|  | /* 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_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); | 
|  |  | 
|  | #endif |