rbd: use kmem_cache_zalloc() in rbd_img_request_create()

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 89d00038b7ce0f3efca6a2c246926b9f4bed6615..7646a2d3119c12de78bc184bba704b09fc11e871 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2124,15 +2124,13 @@ static struct rbd_img_request *rbd_img_request_create(
 {
        struct rbd_img_request *img_request;
 
-       img_request = kmem_cache_alloc(rbd_img_request_cache, GFP_NOIO);
+       img_request = kmem_cache_zalloc(rbd_img_request_cache, GFP_NOIO);
        if (!img_request)
                return NULL;
 
-       img_request->rq = NULL;
        img_request->rbd_dev = rbd_dev;
        img_request->offset = offset;
        img_request->length = length;
-       img_request->flags = 0;
        if (op_type == OBJ_OP_DISCARD) {
                img_request_discard_set(img_request);
                img_request->snapc = snapc;
@@ -2144,11 +2142,8 @@ static struct rbd_img_request *rbd_img_request_create(
        }
        if (rbd_dev_parent_get(rbd_dev))
                img_request_layered_set(img_request);
+
        spin_lock_init(&img_request->completion_lock);
-       img_request->next_completion = 0;
-       img_request->callback = NULL;
-       img_request->result = 0;
-       img_request->obj_request_count = 0;
        INIT_LIST_HEAD(&img_request->obj_requests);
        kref_init(&img_request->kref);