DepSurf

Struct: dm_kcopyd_client

Status

Regular

• In 4.4: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      atomic_t nr_jobs;
      mempool_t *job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      spinlock_t job_lock;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 4.8: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      atomic_t nr_jobs;
      mempool_t *job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      spinlock_t job_lock;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 4.10: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      atomic_t nr_jobs;
      mempool_t *job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      spinlock_t job_lock;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 4.13: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      atomic_t nr_jobs;
      mempool_t *job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      spinlock_t job_lock;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 4.15: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      atomic_t nr_jobs;
      mempool_t *job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      spinlock_t job_lock;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 4.18: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.0: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.3: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.4: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.8: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.11: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.13: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.15: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 5.19: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 6.2: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 6.5: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In 6.8: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

Arch

• In arm64: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In armhf: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In ppc64el: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In riscv64: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

Flavor

• In aws: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In azure: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In gcp: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

• In lowlatency: ✅

  struct dm_kcopyd_client {
      struct page_list *pages;
      unsigned int nr_reserved_pages;
      unsigned int nr_free_pages;
      unsigned int sub_job_size;
      struct dm_io_client *io_client;
      wait_queue_head_t destroyq;
      mempool_t job_pool;
      struct workqueue_struct *kcopyd_wq;
      struct work_struct kcopyd_work;
      struct dm_kcopyd_throttle *throttle;
      atomic_t nr_jobs;
      spinlock_t job_lock;
      struct list_head callback_jobs;
      struct list_head complete_jobs;
      struct list_head io_jobs;
      struct list_head pages_jobs;
  };
  

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 ✅
• No changes between 4.13 and 4.15 ✅
• Changed between 4.15 and 4.18 ⚠️

  • Field type changed. mempool_t *job_pool ➡️ mempool_t job_pool
• Changed between 4.18 and 5.0 ⚠️

  • Field added. struct list_head callback_jobs
• Changed between 5.0 and 5.3 ⚠️

  • Field added. unsigned int sub_job_size
• 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 ✅