iomap: Convert readahead and readpage to use a folio

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Handle folios of arbitrary size instead of working in PAGE_SIZE units.
readahead_folio() decreases the page refcount for you, so this is not
quite a mechanical change.

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 09:39:51 -04:00

parent 874628a2c5

commit 3aa9c659bf

1 changed files with 26 additions and 27 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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53

fs/iomap/buffered-io.c

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