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cfq.h

cfq.h 4.2 KB
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  1. #ifndef _CFQ_H
    2. 

  2. #define _CFQ_H
    3. 

  3. #include "blk-cgroup.h"
    4. 

  4. 

  5. #ifdef CONFIG_CFQ_GROUP_IOSCHED
    6. 

  6. static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
    7. 

  7. 			struct blkio_policy_type *pol,
    8. 

  8. 			struct blkio_group *curr_blkg,
    9. 

  9. 			bool direction, bool sync)
    10. 

  10. {
    11. 

  11. 	blkiocg_update_io_add_stats(blkg, pol, curr_blkg, direction, sync);
    12. 

  12. }
    13. 

  13. 

  14. static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
    15. 

  15. 			struct blkio_policy_type *pol, unsigned long dequeue)
    16. 

  16. {
    17. 

  17. 	blkiocg_update_dequeue_stats(blkg, pol, dequeue);
    18. 

  18. }
    19. 

  19. 

  20. static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
    21. 

  21. 			struct blkio_policy_type *pol, unsigned long time,
    22. 

  22. 			unsigned long unaccounted_time)
    23. 

  23. {
    24. 

  24. 	blkiocg_update_timeslice_used(blkg, pol, time, unaccounted_time);
    25. 

  25. }
    26. 

  26. 

  27. static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg,
    28. 

  28. 			struct blkio_policy_type *pol)
    29. 

  29. {
    30. 

  30. 	blkiocg_set_start_empty_time(blkg, pol);
    31. 

  31. }
    32. 

  32. 

  33. static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
    34. 

  34. 			struct blkio_policy_type *pol, bool direction,
    35. 

  35. 			bool sync)
    36. 

  36. {
    37. 

  37. 	blkiocg_update_io_remove_stats(blkg, pol, direction, sync);
    38. 

  38. }
    39. 

  39. 

  40. static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
    41. 

  41. 			struct blkio_policy_type *pol, bool direction,
    42. 

  42. 			bool sync)
    43. 

  43. {
    44. 

  44. 	blkiocg_update_io_merged_stats(blkg, pol, direction, sync);
    45. 

  45. }
    46. 

  46. 

  47. static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg,
    48. 

  48. 			struct blkio_policy_type *pol)
    49. 

  49. {
    50. 

  50. 	blkiocg_update_idle_time_stats(blkg, pol);
    51. 

  51. }
    52. 

  52. 

  53. static inline void
    54. 

  54. cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg,
    55. 

  55. 			struct blkio_policy_type *pol)
    56. 

  56. {
    57. 

  57. 	blkiocg_update_avg_queue_size_stats(blkg, pol);
    58. 

  58. }
    59. 

  59. 

  60. static inline void
    61. 

  61. cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg,
    62. 

  62. 			struct blkio_policy_type *pol)
    63. 

  63. {
    64. 

  64. 	blkiocg_update_set_idle_time_stats(blkg, pol);
    65. 

  65. }
    66. 

  66. 

  67. static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
    68. 

  68. 			struct blkio_policy_type *pol, uint64_t bytes,
    69. 

  69. 			bool direction, bool sync)
    70. 

  70. {
    71. 

  71. 	blkiocg_update_dispatch_stats(blkg, pol, bytes, direction, sync);
    72. 

  72. }
    73. 

  73. 

  74. static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg,
    75. 

  75. 			struct blkio_policy_type *pol, uint64_t start_time,
    76. 

  76. 			uint64_t io_start_time, bool direction, bool sync)
    77. 

  77. {
    78. 

  78. 	blkiocg_update_completion_stats(blkg, pol, start_time, io_start_time,
    79. 

  79. 					direction, sync);
    80. 

  80. }
    81. 

  81. 

  82. static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
    83. 

  83. {
    84. 

  84. 	return blkiocg_del_blkio_group(blkg);
    85. 

  85. }
    86. 

  86. 

  87. #else /* CFQ_GROUP_IOSCHED */
    88. 

  88. static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
    89. 

  89. 			struct blkio_policy_type *pol,
    90. 

  90. 			struct blkio_group *curr_blkg, bool direction,
    91. 

  91. 			bool sync) { }
    92. 

  92. static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
    93. 

  93. 			struct blkio_policy_type *pol, unsigned long dequeue) { }
    94. 

  94. static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
    95. 

  95. 			struct blkio_policy_type *pol, unsigned long time,
    96. 

  96. 			unsigned long unaccounted_time) { }
    97. 

  97. static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg,
    98. 

  98. 			struct blkio_policy_type *pol) { }
    99. 

  99. static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
    100. 

  100. 			struct blkio_policy_type *pol, bool direction,
    101. 

  101. 			bool sync) { }
    102. 

  102. static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
    103. 

  103. 			struct blkio_policy_type *pol, bool direction,
    104. 

  104. 			bool sync) { }
    105. 

  105. static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg,
    106. 

  106. 			struct blkio_policy_type *pol) { }
    107. 

  107. static inline void
    108. 

  108. cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg,
    109. 

  109. 					struct blkio_policy_type *pol) { }
    110. 

  110. 

  111. static inline void
    112. 

  112. cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg,
    113. 

  113. 				       struct blkio_policy_type *pol) { }
    114. 

  114. 

  115. static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
    116. 

  116. 			struct blkio_policy_type *pol, uint64_t bytes,
    117. 

  117. 			bool direction, bool sync) { }
    118. 

  118. static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg,
    119. 

  119. 			struct blkio_policy_type *pol, uint64_t start_time,
    120. 

  120. 			uint64_t io_start_time, bool direction, bool sync) { }
    121. 

  121. 

  122. static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
    123. 

  123. {
    124. 

  124. 	return 0;
    125. 

  125. }
    126. 

  126. 

  127. #endif /* CFQ_GROUP_IOSCHED */
    128. 

  128. #endif
    129.