1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   * include/linux/mpage.h
4   *
5   * Contains declarations related to preparing and submitting BIOS which contain
6   * multiple pagecache pages.
7   */
8  
9  /*
10   * (And no, it doesn't do the #ifdef __MPAGE_H thing, and it doesn't do
11   * nested includes.  Get it right in the .c file).
12   */
13  #ifdef CONFIG_BLOCK
14  
15  struct writeback_control;
16  struct readahead_control;
17  
18  void mpage_readahead(struct readahead_control *, get_block_t get_block);
19  int mpage_read_folio(struct folio *folio, get_block_t get_block);
20  int mpage_writepages(struct address_space *mapping,
21  		struct writeback_control *wbc, get_block_t get_block);
22  
23  #endif
24