include/linux/mpage.h

/*
 * 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).
 */

struct writeback_control;
typedef int (writepage_t)(struct page *page, struct writeback_control *wbc);

int mpage_readpages(struct address_space *mapping, struct list_head *pages,
				unsigned nr_pages, get_block_t get_block);
int mpage_readpage(struct page *page, 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);

static inline int
generic_writepages(struct address_space *mapping, struct writeback_control *wbc)
{
	return mpage_writepages(mapping, wbc, NULL);
}