[PATCH v2 13/25] iov_iter: Provide copy_folio_from_iter()
From: David Howells <dhowells@redhat.com>
Date: 2024-08-14 20:40:50
Also in:
ceph-devel, linux-cifs, linux-fsdevel, linux-mm, linux-nfs, lkml, netfs, v9fs
Subsystem:
the rest, userspace copyin/copyout (uiovec) · Maintainers:
Linus Torvalds, Alexander Viro
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 --- include/linux/uio.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 845d110acadc..853f9de5aa05 100644
--- 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) {