diff mbox series

[16/21] iomap: Convert iomap_write_end_inline to take a folio

Message ID 20211101203929.954622-17-willy@infradead.org (mailing list archive)
State New, archived
Headers show
Series iomap/xfs folio patches | expand

Commit Message

Matthew Wilcox (Oracle) Nov. 1, 2021, 8:39 p.m. UTC 
This conversion is only safe because iomap only supports writes to inline
data which starts at the beginning of the file.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/iomap/buffered-io.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Comments

Christoph Hellwig Nov. 2, 2021, 7:22 a.m. UTC | #1 
On Mon, Nov 01, 2021 at 08:39:24PM +0000, Matthew Wilcox (Oracle) wrote:
> This conversion is only safe because iomap only supports writes to inline
> data which starts at the beginning of the file.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Reviewed-by: Darrick J. Wong <djwong@kernel.org>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 6df8fdbb1951..6862487f4067 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -675,16 +675,16 @@  static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len,
 }
 
 static size_t iomap_write_end_inline(const struct iomap_iter *iter,
-		struct page *page, loff_t pos, size_t copied)
+		struct folio *folio, loff_t pos, size_t copied)
 {
 	const struct iomap *iomap = &iter->iomap;
 	void *addr;
 
-	WARN_ON_ONCE(!PageUptodate(page));
+	WARN_ON_ONCE(!folio_test_uptodate(folio));
 	BUG_ON(!iomap_inline_data_valid(iomap));
 
-	flush_dcache_page(page);
-	addr = kmap_local_page(page) + pos;
+	flush_dcache_folio(folio);
+	addr = kmap_local_folio(folio, pos);
 	memcpy(iomap_inline_data(iomap, pos), addr, copied);
 	kunmap_local(addr);
 
@@ -703,7 +703,7 @@  static size_t iomap_write_end(struct iomap_iter *iter, loff_t pos, size_t len,
 	size_t ret;
 
 	if (srcmap->type == IOMAP_INLINE) {
-		ret = iomap_write_end_inline(iter, page, pos, copied);
+		ret = iomap_write_end_inline(iter, folio, pos, copied);
 	} else if (srcmap->flags & IOMAP_F_BUFFER_HEAD) {
 		ret = block_write_end(NULL, iter->inode->i_mapping, pos, len,
 				copied, page, NULL);