block/cfq.h

   1 #ifndef _CFQ_H
   2 #define _CFQ_H
   3 #include "blk-cgroup.h"
   4
   5 #ifdef CONFIG_CFQ_GROUP_IOSCHED
   6 static 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
  12 static 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
  18 static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
  19                         unsigned long time, unsigned long unaccounted_time)
  20 {
  21         blkiocg_update_timeslice_used(blkg, time, unaccounted_time);
  22 }
  23
  24 static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg)
  25 {
  26         blkiocg_set_start_empty_time(blkg);
  27 }
  28
  29 static 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
  35 static 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
  41 static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
  42 {
  43         blkiocg_update_idle_time_stats(blkg);
  44 }
  45
  46 static inline void
  47 cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
  48 {
  49         blkiocg_update_avg_queue_size_stats(blkg);
  50 }
  51
  52 static inline void
  53 cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
  54 {
  55         blkiocg_update_set_idle_time_stats(blkg);
  56 }
  57
  58 static 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
  64 static 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
  70 static 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
  75 static 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 */
  81 static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
  82         struct blkio_group *curr_blkg, bool direction, bool sync) {}
  83
  84 static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
  85                         unsigned long dequeue) {}
  86
  87 static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
  88                         unsigned long time, unsigned long unaccounted_time) {}
  89 static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) {}
  90 static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
  91                                 bool direction, bool sync) {}
  92 static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
  93                 bool direction, bool sync) {}
  94 static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
  95 {
  96 }
  97 static inline void
  98 cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg) {}
  99
 100 static inline void
 101 cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg) {}
 102
 103 static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
 104                                 uint64_t bytes, bool direction, bool sync) {}
 105 static 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
 107 static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
 108                         struct blkio_group *blkg, void *key, dev_t dev) {}
 109 static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
 110 {
 111         return 0;
 112 }
 113
 114 #endif /* CFQ_GROUP_IOSCHED */
 115 #endif