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cfq.h

cfq.h 3.7 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_group *curr_blkg, bool direction, bool sync)
    8. 

  8. {
    9. 

  9. 	blkiocg_update_io_add_stats(blkg, curr_blkg, direction, sync);
    10. 

  10. }
    11. 

  11. 

  12. static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
    13. 

  13. 			unsigned long dequeue)
    14. 

  14. {
    15. 

  15. 	blkiocg_update_dequeue_stats(blkg, dequeue);
    16. 

  16. }
    17. 

  17. 

  18. static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
    19. 

  19. 			unsigned long time, unsigned long unaccounted_time)
    20. 

  20. {
    21. 

  21. 	blkiocg_update_timeslice_used(blkg, time, unaccounted_time);
    22. 

  22. }
    23. 

  23. 

  24. static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg)
    25. 

  25. {
    26. 

  26. 	blkiocg_set_start_empty_time(blkg);
    27. 

  27. }
    28. 

  28. 

  29. static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
    30. 

  30. 				bool direction, bool sync)
    31. 

  31. {
    32. 

  32. 	blkiocg_update_io_remove_stats(blkg, direction, sync);
    33. 

  33. }
    34. 

  34. 

  35. static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
    36. 

  36. 		bool direction, bool sync)
    37. 

  37. {
    38. 

  38. 	blkiocg_update_io_merged_stats(blkg, direction, sync);
    39. 

  39. }
    40. 

  40. 

  41. static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
    42. 

  42. {
    43. 

  43. 	blkiocg_update_idle_time_stats(blkg);
    44. 

  44. }
    45. 

  45. 

  46. static inline void
    47. 

  47. cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
    48. 

  48. {
    49. 

  49. 	blkiocg_update_avg_queue_size_stats(blkg);
    50. 

  50. }
    51. 

  51. 

  52. static inline void
    53. 

  53. cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
    54. 

  54. {
    55. 

  55. 	blkiocg_update_set_idle_time_stats(blkg);
    56. 

  56. }
    57. 

  57. 

  58. static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
    59. 

  59. 				uint64_t bytes, bool direction, bool sync)
    60. 

  60. {
    61. 

  61. 	blkiocg_update_dispatch_stats(blkg, bytes, direction, sync);
    62. 

  62. }
    63. 

  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. 

  65. {
    66. 

  66. 	blkiocg_update_completion_stats(blkg, start_time, io_start_time,
    67. 

  67. 				direction, sync);
    68. 

  68. }
    69. 

  69. 

  70. static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
    71. 

  71. 			struct blkio_group *blkg, void *key, dev_t dev) {
    72. 

  72. 	blkiocg_add_blkio_group(blkcg, blkg, key, dev, BLKIO_POLICY_PROP);
    73. 

  73. }
    74. 

  74. 

  75. static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
    76. 

  76. {
    77. 

  77. 	return blkiocg_del_blkio_group(blkg);
    78. 

  78. }
    79. 

  79. 

  80. #else /* CFQ_GROUP_IOSCHED */
    81. 

  81. static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
    82. 

  82. 	struct blkio_group *curr_blkg, bool direction, bool sync) {}
    83. 

  83. 

  84. static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
    85. 

  85. 			unsigned long dequeue) {}
    86. 

  86. 

  87. static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
    88. 

  88. 			unsigned long time, unsigned long unaccounted_time) {}
    89. 

  89. static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) {}
    90. 

  90. static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
    91. 

  91. 				bool direction, bool sync) {}
    92. 

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

  93. 		bool direction, bool sync) {}
    94. 

  94. static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
    95. 

  95. {
    96. 

  96. }
    97. 

  97. static inline void
    98. 

  98. cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg) {}
    99. 

  99. 

  100. static inline void
    101. 

  101. cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg) {}
    102. 

  102. 

  103. static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
    104. 

  104. 				uint64_t bytes, bool direction, bool sync) {}
    105. 

  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. 

  106. 

  107. static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
    108. 

  108. 			struct blkio_group *blkg, void *key, dev_t dev) {}
    109. 

  109. static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
    110. 

  110. {
    111. 

  111. 	return 0;
    112. 

  112. }
    113. 

  113. 

  114. #endif /* CFQ_GROUP_IOSCHED */
    115. 

  115. #endif
    116. 

  116.