| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
| David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 12 | #ifdef CONFIG_BLOCK |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | |
| Alex Tomas | 29a814d | 2008-07-11 19:27:31 -0400 | [diff] [blame] | 14 | struct mpage_data { |
| 15 | struct bio *bio; |
| 16 | sector_t last_block_in_bio; |
| 17 | get_block_t *get_block; |
| 18 | unsigned use_writepage; |
| 19 | }; |
| 20 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | struct writeback_control; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
| Alex Tomas | 29a814d | 2008-07-11 19:27:31 -0400 | [diff] [blame] | 23 | struct bio *mpage_bio_submit(int rw, struct bio *bio); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | int mpage_readpages(struct address_space *mapping, struct list_head *pages, |
| 25 | unsigned nr_pages, get_block_t get_block); |
| 26 | int mpage_readpage(struct page *page, get_block_t get_block); |
| Alex Tomas | 29a814d | 2008-07-11 19:27:31 -0400 | [diff] [blame] | 27 | int __mpage_writepage(struct page *page, struct writeback_control *wbc, |
| 28 | void *data); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | int mpage_writepages(struct address_space *mapping, |
| 30 | struct writeback_control *wbc, get_block_t get_block); |
| 31 | int mpage_writepage(struct page *page, get_block_t *get_block, |
| 32 | struct writeback_control *wbc); |
| David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 33 | |
| 34 | #endif |