On 12/30/19 2:29 AM, Jack Wang wrote:
+struct rnbd_iu {
+ union {
+ struct request *rq; /* for block io */
+ void *buf; /* for user messages */
+ };
+ struct rtrs_permit *permit;
+ union {
+ /* use to send msg associated with a dev */
+ struct rnbd_clt_dev *dev;
+ /* use to send msg associated with a sess */
+ struct rnbd_clt_session *sess;
+ };
+ blk_status_t status;
+ struct scatterlist sglist[BMAX_SEGMENTS];
+ struct work_struct work;
+ int errno;
+ struct rnbd_iu_comp comp;
+ atomic_t refcount;
+};
This data structure includes both a blk_status_t and an errno value. Can
these two members be combined into a single member?
Thanks,
Bart.
