website-struct

Struct: deadline_data

Status

Regular

• In 4.4: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      sector_t last_sector;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
  };
  

• In 4.8: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
  };
  

• In 4.10: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
  };
  

• In 4.13: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
  };
  

• In 4.15: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
  };
  

• In 4.18: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
  };
  

• In 5.0: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In 5.3: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In 5.4: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In 5.8: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In 5.11: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In 5.13: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In 5.15: ✅

  struct deadline_data {
      struct dd_per_prio per_prio[3];
      enum dd_data_dir last_dir;
      unsigned int batching;
      unsigned int starved;
      struct io_stats *stats;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      u32 async_depth;
      spinlock_t lock;
      spinlock_t zone_lock;
  };
  

• In 5.19: ✅

  struct deadline_data {
      struct dd_per_prio per_prio[3];
      enum dd_data_dir last_dir;
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      u32 async_depth;
      int prio_aging_expire;
      spinlock_t lock;
      spinlock_t zone_lock;
  };
  

• In 6.2: ✅

  struct deadline_data {
      struct dd_per_prio per_prio[3];
      enum dd_data_dir last_dir;
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      u32 async_depth;
      int prio_aging_expire;
      spinlock_t lock;
      spinlock_t zone_lock;
  };
  

• In 6.5: ✅

  struct deadline_data {
      struct dd_per_prio per_prio[3];
      enum dd_data_dir last_dir;
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      u32 async_depth;
      int prio_aging_expire;
      spinlock_t lock;
      spinlock_t zone_lock;
  };
  

• In 6.8: ✅

  struct deadline_data {
      struct dd_per_prio per_prio[3];
      enum dd_data_dir last_dir;
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      u32 async_depth;
      int prio_aging_expire;
      spinlock_t lock;
      spinlock_t zone_lock;
  };
  

Arch

• In arm64: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In armhf: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In ppc64el: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In riscv64: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

Flavor

• In aws: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In azure: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In gcp: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

• In lowlatency: ✅

  struct deadline_data {
      struct rb_root sort_list[2];
      struct list_head fifo_list[2];
      struct request * next_rq[2];
      unsigned int batching;
      unsigned int starved;
      int fifo_expire[2];
      int fifo_batch;
      int writes_starved;
      int front_merges;
      spinlock_t lock;
      spinlock_t zone_lock;
      struct list_head dispatch;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field removed. sector_t last_sector
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• Changed between 4.18 and 5.0 ⚠️

  • Field added. spinlock_t lock
  • Field added. spinlock_t zone_lock
  • Field added. struct list_head dispatch
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. struct dd_per_prio per_prio[3]
  • Field added. enum dd_data_dir last_dir
  • Field added. struct io_stats *stats
  • Field added. u32 async_depth
  • Field removed. struct rb_root sort_list[2]
  • Field removed. struct list_head fifo_list[2]
  • Field removed. struct request * next_rq[2]
  • Field removed. struct list_head dispatch
• Changed between 5.15 and 5.19 ⚠️

  • Field added. int prio_aging_expire
  • Field removed. struct io_stats *stats
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅