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[v2,12/17] pmem: flag pmem block devices as non-rotational

Message ID 20150625093722.40066.10804.stgit@dwillia2-desk3.jf.intel.com (mailing list archive)
State Accepted
Commit 0f51c4fa7f60
Headers show

Commit Message

Dan Williams June 25, 2015, 9:37 a.m. UTC 
...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 |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 09195e3b7453..a9709db0704c 100644
--- 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) {