xref: /linux/include/linux/mpage.h (revision dbf00d8d23b43a7a1d717e704c50651731d01d71)
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 		int (*write_folio)(struct folio *folio,
23 				   struct writeback_control *wbc));
mpage_writepages(struct address_space * mapping,struct writeback_control * wbc,get_block_t get_block)24 static inline int mpage_writepages(struct address_space *mapping,
25 		struct writeback_control *wbc, get_block_t get_block)
26 {
27 	return __mpage_writepages(mapping, wbc, get_block, NULL);
28 }
29 
30 #endif
31