website-struct

Struct: bdi_writeback

Status

Regular

• In 4.4: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 4.8: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 4.10: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 4.13: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 4.15: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 4.18: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.0: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.3: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.4: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.8: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.11: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      long unsigned int congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.13: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      long unsigned int congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.15: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      atomic_t writeback_inodes;
      struct percpu_counter stat[4];
      long unsigned int congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      struct delayed_work bw_dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct list_head b_attached;
      struct list_head offline_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 5.19: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      atomic_t writeback_inodes;
      struct percpu_counter stat[4];
      long unsigned int congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      struct delayed_work bw_dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct list_head b_attached;
      struct list_head offline_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 6.2: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      atomic_t writeback_inodes;
      struct percpu_counter stat[4];
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      struct delayed_work bw_dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct list_head b_attached;
      struct list_head offline_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 6.5: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      atomic_t writeback_inodes;
      struct percpu_counter stat[4];
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      struct delayed_work bw_dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct list_head b_attached;
      struct list_head offline_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In 6.8: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      atomic_t writeback_inodes;
      struct percpu_counter stat[4];
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      struct delayed_work bw_dwork;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct list_head b_attached;
      struct list_head offline_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

Arch

• In arm64: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In armhf: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In ppc64el: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In riscv64: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

Flavor

• In aws: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In azure: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In gcp: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

• In lowlatency: ✅

  struct bdi_writeback {
      struct backing_dev_info *bdi;
      long unsigned int state;
      long unsigned int last_old_flush;
      struct list_head b_dirty;
      struct list_head b_io;
      struct list_head b_more_io;
      struct list_head b_dirty_time;
      spinlock_t list_lock;
      struct percpu_counter stat[4];
      struct bdi_writeback_congested *congested;
      long unsigned int bw_time_stamp;
      long unsigned int dirtied_stamp;
      long unsigned int written_stamp;
      long unsigned int write_bandwidth;
      long unsigned int avg_write_bandwidth;
      long unsigned int dirty_ratelimit;
      long unsigned int balanced_dirty_ratelimit;
      struct fprop_local_percpu completions;
      int dirty_exceeded;
      enum wb_reason start_all_reason;
      spinlock_t work_lock;
      struct list_head work_list;
      struct delayed_work dwork;
      long unsigned int dirty_sleep;
      struct list_head bdi_node;
      struct percpu_ref refcnt;
      struct fprop_local_percpu memcg_completions;
      struct cgroup_subsys_state *memcg_css;
      struct cgroup_subsys_state *blkcg_css;
      struct list_head memcg_node;
      struct list_head blkcg_node;
      struct work_struct release_work;
      struct callback_head rcu;
  };
  

Differences

Regular

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

  • Field added. long unsigned int dirty_sleep
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field added. enum wb_reason start_all_reason
• No changes between 4.15 and 4.18 ✅
• 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 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field type changed. struct bdi_writeback_congested *congested ➡️ long unsigned int congested
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. atomic_t writeback_inodes
  • Field added. struct delayed_work bw_dwork
  • Field added. struct list_head b_attached
  • Field added. struct list_head offline_node
• No changes between 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Field removed. long unsigned int congested
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Field removed. long unsigned int dirty_sleep

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 ✅