website-struct

Struct: address_space_operations

Status

Regular

• In 4.4: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *, loff_t);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 4.8: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 4.10: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 4.13: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 4.15: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 4.18: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.0: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.3: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.4: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.8: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.11: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.13: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.15: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In 5.19: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*read_folio)(struct file *, struct folio *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      bool (*dirty_folio)(struct address_space *, struct folio *);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidate_folio)(struct folio *, size_t, size_t);
      bool (*release_folio)(struct folio *, gfp_t);
      void (*free_folio)(struct folio *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_folio)(struct folio *);
      bool (*is_partially_uptodate)(struct folio *, size_t, size_t);
      void (*is_dirty_writeback)(struct folio *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
      int (*swap_rw)(struct kiocb *, struct iov_iter *);
  };
  

• In 6.2: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*read_folio)(struct file *, struct folio *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      bool (*dirty_folio)(struct address_space *, struct folio *);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidate_folio)(struct folio *, size_t, size_t);
      bool (*release_folio)(struct folio *, gfp_t);
      void (*free_folio)(struct folio *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migrate_folio)(struct address_space *, struct folio *, struct folio *, enum migrate_mode);
      int (*launder_folio)(struct folio *);
      bool (*is_partially_uptodate)(struct folio *, size_t, size_t);
      void (*is_dirty_writeback)(struct folio *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
      int (*swap_rw)(struct kiocb *, struct iov_iter *);
  };
  

• In 6.5: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*read_folio)(struct file *, struct folio *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      bool (*dirty_folio)(struct address_space *, struct folio *);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidate_folio)(struct folio *, size_t, size_t);
      bool (*release_folio)(struct folio *, gfp_t);
      void (*free_folio)(struct folio *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migrate_folio)(struct address_space *, struct folio *, struct folio *, enum migrate_mode);
      int (*launder_folio)(struct folio *);
      bool (*is_partially_uptodate)(struct folio *, size_t, size_t);
      void (*is_dirty_writeback)(struct folio *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
      int (*swap_rw)(struct kiocb *, struct iov_iter *);
  };
  

• In 6.8: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*read_folio)(struct file *, struct folio *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      bool (*dirty_folio)(struct address_space *, struct folio *);
      void (*readahead)(struct readahead_control *);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidate_folio)(struct folio *, size_t, size_t);
      bool (*release_folio)(struct folio *, gfp_t);
      void (*free_folio)(struct folio *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migrate_folio)(struct address_space *, struct folio *, struct folio *, enum migrate_mode);
      int (*launder_folio)(struct folio *);
      bool (*is_partially_uptodate)(struct folio *, size_t, size_t);
      void (*is_dirty_writeback)(struct folio *, bool *, bool *);
      int (*error_remove_folio)(struct address_space *, struct folio *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
      int (*swap_rw)(struct kiocb *, struct iov_iter *);
  };
  

Arch

• In arm64: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In armhf: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In ppc64el: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In riscv64: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

Flavor

• In aws: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In azure: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In gcp: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

• In lowlatency: ✅

  struct address_space_operations {
      int (*writepage)(struct page *, struct writeback_control *);
      int (*readpage)(struct file *, struct page *);
      int (*writepages)(struct address_space *, struct writeback_control *);
      int (*set_page_dirty)(struct page *);
      int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int);
      int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **);
      int (*write_end)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page *, void *);
      sector_t (*bmap)(struct address_space *, sector_t);
      void (*invalidatepage)(struct page *, unsigned int, unsigned int);
      int (*releasepage)(struct page *, gfp_t);
      void (*freepage)(struct page *);
      ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *);
      int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode);
      bool (*isolate_page)(struct page *, isolate_mode_t);
      void (*putback_page)(struct page *);
      int (*launder_page)(struct page *);
      int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int);
      void (*is_dirty_writeback)(struct page *, bool *, bool *);
      int (*error_remove_page)(struct address_space *, struct page *);
      int (*swap_activate)(struct swap_info_struct *, struct file *, sector_t *);
      void (*swap_deactivate)(struct file *);
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. bool (*isolate_page)(struct page *, isolate_mode_t)
  • Field added. void (*putback_page)(struct page *)
  • Field type changed. ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *, loff_t) ➡️ ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *)
• 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 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. void (*readahead)(struct readahead_control *)
• 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. int (*read_folio)(struct file *, struct folio *)
  • Field added. bool (*dirty_folio)(struct address_space *, struct folio *)
  • Field added. void (*invalidate_folio)(struct folio *, size_t, size_t)
  • Field added. bool (*release_folio)(struct folio *, gfp_t)
  • Field added. void (*free_folio)(struct folio *)
  • Field added. int (*launder_folio)(struct folio *)
  • Field added. int (*swap_rw)(struct kiocb *, struct iov_iter *)
  • Field removed. int (*readpage)(struct file *, struct page *)
  • Field removed. int (*set_page_dirty)(struct page *)
  • Field removed. int (*readpages)(struct file *, struct address_space *, struct list_head *, unsigned int)
  • Field removed. void (*invalidatepage)(struct page *, unsigned int, unsigned int)
  • Field removed. int (*releasepage)(struct page *, gfp_t)
  • Field removed. void (*freepage)(struct page *)
  • Field removed. int (*launder_page)(struct page *)
  • Field type changed. int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, unsigned int, struct page **, void **) ➡️ int (*write_begin)(struct file *, struct address_space *, loff_t, unsigned int, struct page **, void **)
  • Field type changed. int (*is_partially_uptodate)(struct page *, long unsigned int, long unsigned int) ➡️ bool (*is_partially_uptodate)(struct folio *, size_t, size_t)
  • Field type changed. void (*is_dirty_writeback)(struct page *, bool *, bool *) ➡️ void (*is_dirty_writeback)(struct folio *, bool *, bool *)
• Changed between 5.19 and 6.2 ⚠️

  • Field added. int (*migrate_folio)(struct address_space *, struct folio *, struct folio *, enum migrate_mode)
  • Field removed. int (*migratepage)(struct address_space *, struct page *, struct page *, enum migrate_mode)
  • Field removed. bool (*isolate_page)(struct page *, isolate_mode_t)
  • Field removed. void (*putback_page)(struct page *)
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Field added. int (*error_remove_folio)(struct address_space *, struct folio *)
  • Field removed. int (*error_remove_page)(struct address_space *, struct page *)

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 ✅