bfq-iosched.h (3eb66e91a25497065c5322b1268cbc3953642227) bfq-iosched.h (73d58118498b14e4d2f2391105459b997b586ddc)
1/*
2 * Header file for the BFQ I/O scheduler: data structures and
3 * prototypes of interface functions among BFQ components.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of the
8 * License, or (at your option) any later version.

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496 * is reset. After this flag is reset for the entity,
497 * num_groups_with_pending_reqs won't be decremented any
498 * longer in case a new descendant queue of the entity remains
499 * with no request waiting for completion.
500 */
501 unsigned int num_groups_with_pending_reqs;
502
503 /*
1/*
2 * Header file for the BFQ I/O scheduler: data structures and
3 * prototypes of interface functions among BFQ components.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of the
8 * License, or (at your option) any later version.

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496 * is reset. After this flag is reset for the entity,
497 * num_groups_with_pending_reqs won't be decremented any
498 * longer in case a new descendant queue of the entity remains
499 * with no request waiting for completion.
500 */
501 unsigned int num_groups_with_pending_reqs;
502
503 /*
504 * Number of bfq_queues containing requests (including the
505 * queue in service, even if it is idling).
504 * Per-class (RT, BE, IDLE) number of bfq_queues containing
505 * requests (including the queue in service, even if it is
506 * idling).
506 */
507 */
507 int busy_queues;
508 unsigned int busy_queues[3];
508 /* number of weight-raised busy @bfq_queues */
509 int wr_busy_queues;
510 /* number of queued requests */
511 int queued;
512 /* number of requests dispatched and waiting for completion */
513 int rq_in_driver;
514
515 /*

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969 for (; entity ; entity = NULL)
970
971#define for_each_entity_safe(entity, parent) \
972 for (parent = NULL; entity ; entity = parent)
973#endif /* CONFIG_BFQ_GROUP_IOSCHED */
974
975struct bfq_group *bfq_bfqq_to_bfqg(struct bfq_queue *bfqq);
976struct bfq_queue *bfq_entity_to_bfqq(struct bfq_entity *entity);
509 /* number of weight-raised busy @bfq_queues */
510 int wr_busy_queues;
511 /* number of queued requests */
512 int queued;
513 /* number of requests dispatched and waiting for completion */
514 int rq_in_driver;
515
516 /*

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970 for (; entity ; entity = NULL)
971
972#define for_each_entity_safe(entity, parent) \
973 for (parent = NULL; entity ; entity = parent)
974#endif /* CONFIG_BFQ_GROUP_IOSCHED */
975
976struct bfq_group *bfq_bfqq_to_bfqg(struct bfq_queue *bfqq);
977struct bfq_queue *bfq_entity_to_bfqq(struct bfq_entity *entity);
978unsigned int bfq_tot_busy_queues(struct bfq_data *bfqd);
977struct bfq_service_tree *bfq_entity_service_tree(struct bfq_entity *entity);
978struct bfq_entity *bfq_entity_of(struct rb_node *node);
979unsigned short bfq_ioprio_to_weight(int ioprio);
980void bfq_put_idle_entity(struct bfq_service_tree *st,
981 struct bfq_entity *entity);
982struct bfq_service_tree *
983__bfq_entity_update_weight_prio(struct bfq_service_tree *old_st,
984 struct bfq_entity *entity,

--- 50 unchanged lines hidden --- 		979struct bfq_service_tree *bfq_entity_service_tree(struct bfq_entity *entity);
980struct bfq_entity *bfq_entity_of(struct rb_node *node);
981unsigned short bfq_ioprio_to_weight(int ioprio);
982void bfq_put_idle_entity(struct bfq_service_tree *st,
983 struct bfq_entity *entity);
984struct bfq_service_tree *
985__bfq_entity_update_weight_prio(struct bfq_service_tree *old_st,
986 struct bfq_entity *entity,

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