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
  13 struct writeback_control;
  14 typedef int (writepage_t)(struct page *page, struct writeback_control *wbc);
  15
  16 int mpage_readpages(struct address_space *mapping, struct list_head *pages,
  17                                 unsigned nr_pages, get_block_t get_block);
  18 int mpage_readpage(struct page *page, get_block_t get_block);
  19 int mpage_writepages(struct address_space *mapping,
  20                 struct writeback_control *wbc, get_block_t get_block);
  21 int mpage_writepage(struct page *page, get_block_t *get_block,
  22                 struct writeback_control *wbc);
  23 int __mpage_writepages(struct address_space *mapping,
  24                 struct writeback_control *wbc, get_block_t get_block,
  25                 writepage_t writepage);
  26
  27 static inline int
  28 generic_writepages(struct address_space *mapping, struct writeback_control *wbc)
  29 {
  30         return mpage_writepages(mapping, wbc, NULL);
  31 }