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 int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
  71 {
  72         return blkiocg_del_blkio_group(blkg);
  73 }
  74
  75 #else /* CFQ_GROUP_IOSCHED */
  76 static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
  77         struct blkio_group *curr_blkg, bool direction, bool sync) {}
  78
  79 static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
  80                         unsigned long dequeue) {}
  81
  82 static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
  83                         unsigned long time, unsigned long unaccounted_time) {}
  84 static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) {}
  85 static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
  86                                 bool direction, bool sync) {}
  87 static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
  88                 bool direction, bool sync) {}
  89 static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
  90 {
  91 }
  92 static inline void
  93 cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg) {}
  94
  95 static inline void
  96 cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg) {}
  97
  98 static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
  99                                 uint64_t bytes, bool direction, bool sync) {}
 100 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) {}
 101
 102 static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
 103 {
 104         return 0;
 105 }
 106
 107 #endif /* CFQ_GROUP_IOSCHED */
 108 #endif