d4388340ae
Implement the new readahead aop and convert all callers (block_dev, exfat, ext2, fat, gfs2, hpfs, isofs, jfs, nilfs2, ocfs2, omfs, qnx6, reiserfs & udf). The callers are all trivial except for GFS2 & OCFS2. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com> # ocfs2 Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> # ocfs2 Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: William Kucharski <william.kucharski@oracle.com> Cc: Chao Yu <yuchao0@huawei.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: Eric Biggers <ebiggers@google.com> Cc: Gao Xiang <gaoxiang25@huawei.com> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com> Cc: Miklos Szeredi <mszeredi@redhat.com> Link: http://lkml.kernel.org/r/20200414150233.24495-17-willy@infradead.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
26 lines
737 B
C
26 lines
737 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* include/linux/mpage.h
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*
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* Contains declarations related to preparing and submitting BIOS which contain
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* multiple pagecache pages.
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*/
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/*
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* (And no, it doesn't do the #ifdef __MPAGE_H thing, and it doesn't do
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* nested includes. Get it right in the .c file).
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*/
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#ifdef CONFIG_BLOCK
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struct writeback_control;
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struct readahead_control;
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void mpage_readahead(struct readahead_control *, get_block_t get_block);
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int mpage_readpage(struct page *page, get_block_t get_block);
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int mpage_writepages(struct address_space *mapping,
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struct writeback_control *wbc, get_block_t get_block);
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int mpage_writepage(struct page *page, get_block_t *get_block,
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struct writeback_control *wbc);
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#endif
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