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authorSeongJae Park <sj38.park@gmail.com>2018-05-03 11:53:26 +0200
committerJens Axboe <axboe@kernel.dk>2018-05-09 16:43:57 +0200
commit316ba5736c9caa5dbcd84085989862d2df57431d (patch)
treedfef15b321413397ba133afba1a4d25abc61f79a /drivers/block/brd.c
parentblock: consolidate struct request timestamp fields (diff)
downloadlinux-316ba5736c9caa5dbcd84085989862d2df57431d.tar.xz
linux-316ba5736c9caa5dbcd84085989862d2df57431d.zip
brd: Mark as non-rotational
This commit sets QUEUE_FLAG_NONROT and clears up QUEUE_FLAG_ADD_RANDOM to mark the ramdisks as non-rotational device. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/brd.c')
-rw-r--r--drivers/block/brd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 66cb0f857f64..39c5b90cc187 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -402,6 +402,10 @@ static struct brd_device *brd_alloc(int i)
set_capacity(disk, rd_size * 2);
disk->queue->backing_dev_info->capabilities |= BDI_CAP_SYNCHRONOUS_IO;
+ /* Tell the block layer that this is not a rotational device */
+ blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue);
+ blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, disk->queue);
+
return brd;
out_free_queue: