diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /block/bfq.h | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'block/bfq.h')
-rw-r--r-- | block/bfq.h | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/block/bfq.h b/block/bfq.h index 49d28b9dc..00142fcce 100644 --- a/block/bfq.h +++ b/block/bfq.h @@ -1,5 +1,5 @@ /* - * BFQ-v8r3 for 4.7.0: data structures and common functions prototypes. + * BFQ-v8r3 for 4.8.0: data structures and common functions prototypes. * * Based on ideas and code from CFQ: * Copyright (C) 2003 Jens Axboe <axboe@kernel.dk> @@ -7,7 +7,9 @@ * Copyright (C) 2008 Fabio Checconi <fabio@gandalf.sssup.it> * Paolo Valente <paolo.valente@unimore.it> * - * Copyright (C) 2010 Paolo Valente <paolo.valente@unimore.it> + * Copyright (C) 2015 Paolo Valente <paolo.valente@unimore.it> + * + * Copyright (C) 2016 Paolo Valente <paolo.valente@linaro.org> */ #ifndef _BFQ_H @@ -55,8 +57,8 @@ struct bfq_service_tree { /* tree for idle entities (i.e., not backlogged, with V <= F_i)*/ struct rb_root idle; - struct bfq_entity *first_idle; /* idle entity with minimum F_i */ - struct bfq_entity *last_idle; /* idle entity with maximum F_i */ + struct bfq_entity *first_idle; /* idle entity with minimum F_i */ + struct bfq_entity *last_idle; /* idle entity with maximum F_i */ u64 vtime; /* scheduler virtual time */ /* scheduler weight sum; active and idle entities contribute to it */ @@ -158,7 +160,7 @@ struct bfq_entity { /* budget, used also to calculate F_i: F_i = S_i + @budget / @weight */ int budget; - unsigned int weight; /* weight of the queue */ + unsigned int weight; /* weight of the queue */ unsigned int new_weight; /* next weight if a change is in progress */ /* original weight, used to implement weight boosting */ @@ -304,11 +306,11 @@ struct bfq_queue { * struct bfq_ttime - per process thinktime stats. */ struct bfq_ttime { - unsigned long last_end_request; /* completion time of last request */ + u64 last_end_request; /* completion time of last request */ - unsigned long ttime_total; /* total process thinktime */ + u64 ttime_total; /* total process thinktime */ unsigned long ttime_samples; /* number of thinktime samples */ - unsigned long ttime_mean; /* average process thinktime */ + u64 ttime_mean; /* average process thinktime */ }; @@ -417,7 +419,7 @@ struct bfq_data { * Timer set when idling (waiting) for the next request from * the queue in service. */ - struct timer_list idle_slice_timer; + struct hrtimer idle_slice_timer; /* delayed work to restart dispatching on the request queue */ struct work_struct unplug_work; @@ -449,13 +451,13 @@ struct bfq_data { * Timeout for async/sync requests; when it fires, requests * are served in fifo order. */ - unsigned int bfq_fifo_expire[2]; + u64 bfq_fifo_expire[2]; /* weight of backward seeks wrt forward ones */ unsigned int bfq_back_penalty; /* maximum allowed backward seek */ unsigned int bfq_back_max; /* maximum idling time */ - unsigned int bfq_slice_idle; + u64 bfq_slice_idle; /* last time CLASS_IDLE was served */ u64 bfq_class_idle_last_service; @@ -788,7 +790,7 @@ bfq_entity_service_tree(struct bfq_entity *entity) if (bfqq) bfq_log_bfqq(bfqq->bfqd, bfqq, "entity_service_tree %p %d", - sched_data->service_tree + idx, idx) ; + sched_data->service_tree + idx, idx); #ifdef CONFIG_BFQ_GROUP_IOSCHED else { struct bfq_group *bfqg = @@ -796,7 +798,7 @@ bfq_entity_service_tree(struct bfq_entity *entity) bfq_log_bfqg((struct bfq_data *)bfqg->bfqd, bfqg, "entity_service_tree %p %d", - sched_data->service_tree + idx, idx) ; + sched_data->service_tree + idx, idx); } #endif return sched_data->service_tree + idx; |