iov_iter: Provide copy_folio_from_iter()

dhowells · brauner · commit 197a3de607d9 · 2024-09-12T12:20:39.000+02:00
Provide a copy_folio_from_iter() wrapper. Signed-off-by: David Howells <dhowells@redhat.com> cc: Alexander Viro <viro@zeniv.linux.org.uk> cc: Christian Brauner <christian@brauner.io> cc: Matthew Wilcox <willy@infradead.org> cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org cc: linux-mm@kvack.org Link: https://lore.kernel.org/r/20240814203850.2240469-14-dhowells@redhat.com/ # v2 Signed-off-by: Christian Brauner <brauner@kernel.org>
diff --git a/include/linux/uio.h b/include/linux/uio.h
@@ -189,6 +189,12 @@ static inline size_t copy_folio_to_iter(struct folio *folio, size_t offset,
 	return copy_page_to_iter(&folio->page, offset, bytes, i);
 }
 
+static inline size_t copy_folio_from_iter(struct folio *folio, size_t offset,
+					  size_t bytes, struct iov_iter *i)
+{
+	return copy_page_from_iter(&folio->page, offset, bytes, i);
+}
+
 static inline size_t copy_folio_from_iter_atomic(struct folio *folio,
 		size_t offset, size_t bytes, struct iov_iter *i)
 {

Original file line number	Diff line number	Diff line change
`@@ -189,6 +189,12 @@ static inline size_t copy_folio_to_iter(struct folio *folio, size_t offset,`
`189`	`189`	`return copy_page_to_iter(&folio->page, offset, bytes, i);`
`190`	`190`	`}`
`191`	`191`
	`192`	`+static inline size_t copy_folio_from_iter(struct folio *folio, size_t offset,`
	`193`	`+ size_t bytes, struct iov_iter *i)`
	`194`	`+{`
	`195`	`+ return copy_page_from_iter(&folio->page, offset, bytes, i);`
	`196`	`+}`
	`197`	`+`
`192`	`198`	`static inline size_t copy_folio_from_iter_atomic(struct folio *folio,`
`193`	`199`	`size_t offset, size_t bytes, struct iov_iter *i)`
`194`	`200`	`{`