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pmem: flag pmem block devices as non-rotational
author
Dan Williams
<dan.j.williams@intel.com>
Sat, 16 May 2015 16:28:54 +0000
(12:28 -0400)
committer
Dan Williams
<dan.j.williams@intel.com>
Fri, 26 Jun 2015 15:23:38 +0000
(11:23 -0400)
...since they are effectively SSDs as far as userspace is concerned.
Reviewed-by: Vishal Verma <vishal.l.verma@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/nvdimm/pmem.c
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diff --git
a/drivers/nvdimm/pmem.c
b/drivers/nvdimm/pmem.c
index
09195e3
..
a9709db
100644
(file)
--- a/
drivers/nvdimm/pmem.c
+++ b/
drivers/nvdimm/pmem.c
@@
-158,6
+158,7
@@
static int pmem_attach_disk(struct nd_namespace_common *ndns,
blk_queue_make_request(pmem->pmem_queue, pmem_make_request);
blk_queue_max_hw_sectors(pmem->pmem_queue, UINT_MAX);
blk_queue_bounce_limit(pmem->pmem_queue, BLK_BOUNCE_ANY);
+ queue_flag_set_unlocked(QUEUE_FLAG_NONROT, pmem->pmem_queue);
disk = alloc_disk(0);
if (!disk) {