block: increase BLKCG_MAX_POLS

[linux-2.6-microblaze.git] / include / linux / blkdev.h

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f69c75b..2e12320 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -25,6 +25,7 @@
 #include <linux/scatterlist.h>
 #include <linux/blkzoned.h>
 #include <linux/pm.h>
+#include <linux/sbitmap.h>
 
 struct module;
 struct scsi_ioctl_command;
@@ -56,7 +57,7 @@ struct blk_keyslot_manager;
  * 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);
 
@@ -239,42 +240,15 @@ struct request {
        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)
@@ -493,6 +467,9 @@ struct request_queue {
 
        atomic_t                nr_active_requests_shared_sbitmap;
 
+       struct sbitmap_queue    sched_bitmap_tags;
+       struct sbitmap_queue    sched_breserved_tags;
+
        struct list_head        icq_list;
 #ifdef CONFIG_BLK_CGROUP
        DECLARE_BITMAP          (blkcg_pols, BLKCG_MAX_POLS);
@@ -932,10 +909,12 @@ extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, uns
 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);
 
@@ -1209,7 +1188,6 @@ static inline int blk_rq_map_sg(struct request_queue *q, struct request *rq,
 extern void blk_dump_rq_flags(struct request *, char *);
 
 bool __must_check blk_get_queue(struct request_queue *);
-struct request_queue *blk_alloc_queue(int node_id);
 extern void blk_put_queue(struct request_queue *);
 extern void blk_set_queue_dying(struct request_queue *);