LXR linux/include/linux/mpage.h

   1/*
   2 * include/linux/mpage.h
   3 *
   4 * Contains declarations related to preparing and submitting BIOS which contain
   5 * multiple pagecache pages.
   6 */
   7
   8/*
   9 * (And no, it doesn't do the #ifdef __MPAGE_H thing, and it doesn't do
  10 * nested includes.  Get it right in the .c file).
  11 */
  12#ifdef CONFIG_BLOCK
  13
  14struct mpage_data {
  15        struct bio *bio;
  16        sector_t last_block_in_bio;
  17        get_block_t *get_block;
  18        unsigned use_writepage;
  19};
  20
  21struct writeback_control;
  22
  23struct bio *mpage_bio_submit(int rw, struct bio *bio);
  24int mpage_readpages(struct address_space *mapping, struct list_head *pages,
  25                                unsigned nr_pages, get_block_t get_block);
  26int mpage_readpage(struct page *page, get_block_t get_block);
  27int __mpage_writepage(struct page *page, struct writeback_control *wbc,
  28                      void *data);
  29int mpage_writepages(struct address_space *mapping,
  30                struct writeback_control *wbc, get_block_t get_block);
  31int mpage_writepage(struct page *page, get_block_t *get_block,
  32                struct writeback_control *wbc);
  33
  34#endif
  35