[PATCH v13 095/137] iomap: Convert iomap_invalidatepage to use a folio

Matthew Wilcox (Oracle)
2021-07-12T03:58:20Z

This is an address_space operation, so its argument must remain as a
struct page, but we can use a folio internally.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
fs/iomap/buffered-io.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 33a0bfb6f3db..1ed63e8cc727 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -478,15 +478,15 @@ iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)
{
struct folio *folio = page_folio(page);

- trace_iomap_invalidatepage(page->mapping->host, offset, len);
+ trace_iomap_invalidatepage(folio->mapping->host, offset, len);

/*
* If we are invalidating the entire page, clear the dirty state from it
* and release it to avoid unnecessary buildup of the LRU.
*/
- if (offset == 0 && len == PAGE_SIZE) {
- WARN_ON_ONCE(PageWriteback(page));
- cancel_dirty_page(page);
+ if (offset == 0 && len == folio_size(folio)) {
+ WARN_ON_ONCE(folio_writeback(folio));
+ folio_cancel_dirty(folio);
iomap_page_release(folio);
}
}
--
2.30.2