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truncate: Add truncate_cleanup_folio() 

Convert both callers of truncate_cleanup_page() to use
truncate_cleanup_folio() instead.

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) 2021-11-26 13:58:10 -05:00
parent 82c50f8b44
commit efe99bba28
1 changed files with 11 additions and 10 deletions
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21
mm/truncate.c
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@ -177,21 +177,21 @@ void do_invalidatepage(struct page *page, unsigned int offset,
* its lock, b) when a concurrent invalidate_mapping_pages got there first and
* c) when tmpfs swizzles a page between a tmpfs inode and swapper_space.
*/
static void truncate_cleanup_page(struct page *page)
static void truncate_cleanup_folio(struct folio *folio)
{
if (page_mapped(page))
unmap_mapping_page(page);
if (folio_mapped(folio))
unmap_mapping_page(&folio->page);
if (page_has_private(page))
do_invalidatepage(page, 0, thp_size(page));
if (folio_has_private(folio))
do_invalidatepage(&folio->page, 0, folio_size(folio));
/*
* Some filesystems seem to re-dirty the page even after
* the VM has canceled the dirty bit (eg ext3 journaling).
* Hence dirty accounting check is placed after invalidation.
*/
cancel_dirty_page(page);
ClearPageMappedToDisk(page);
folio_cancel_dirty(folio);
folio_clear_mappedtodisk(folio);
}
/*
@ -220,13 +220,14 @@ invalidate_complete_page(struct address_space *mapping, struct page *page)
int truncate_inode_page(struct address_space *mapping, struct page *page)
{
struct folio *folio = page_folio(page);
VM_BUG_ON_PAGE(PageTail(page), page);
if (page->mapping != mapping)
return -EIO;
truncate_cleanup_page(page);
delete_from_page_cache(page);
truncate_cleanup_folio(folio);
filemap_remove_folio(folio);
return 0;
}
@ -332,7 +333,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
index = indices[pagevec_count(&pvec) - 1] + 1;
truncate_exceptional_pvec_entries(mapping, &pvec, indices);
for (i = 0; i < pagevec_count(&pvec); i++)
truncate_cleanup_page(pvec.pages[i]);
truncate_cleanup_folio(page_folio(pvec.pages[i]));
delete_from_page_cache_batch(mapping, &pvec);
for (i = 0; i < pagevec_count(&pvec); i++)
unlock_page(pvec.pages[i]);