linux-stable/include/linux/mpage.h
Matthew Wilcox (Oracle) f132ab7d3a fs: Convert mpage_readpage to mpage_read_folio
mpage_readpage still works in terms of pages, and has not been audited
for correctness with large folios, so include an assertion that the
filesystem is not passing it large folios.  Convert all the filesystems
to call mpage_read_folio() instead of mpage_readpage().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-05-09 16:21:44 -04:00

25 lines
741 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* include/linux/mpage.h
*
* Contains declarations related to preparing and submitting BIOS which contain
* multiple pagecache pages.
*/
/*
* (And no, it doesn't do the #ifdef __MPAGE_H thing, and it doesn't do
* nested includes. Get it right in the .c file).
*/
#ifdef CONFIG_BLOCK
struct writeback_control;
struct readahead_control;
void mpage_readahead(struct readahead_control *, get_block_t get_block);
int mpage_read_folio(struct folio *folio, get_block_t get_block);
int mpage_writepages(struct address_space *mapping,
struct writeback_control *wbc, get_block_t get_block);
int mpage_writepage(struct page *page, get_block_t *get_block,
struct writeback_control *wbc);
#endif