* Maximum number of blkcg policies allowed to be registered concurrently.
* Defined here to simplify include dependency.
*/
-#define BLKCG_MAX_POLS 5
+#define BLKCG_MAX_POLS 6
typedef void (rq_end_io_fn)(struct request *, blk_status_t);
void *end_io_data;
};
-static inline bool blk_op_is_scsi(unsigned int op)
-{
- return op == REQ_OP_SCSI_IN || op == REQ_OP_SCSI_OUT;
-}
-
-static inline bool blk_op_is_private(unsigned int op)
+static inline bool blk_op_is_passthrough(unsigned int op)
{
+ op &= REQ_OP_MASK;
return op == REQ_OP_DRV_IN || op == REQ_OP_DRV_OUT;
}
-static inline bool blk_rq_is_scsi(struct request *rq)
-{
- return blk_op_is_scsi(req_op(rq));
-}
-
-static inline bool blk_rq_is_private(struct request *rq)
-{
- return blk_op_is_private(req_op(rq));
-}
-
static inline bool blk_rq_is_passthrough(struct request *rq)
{
- return blk_rq_is_scsi(rq) || blk_rq_is_private(rq);
-}
-
-static inline bool bio_is_passthrough(struct bio *bio)
-{
- unsigned op = bio_op(bio);
-
- return blk_op_is_scsi(op) || blk_op_is_private(op);
-}
-
-static inline bool blk_op_is_passthrough(unsigned int op)
-{
- return (blk_op_is_scsi(op & REQ_OP_MASK) ||
- blk_op_is_private(op & REQ_OP_MASK));
+ return blk_op_is_passthrough(req_op(rq));
}
static inline unsigned short req_get_ioprio(struct request *req)
extern int blk_rq_map_user_iov(struct request_queue *, struct request *,
struct rq_map_data *, const struct iov_iter *,
gfp_t);
-extern void blk_execute_rq(struct gendisk *, struct request *, int);
extern void blk_execute_rq_nowait(struct gendisk *,
struct request *, int, rq_end_io_fn *);
+blk_status_t blk_execute_rq(struct gendisk *bd_disk, struct request *rq,
+ int at_head);
+
/* Helper to convert REQ_OP_XXX to its string format XXX */
extern const char *blk_op_str(unsigned int op);