_BOUNCE_ANY);
 
 	blk_queue_rq_timeout(sdevice->request_queue, (storvsc_timeout * HZ));
-- 
1.8.5.6