website-struct

Struct: writeback_control

Status

Regular

• In 4.4: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 4.8: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 4.10: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 4.13: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 4.15: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 4.18: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.0: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.3: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.4: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.8: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.11: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.13: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.15: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 5.19: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int unpinned_fscache_wb;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct swap_iocb **swap_plug;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 6.2: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int unpinned_fscache_wb;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct swap_iocb **swap_plug;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 6.5: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int unpinned_fscache_wb;
      unsigned int no_cgroup_owner;
      struct swap_iocb **swap_plug;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In 6.8: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int unpinned_netfs_wb;
      unsigned int no_cgroup_owner;
      struct swap_iocb **swap_plug;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

Arch

• In arm64: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In armhf: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In ppc64el: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In riscv64: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

Flavor

• In aws: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In azure: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In gcp: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

• In lowlatency: ✅

  struct writeback_control {
      long int nr_to_write;
      long int pages_skipped;
      loff_t range_start;
      loff_t range_end;
      enum writeback_sync_modes sync_mode;
      unsigned int for_kupdate;
      unsigned int for_background;
      unsigned int tagged_writepages;
      unsigned int for_reclaim;
      unsigned int range_cyclic;
      unsigned int for_sync;
      unsigned int no_cgroup_owner;
      unsigned int punt_to_cgroup;
      struct bdi_writeback *wb;
      struct inode *inode;
      int wb_id;
      int wb_lcand_id;
      int wb_tcand_id;
      size_t wb_bytes;
      size_t wb_lcand_bytes;
      size_t wb_tcand_bytes;
  };
  

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 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. unsigned int no_cgroup_owner
  • Field added. unsigned int punt_to_cgroup
• 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 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field added. unsigned int unpinned_fscache_wb
  • Field added. struct swap_iocb **swap_plug
• No changes between 5.19 and 6.2 ✅
• Changed between 6.2 and 6.5 ⚠️

  • Field removed. unsigned int punt_to_cgroup
• Changed between 6.5 and 6.8 ⚠️

  • Field added. unsigned int unpinned_netfs_wb
  • Field removed. unsigned int unpinned_fscache_wb

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 ✅