website-struct

Struct: request

Status

Regular

• In 4.4: ✅

  struct request {
      struct list_head queuelist;
      struct call_single_data csd;
      long unsigned int fifo_time;
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      u64 cmd_flags;
      unsigned int cmd_type;
      long unsigned int atomic_flags;
      int cpu;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      void *completion_data;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      long unsigned int start_time;
      struct request_list *rl;
      long long unsigned int start_time_ns;
      long long unsigned int io_start_time_ns;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int ioprio;
      void *special;
      int tag;
      int errors;
      unsigned char __cmd[16];
      unsigned char *cmd;
      short unsigned int cmd_len;
      unsigned int extra_len;
      unsigned int sense_len;
      unsigned int resid_len;
      void *sense;
      long unsigned int deadline;
      struct list_head timeout_list;
      unsigned int timeout;
      int retries;
      rq_end_io_fn *end_io;
      void *end_io_data;
      struct request *next_rq;
  };
  

• In 4.8: ✅

  struct request {
      struct list_head queuelist;
      struct call_single_data csd;
      u64 fifo_time;
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      int cpu;
      unsigned int cmd_type;
      u64 cmd_flags;
      long unsigned int atomic_flags;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      void *completion_data;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      long unsigned int start_time;
      struct request_list *rl;
      long long unsigned int start_time_ns;
      long long unsigned int io_start_time_ns;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int ioprio;
      void *special;
      int tag;
      int errors;
      unsigned char __cmd[16];
      unsigned char *cmd;
      short unsigned int cmd_len;
      unsigned int extra_len;
      unsigned int sense_len;
      unsigned int resid_len;
      void *sense;
      long unsigned int deadline;
      struct list_head timeout_list;
      unsigned int timeout;
      int retries;
      rq_end_io_fn *end_io;
      void *end_io_data;
      struct request *next_rq;
  };
  

• In 4.10: ✅

  struct request {
      struct list_head queuelist;
      struct call_single_data csd;
      u64 fifo_time;
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      int cpu;
      unsigned int cmd_type;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      long unsigned int atomic_flags;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      long unsigned int start_time;
      struct blk_issue_stat issue_stat;
      struct request_list *rl;
      long long unsigned int start_time_ns;
      long long unsigned int io_start_time_ns;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int ioprio;
      void *special;
      int tag;
      int errors;
      unsigned char __cmd[16];
      unsigned char *cmd;
      short unsigned int cmd_len;
      unsigned int extra_len;
      unsigned int sense_len;
      unsigned int resid_len;
      void *sense;
      long unsigned int deadline;
      struct list_head timeout_list;
      unsigned int timeout;
      int retries;
      rq_end_io_fn *end_io;
      void *end_io_data;
      struct request *next_rq;
  };
  

• In 4.13: ✅

  struct request {
      struct list_head queuelist;
      struct call_single_data csd;
      u64 fifo_time;
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      int cpu;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int internal_tag;
      long unsigned int atomic_flags;
      unsigned int __data_len;
      int tag;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      long unsigned int start_time;
      struct blk_issue_stat issue_stat;
      struct request_list *rl;
      long long unsigned int start_time_ns;
      long long unsigned int io_start_time_ns;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int ioprio;
      unsigned int timeout;
      void *special;
      unsigned int extra_len;
      short unsigned int write_hint;
      long unsigned int deadline;
      struct list_head timeout_list;
      rq_end_io_fn *end_io;
      void *end_io_data;
      struct request *next_rq;
  };
  

• In 4.15: ✅

  struct request {
      struct list_head queuelist;
      struct __call_single_data csd;
      u64 fifo_time;
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      int cpu;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int internal_tag;
      long unsigned int atomic_flags;
      unsigned int __data_len;
      int tag;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      long unsigned int start_time;
      struct blk_issue_stat issue_stat;
      struct request_list *rl;
      long long unsigned int start_time_ns;
      long long unsigned int io_start_time_ns;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int ioprio;
      unsigned int timeout;
      void *special;
      unsigned int extra_len;
      short unsigned int write_hint;
      long unsigned int deadline;
      struct list_head timeout_list;
      rq_end_io_fn *end_io;
      void *end_io_data;
      struct request *next_rq;
  };
  

• In 4.18: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      int cpu;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int internal_tag;
      unsigned int __data_len;
      int tag;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      void *special;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int __deadline;
      struct list_head timeout_list;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
      struct request *next_rq;
      struct request_list *rl;
  };
  

• In 5.0: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int internal_tag;
      unsigned int __data_len;
      int tag;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      void *special;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
      struct request *next_rq;
  };
  

• In 5.3: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 5.4: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 5.8: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_ksm_keyslot *crypt_keyslot;
      short unsigned int write_hint;
      short unsigned int ioprio;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 5.11: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct block_device *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_ksm_keyslot *crypt_keyslot;
      short unsigned int write_hint;
      short unsigned int ioprio;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 5.13: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct llist_node ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct block_device *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_ksm_keyslot *crypt_keyslot;
      short unsigned int write_hint;
      short unsigned int ioprio;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 5.15: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct llist_node ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct block_device *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_ksm_keyslot *crypt_keyslot;
      short unsigned int write_hint;
      short unsigned int ioprio;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 5.19: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int timeout;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct request *rq_next;
      struct block_device *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_crypto_keyslot *crypt_keyslot;
      short unsigned int write_hint;
      short unsigned int ioprio;
      enum mq_rq_state state;
      atomic_t ref;
      long unsigned int deadline;
      struct hlist_node hash;
      struct llist_node ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      struct (anon) elv;
      struct (anon) flush;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 6.2: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      blk_opf_t cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int timeout;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct request *rq_next;
      struct block_device *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_crypto_keyslot *crypt_keyslot;
      short unsigned int ioprio;
      enum mq_rq_state state;
      atomic_t ref;
      long unsigned int deadline;
      struct hlist_node hash;
      struct llist_node ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      struct (anon) elv;
      struct (anon) flush;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 6.5: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      blk_opf_t cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int timeout;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct request *rq_next;
      struct block_device *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_crypto_keyslot *crypt_keyslot;
      short unsigned int ioprio;
      enum mq_rq_state state;
      atomic_t ref;
      long unsigned int deadline;
      struct hlist_node hash;
      struct llist_node ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      struct (anon) elv;
      struct (anon) flush;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In 6.8: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      blk_opf_t cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int timeout;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct request *rq_next;
      struct block_device *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      struct bio_crypt_ctx *crypt_ctx;
      struct blk_crypto_keyslot *crypt_keyslot;
      short unsigned int ioprio;
      enum mq_rq_state state;
      atomic_t ref;
      long unsigned int deadline;
      struct hlist_node hash;
      struct llist_node ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      struct (anon) elv;
      struct (anon) flush;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

Arch

• In arm64: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In armhf: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In ppc64el: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In riscv64: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

Flavor

• In aws: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In azure: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In gcp: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

• In lowlatency: ✅

  struct request {
      struct request_queue *q;
      struct blk_mq_ctx *mq_ctx;
      struct blk_mq_hw_ctx *mq_hctx;
      unsigned int cmd_flags;
      req_flags_t rq_flags;
      int tag;
      int internal_tag;
      unsigned int __data_len;
      sector_t __sector;
      struct bio *bio;
      struct bio *biotail;
      struct list_head queuelist;
      struct hlist_node hash;
      struct list_head ipi_list;
      struct rb_node rb_node;
      struct bio_vec special_vec;
      void *completion_data;
      int error_count;
      struct (anon) elv;
      struct (anon) flush;
      struct gendisk *rq_disk;
      struct hd_struct *part;
      u64 alloc_time_ns;
      u64 start_time_ns;
      u64 io_start_time_ns;
      short unsigned int wbt_flags;
      short unsigned int stats_sectors;
      short unsigned int nr_phys_segments;
      short unsigned int nr_integrity_segments;
      short unsigned int write_hint;
      short unsigned int ioprio;
      unsigned int extra_len;
      enum mq_rq_state state;
      refcount_t ref;
      unsigned int timeout;
      long unsigned int deadline;
      struct __call_single_data csd;
      u64 fifo_time;
      rq_end_io_fn *end_io;
      void *end_io_data;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field type changed. long unsigned int fifo_time ➡️ u64 fifo_time
• Changed between 4.8 and 4.10 ⚠️

  • Field added. req_flags_t rq_flags
  • Field added. struct bio_vec special_vec
  • Field added. struct blk_issue_stat issue_stat
  • Field type changed. u64 cmd_flags ➡️ unsigned int cmd_flags
• Changed between 4.10 and 4.13 ⚠️

  • Field added. int internal_tag
  • Field added. int error_count
  • Field added. short unsigned int write_hint
  • Field removed. unsigned int cmd_type
  • Field removed. int errors
  • Field removed. unsigned char __cmd[16]
  • Field removed. unsigned char *cmd
  • Field removed. short unsigned int cmd_len
  • Field removed. unsigned int sense_len
  • Field removed. unsigned int resid_len
  • Field removed. void *sense
  • Field removed. int retries
• Changed between 4.13 and 4.15 ⚠️

  • Field type changed. struct call_single_data csd ➡️ struct __call_single_data csd
• Changed between 4.15 and 4.18 ⚠️

  • Field added. short unsigned int wbt_flags
  • Field added. enum mq_rq_state state
  • Field added. refcount_t ref
  • Field added. long unsigned int __deadline
  • Field removed. long unsigned int atomic_flags
  • Field removed. long unsigned int start_time
  • Field removed. struct blk_issue_stat issue_stat
  • Field removed. long unsigned int deadline
  • Field type changed. long long unsigned int start_time_ns ➡️ u64 start_time_ns
  • Field type changed. long long unsigned int io_start_time_ns ➡️ u64 io_start_time_ns
• Changed between 4.18 and 5.0 ⚠️

  • Field added. struct blk_mq_hw_ctx *mq_hctx
  • Field added. long unsigned int deadline
  • Field removed. int cpu
  • Field removed. long unsigned int __deadline
  • Field removed. struct list_head timeout_list
  • Field removed. struct request_list *rl
• Changed between 5.0 and 5.3 ⚠️

  • Field removed. void *special
  • Field removed. struct request *next_rq
• Changed between 5.3 and 5.4 ⚠️

  • Field added. u64 alloc_time_ns
  • Field added. short unsigned int stats_sectors
• Changed between 5.4 and 5.8 ⚠️

  • Field added. struct bio_crypt_ctx *crypt_ctx
  • Field added. struct blk_ksm_keyslot *crypt_keyslot
  • Field removed. unsigned int extra_len
• Changed between 5.8 and 5.11 ⚠️

  • Field type changed. struct hd_struct *part ➡️ struct block_device *part
• Changed between 5.11 and 5.13 ⚠️

  • Field type changed. struct list_head ipi_list ➡️ struct llist_node ipi_list
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field added. struct request *rq_next
  • Field removed. int error_count
  • Field removed. struct gendisk *rq_disk
  • Field type changed. struct blk_ksm_keyslot *crypt_keyslot ➡️ struct blk_crypto_keyslot *crypt_keyslot
  • Field type changed. refcount_t ref ➡️ atomic_t ref
• Changed between 5.19 and 6.2 ⚠️

  • Field removed. short unsigned int write_hint
  • Field type changed. unsigned int cmd_flags ➡️ blk_opf_t cmd_flags
• Changed between 6.2 and 6.5 ⚠️

  • Field removed. void *completion_data
• Changed between 6.5 and 6.8 ⚠️

  • Field removed. struct __call_single_data csd

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 ✅