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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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d17d7fa44d
This had a fatal lock ranking bug: we do journal_start outside mpage_writepages()'s lock_page(). Revert the whole thing, think again. Credit-to: Jan Kara <jack@suse.cz> For identifying the bug. Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
29 lines
921 B
C
29 lines
921 B
C
/*
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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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struct writeback_control;
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typedef int (writepage_t)(struct page *page, struct writeback_control *wbc);
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int mpage_readpages(struct address_space *mapping, struct list_head *pages,
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unsigned nr_pages, 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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static inline int
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generic_writepages(struct address_space *mapping, struct writeback_control *wbc)
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{
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return mpage_writepages(mapping, wbc, NULL);
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}
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