diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 3d9cf326574f..49c2dbcad583 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -200,6 +200,13 @@ struct request { struct request *next_rq; }; +#define req_op(req) (op_from_rq_bits((req)->cmd_flags)) +#define req_set_op(req, op) ((req)->cmd_flags |= op) +#define req_set_op_attrs(req, op, flags) do { \ + req_set_op(req, op); \ + (req)->cmd_flags |= flags; \ +} while (0) + static inline unsigned short req_get_ioprio(struct request *req) { return req->ioprio; @@ -597,7 +604,8 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist) -#define rq_data_dir(rq) ((int)((rq)->cmd_flags & 1)) +#define rq_data_dir(rq) \ + (op_is_write(op_from_rq_bits(rq->cmd_flags)) ? WRITE : READ) /* * Driver can handle struct request, if it either has an old style |