Root/block/cfq.h

1#ifndef _CFQ_H
2#define _CFQ_H
3#include "blk-cgroup.h"
4
5#ifdef CONFIG_CFQ_GROUP_IOSCHED
6static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
7    struct blkio_group *curr_blkg, bool direction, bool sync)
8{
9    blkiocg_update_io_add_stats(blkg, curr_blkg, direction, sync);
10}
11
12static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
13            unsigned long dequeue)
14{
15    blkiocg_update_dequeue_stats(blkg, dequeue);
16}
17
18static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
19            unsigned long time)
20{
21    blkiocg_update_timeslice_used(blkg, time);
22}
23
24static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg)
25{
26    blkiocg_set_start_empty_time(blkg);
27}
28
29static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
30                bool direction, bool sync)
31{
32    blkiocg_update_io_remove_stats(blkg, direction, sync);
33}
34
35static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
36        bool direction, bool sync)
37{
38    blkiocg_update_io_merged_stats(blkg, direction, sync);
39}
40
41static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
42{
43    blkiocg_update_idle_time_stats(blkg);
44}
45
46static inline void
47cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
48{
49    blkiocg_update_avg_queue_size_stats(blkg);
50}
51
52static inline void
53cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
54{
55    blkiocg_update_set_idle_time_stats(blkg);
56}
57
58static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
59                uint64_t bytes, bool direction, bool sync)
60{
61    blkiocg_update_dispatch_stats(blkg, bytes, direction, sync);
62}
63
64static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, uint64_t start_time, uint64_t io_start_time, bool direction, bool sync)
65{
66    blkiocg_update_completion_stats(blkg, start_time, io_start_time,
67                direction, sync);
68}
69
70static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
71            struct blkio_group *blkg, void *key, dev_t dev) {
72    blkiocg_add_blkio_group(blkcg, blkg, key, dev);
73}
74
75static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
76{
77    return blkiocg_del_blkio_group(blkg);
78}
79
80#else /* CFQ_GROUP_IOSCHED */
81static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
82    struct blkio_group *curr_blkg, bool direction, bool sync) {}
83
84static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
85            unsigned long dequeue) {}
86
87static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
88            unsigned long time) {}
89static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) {}
90static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
91                bool direction, bool sync) {}
92static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
93        bool direction, bool sync) {}
94static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
95{
96}
97static inline void
98cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg) {}
99
100static inline void
101cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg) {}
102
103static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
104                uint64_t bytes, bool direction, bool sync) {}
105static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, uint64_t start_time, uint64_t io_start_time, bool direction, bool sync) {}
106
107static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
108            struct blkio_group *blkg, void *key, dev_t dev) {}
109static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
110{
111    return 0;
112}
113
114#endif /* CFQ_GROUP_IOSCHED */
115#endif
116

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