| 1 | /* SPDX-License-Identifier: GPL-2.0 */ | 
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| 2 | /* | 
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| 3 | * include/linux/mpage.h | 
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| 4 | * | 
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| 5 | * Contains declarations related to preparing and submitting BIOS which contain | 
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| 6 | * multiple pagecache pages. | 
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| 7 | */ | 
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| 8 |  | 
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| 9 | /* | 
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| 10 | * (And no, it doesn't do the #ifdef __MPAGE_H thing, and it doesn't do | 
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| 11 | * nested includes.  Get it right in the .c file). | 
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| 12 | */ | 
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| 13 | #ifdef CONFIG_BLOCK | 
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| 14 |  | 
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| 15 | struct writeback_control; | 
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| 16 | struct readahead_control; | 
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| 17 |  | 
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| 18 | void mpage_readahead(struct readahead_control *, get_block_t get_block); | 
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| 19 | int mpage_read_folio(struct folio *folio, get_block_t get_block); | 
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| 20 | int mpage_writepages(struct address_space *mapping, | 
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| 21 | struct writeback_control *wbc, get_block_t get_block); | 
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| 22 |  | 
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| 23 | #endif | 
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| 24 |  | 
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