[PATCH] rbd: Convert to use the preferred fallthrough macro

[Miaohe Lin]

Convert the uses of fallthrough comments to fallthrough macro.

Signed-off-by: Hongxiang Lou <louhongxi...@huawei.com>
Signed-off-by: Miaohe Lin <linmia...@huawei.com>
---
 drivers/block/rbd.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index d9c0e7d154f9..011539039693 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3293,7 +3293,7 @@ static bool rbd_obj_advance_copyup(struct rbd_obj_request 
*obj_req, int *result)
        case __RBD_OBJ_COPYUP_OBJECT_MAPS:
                if (!pending_result_dec(&obj_req->pending, result))
                        return false;
-               /* fall through */
+               fallthrough;
        case RBD_OBJ_COPYUP_OBJECT_MAPS:
                if (*result) {
                        rbd_warn(rbd_dev, "snap object map update failed: %d",
@@ -3312,7 +3312,7 @@ static bool rbd_obj_advance_copyup(struct rbd_obj_request 
*obj_req, int *result)
        case __RBD_OBJ_COPYUP_WRITE_OBJECT:
                if (!pending_result_dec(&obj_req->pending, result))
                        return false;
-               /* fall through */
+               fallthrough;
        case RBD_OBJ_COPYUP_WRITE_OBJECT:
                return true;
        default:
@@ -3399,7 +3399,7 @@ static bool rbd_obj_advance_write(struct rbd_obj_request 
*obj_req, int *result)
        case __RBD_OBJ_WRITE_COPYUP:
                if (!rbd_obj_advance_copyup(obj_req, result))
                        return false;
-               /* fall through */
+               fallthrough;
        case RBD_OBJ_WRITE_COPYUP:
                if (*result) {
                        rbd_warn(rbd_dev, "copyup failed: %d", *result);
@@ -3592,7 +3592,7 @@ static bool rbd_img_advance(struct rbd_img_request 
*img_req, int *result)
        case __RBD_IMG_OBJECT_REQUESTS:
                if (!pending_result_dec(&img_req->pending, result))
                        return false;
-               /* fall through */
+               fallthrough;
        case RBD_IMG_OBJECT_REQUESTS:
                return true;
        default:
-- 
2.19.1