pmem: flag pmem block devices as non-rotational

...since they are effectively SSDs as far as userspace is concerned. Reviewed-by: Vishal Verma <[email protected]> Signed-off-by: Dan Williams <[email protected]>
needcaffeine · Jun 26, 2015 · 0f51c4f · 0f51c4f
1 parent f0dc089
commit 0f51c4f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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) {