website-struct

Struct: kioctx

Status

Regular

• In 4.4: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct work_struct free_work;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 4.8: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct work_struct free_work;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 4.10: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct work_struct free_work;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 4.13: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct work_struct free_work;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 4.15: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct callback_head free_rcu;
      struct work_struct free_work;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 4.18: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.0: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.3: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.4: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.8: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.11: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.13: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.15: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 5.19: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 6.2: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 6.5: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In 6.8: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

Arch

• In arm64: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In armhf: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In ppc64el: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In riscv64: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

Flavor

• In aws: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In azure: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In gcp: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

• In lowlatency: ✅

  struct kioctx {
      struct percpu_ref users;
      atomic_t dead;
      struct percpu_ref reqs;
      long unsigned int user_id;
      struct kioctx_cpu *cpu;
      unsigned int req_batch;
      unsigned int max_reqs;
      unsigned int nr_events;
      long unsigned int mmap_base;
      long unsigned int mmap_size;
      struct page **ring_pages;
      long int nr_pages;
      struct rcu_work free_rwork;
      struct ctx_rq_wait *rq_wait;
      atomic_t reqs_available;
      spinlock_t ctx_lock;
      struct list_head active_reqs;
      struct mutex ring_lock;
      wait_queue_head_t wait;
      unsigned int tail;
      unsigned int completed_events;
      spinlock_t completion_lock;
      struct page * internal_pages[8];
      struct file *aio_ring_file;
      unsigned int id;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field added. struct callback_head free_rcu
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct rcu_work free_rwork
  • Field removed. struct callback_head free_rcu
  • Field removed. struct work_struct free_work
• No changes between 4.18 and 5.0 ✅
• 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 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• 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 ✅