LXR linux/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, BLKIO_POLICY_PROP);
  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