ext2: Convert ext2_check_page to ext2_check_folio
Support in this function for large folios is limited to supporting filesystems with block size > PAGE_SIZE. This new functionality will only be supported on machines without HIGHMEM, so the problem of kmap_local only being able to map a single page in the folio can be ignored. We will not use large folios for ext2 directories on HIGHMEM machines. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Jan Kara <jack@suse.cz> Message-Id: <20230921200746.3303942-2-willy@infradead.org>
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