mpage: convert __mpage_writepage() to use a folio more fully

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This is just a conversion to the folio API.  While there are some nods
towards supporting multi-page folios in here, the blocks array is still
sized for one page's worth of blocks, and there are other assumptions such
as the blocks_per_page variable.

[willy@infradead.org: fix accidentally-triggering WARN_ON_ONCE]
  Link: https://lkml.kernel.org/r/Y9kuaBgXf9lKJ8b0@casper.infradead.org
Link: https://lkml.kernel.org/r/20230126201255.1681189-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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This commit is contained in:

Matthew Wilcox (Oracle) 2023-01-26 20:12:55 +00:00 • committed by Andrew Morton

parent d585bdbeb7

commit 9160cffd45

1 changed files with 22 additions and 24 deletions

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