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[PATCH v2 09/17] libnvdimm, pmem: fix up max_hw_sectors

Started byDan Williams <dan.j.williams@intel.com>
First post2015-06-25 11:50 +0200
Last post2015-06-25 11:50 +0200
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  [PATCH v2 09/17] libnvdimm, pmem: fix up max_hw_sectors Dan Williams <dan.j.williams@intel.com> - 2015-06-25 11:50 +0200

#1171982 — [PATCH v2 09/17] libnvdimm, pmem: fix up max_hw_sectors

FromDan Williams <dan.j.williams@intel.com>
Date2015-06-25 11:50 +0200
Subject[PATCH v2 09/17] libnvdimm, pmem: fix up max_hw_sectors
Message-ID<pFbXc-4YO-9@gated-at.bofh.it>
There is no hardware limit to enforce on the size of the i/o that can be passed
to an nvdimm block device, so set it to UINT_MAX.

Reviewed-by: Vishal Verma <vishal.l.verma@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/nvdimm/pmem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 7346054bccbb..d29a42adb95a 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -167,7 +167,7 @@ static int pmem_attach_disk(struct nd_namespace_common *ndns,
 		return -ENOMEM;
 
 	blk_queue_make_request(pmem->pmem_queue, pmem_make_request);
-	blk_queue_max_hw_sectors(pmem->pmem_queue, 1024);
+	blk_queue_max_hw_sectors(pmem->pmem_queue, UINT_MAX);
 	blk_queue_bounce_limit(pmem->pmem_queue, BLK_BOUNCE_ANY);
 
 	disk = alloc_disk(0);

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