iomap: Use folio offsets instead of page offsets

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Pass a folio around instead of the page, and make sure the offset
is relative to the start of the folio instead of the start of a page.
Also use size_t for offset & length to make it clear that these are byte
counts, and to support >2GB folios in the future.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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Matthew Wilcox (Oracle) 2021-04-28 08:20:48 -04:00

parent 8ffd74e9a8

commit 431c0566bb

1 changed files with 40 additions and 38 deletions

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fs/iomap/buffered-io.c

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