website-struct

Struct: gendisk

Status

Regular

• In 4.4: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      unsigned int events;
      unsigned int async_events;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct device *driverfs_dev;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
  };
  

• In 4.8: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      unsigned int events;
      unsigned int async_events;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
  };
  

• In 4.10: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      unsigned int events;
      unsigned int async_events;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
  };
  

• In 4.13: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      unsigned int events;
      unsigned int async_events;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
  };
  

• In 4.15: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      unsigned int events;
      unsigned int async_events;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 4.18: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      unsigned int events;
      unsigned int async_events;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 5.0: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      unsigned int events;
      unsigned int async_events;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 5.3: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 5.4: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 5.8: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 5.11: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct block_device *part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      long unsigned int state;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 5.13: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct xarray part_tbl;
      struct block_device *part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      long unsigned int state;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In 5.15: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct xarray part_tbl;
      struct block_device *part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      long unsigned int state;
      struct mutex open_mutex;
      unsigned int open_partitions;
      struct backing_dev_info *bdi;
      struct kobject *slave_dir;
      struct list_head slave_bdevs;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
      u64 diskseq;
  };
  

• In 5.19: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct xarray part_tbl;
      struct block_device *part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      long unsigned int state;
      struct mutex open_mutex;
      unsigned int open_partitions;
      struct backing_dev_info *bdi;
      struct kobject *slave_dir;
      struct list_head slave_bdevs;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
      u64 diskseq;
  };
  

• In 6.2: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct xarray part_tbl;
      struct block_device *part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      struct bio_set bio_split;
      int flags;
      long unsigned int state;
      struct mutex open_mutex;
      unsigned int open_partitions;
      struct backing_dev_info *bdi;
      struct kobject queue_kobj;
      struct kobject *slave_dir;
      struct list_head slave_bdevs;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      unsigned int nr_zones;
      unsigned int max_open_zones;
      unsigned int max_active_zones;
      long unsigned int *conv_zones_bitmap;
      long unsigned int *seq_zones_wlock;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
      u64 diskseq;
      struct blk_independent_access_ranges *ia_ranges;
  };
  

• In 6.5: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct xarray part_tbl;
      struct block_device *part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      struct bio_set bio_split;
      int flags;
      long unsigned int state;
      struct mutex open_mutex;
      unsigned int open_partitions;
      struct backing_dev_info *bdi;
      struct kobject queue_kobj;
      struct kobject *slave_dir;
      struct list_head slave_bdevs;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      unsigned int nr_zones;
      unsigned int max_open_zones;
      unsigned int max_active_zones;
      long unsigned int *conv_zones_bitmap;
      long unsigned int *seq_zones_wlock;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
      u64 diskseq;
      blk_mode_t open_mode;
      struct blk_independent_access_ranges *ia_ranges;
  };
  

• In 6.8: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      short unsigned int events;
      short unsigned int event_flags;
      struct xarray part_tbl;
      struct block_device *part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      struct bio_set bio_split;
      int flags;
      long unsigned int state;
      struct mutex open_mutex;
      unsigned int open_partitions;
      struct backing_dev_info *bdi;
      struct kobject queue_kobj;
      struct kobject *slave_dir;
      struct list_head slave_bdevs;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      unsigned int nr_zones;
      unsigned int max_open_zones;
      unsigned int max_active_zones;
      long unsigned int *conv_zones_bitmap;
      long unsigned int *seq_zones_wlock;
      struct cdrom_device_info *cdi;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
      u64 diskseq;
      blk_mode_t open_mode;
      struct blk_independent_access_ranges *ia_ranges;
  };
  

Arch

• In arm64: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In armhf: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In ppc64el: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In riscv64: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

Flavor

• In aws: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In azure: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In gcp: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

• In lowlatency: ✅

  struct gendisk {
      int major;
      int first_minor;
      int minors;
      char disk_name[32];
      char * (*devnode)(struct gendisk *, umode_t *);
      short unsigned int events;
      short unsigned int event_flags;
      struct disk_part_tbl *part_tbl;
      struct hd_struct part0;
      const struct block_device_operations *fops;
      struct request_queue *queue;
      void *private_data;
      int flags;
      struct rw_semaphore lookup_sem;
      struct kobject *slave_dir;
      struct timer_rand_state *random;
      atomic_t sync_io;
      struct disk_events *ev;
      struct kobject integrity_kobj;
      int node_id;
      struct badblocks *bb;
      struct lockdep_map lockdep_map;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. struct badblocks *bb
  • Field removed. struct device *driverfs_dev
• 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 lockdep_map lockdep_map
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct rw_semaphore lookup_sem
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. short unsigned int event_flags
  • Field removed. unsigned int async_events
  • Field type changed. unsigned int events ➡️ short unsigned int events
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. struct cdrom_device_info *cdi
  • Field removed. char * (*devnode)(struct gendisk *, umode_t *)
• Changed between 5.8 and 5.11 ⚠️

  • Field added. long unsigned int state
  • Field removed. struct rw_semaphore lookup_sem
  • Field type changed. struct hd_struct part0 ➡️ struct block_device *part0
• Changed between 5.11 and 5.13 ⚠️

  • Field type changed. struct disk_part_tbl *part_tbl ➡️ struct xarray part_tbl
• Changed between 5.13 and 5.15 ⚠️

  • Field added. struct mutex open_mutex
  • Field added. unsigned int open_partitions
  • Field added. struct backing_dev_info *bdi
  • Field added. struct list_head slave_bdevs
  • Field added. u64 diskseq
• No changes between 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Field added. struct bio_set bio_split
  • Field added. struct kobject queue_kobj
  • Field added. unsigned int nr_zones
  • Field added. unsigned int max_open_zones
  • Field added. unsigned int max_active_zones
  • Field added. long unsigned int *conv_zones_bitmap
  • Field added. long unsigned int *seq_zones_wlock
  • Field added. struct blk_independent_access_ranges *ia_ranges
• Changed between 6.2 and 6.5 ⚠️

  • Field added. blk_mode_t open_mode
  • Field removed. struct kobject integrity_kobj
• 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 ✅