filemap: convert __readahead_batch() to use a folio

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Extract folios from i_mapping, not pages.  Removes a hidden call to
compound_head(), a use of thp_nr_pages() and an unnecessary assertion that
we didn't find a tail page in the page cache.

Link: https://lkml.kernel.org/r/20250402210612.2444135-7-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Matthew Wilcox (Oracle) 2025-04-02 22:06:08 +01:00 • committed by Andrew Morton

parent 9c532d7908

commit 8dfc8cbf7b

1 changed files with 6 additions and 7 deletions

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include/linux/pagemap.h

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