readahead: Convert page_cache_async_ra() to take a folio
Using the folio here avoids checking whether it's a tail page. This patch mostly just enables some of the following patches. Signed-off-by:Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by:
Christoph Hellwig <hch@lst.de> Reviewed-by:
William Kucharski <william.kucharski@oracle.com>
parent
2fa4eeb8
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