IMG_REQ_LAYERED is set in rbd_img_request_create(), and tested and
cleared in rbd_img_request_destroy() when the image request is about to
be destroyed. The barriers are unnecessary.
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
---
drivers/block/rbd.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index f21f9bc8d74a..4e494d5600cc 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1371,18 +1371,15 @@ static void rbd_osd_submit(struct ceph_osd_request *osd_req)
static void img_request_layered_set(struct rbd_img_request *img_request)
{
set_bit(IMG_REQ_LAYERED, &img_request->flags);
- smp_mb();
}
static void img_request_layered_clear(struct rbd_img_request *img_request)
{
clear_bit(IMG_REQ_LAYERED, &img_request->flags);
- smp_mb();
}
static bool img_request_layered_test(struct rbd_img_request *img_request)
{
- smp_mb();
return test_bit(IMG_REQ_LAYERED, &img_request->flags) != 0;
}
--
2.19.2
