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mm: move filemap_range_needs_writeback() into header

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No functional changes in this patch, just in preparation for efficiently
calling this light function from the block O_DIRECT handling.

Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2021-10-28 08:47:05 -06:00
parent a08ed9aae8
commit 4bdcd1dd4d
4 changed files with 33 additions and 31 deletions
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2
include/linux/fs.h
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@@ -2847,8 +2847,6 @@ static inline int filemap_fdatawait(struct address_space *mapping)
extern bool filemap_range_has_page(struct address_space *, loff_t lstart,
loff_t lend);
extern bool filemap_range_needs_writeback(struct address_space *,
loff_t lstart, loff_t lend);
extern int filemap_write_and_wait_range(struct address_space *mapping,
loff_t lstart, loff_t lend);
extern int __filemap_fdatawrite_range(struct address_space *mapping,