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truncate: Convert invalidate_inode_pages2_range to folios 

If we're going to unmap a folio, we have to be sure to unmap the entire
folio, not just the part of it which lies after the search index.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
This commit is contained in:
Matthew Wilcox (Oracle) 2021-05-20 08:17:44 -04:00
parent 338f379cf7
commit f6357c3a9d
1 changed files with 5 additions and 5 deletions
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10
mm/truncate.c
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@ -599,13 +599,13 @@ failed:
return 0;
}
static int do_launder_page(struct address_space *mapping, struct page *page)
static int do_launder_folio(struct address_space *mapping, struct folio *folio)
{
if (!PageDirty(page))
if (!folio_test_dirty(folio))
return 0;
if (page->mapping != mapping || mapping->a_ops->launder_page == NULL)
if (folio->mapping != mapping || mapping->a_ops->launder_page == NULL)
return 0;
return mapping->a_ops->launder_page(page);
return mapping->a_ops->launder_page(&folio->page);
}
/**
@ -671,7 +671,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
unmap_mapping_folio(folio);
BUG_ON(folio_mapped(folio));
ret2 = do_launder_page(mapping, &folio->page);
ret2 = do_launder_folio(mapping, folio);
if (ret2 == 0) {
if (!invalidate_complete_folio2(mapping, folio))
ret2 = -EBUSY;