filemap: Convert filemap_get_read_batch to use folios
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Fri, 5 Mar 2021 15:29:41 +0000 (10:29 -0500)
committerMatthew Wilcox (Oracle) <willy@infradead.org>
Tue, 4 Jan 2022 18:15:33 +0000 (13:15 -0500)
commitbdb72932976943d4db371e18a5321489351c43da
tree5cfef52e9be0e21974b2e572ee43ee8ecf7a47a9
parentbb2e98b613a3c76c904dfa82eb4b86773817598b
filemap: Convert filemap_get_read_batch to use folios

The page cache only stores folios, never tail pages.  Saves 29 bytes
due to removing calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
mm/filemap.c