netdev - [PATCH v2 13/25] iov_iter: Provide copy_folio_from

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Message-ID: <20240814203850.2240469-14-dhowells@redhat.com>
Date: Wed, 14 Aug 2024 21:38:33 +0100
From: David Howells <dhowells@...hat.com>
To: Christian Brauner <christian@...uner.io>,
	Steve French <smfrench@...il.com>,
	Matthew Wilcox <willy@...radead.org>
Cc: David Howells <dhowells@...hat.com>,
	Jeff Layton <jlayton@...nel.org>,
	Gao Xiang <hsiangkao@...ux.alibaba.com>,
	Dominique Martinet <asmadeus@...ewreck.org>,
	Marc Dionne <marc.dionne@...istor.com>,
	Paulo Alcantara <pc@...guebit.com>,
	Shyam Prasad N <sprasad@...rosoft.com>,
	Tom Talpey <tom@...pey.com>,
	Eric Van Hensbergen <ericvh@...nel.org>,
	Ilya Dryomov <idryomov@...il.com>,
	netfs@...ts.linux.dev,
	linux-afs@...ts.infradead.org,
	linux-cifs@...r.kernel.org,
	linux-nfs@...r.kernel.org,
	ceph-devel@...r.kernel.org,
	v9fs@...ts.linux.dev,
	linux-erofs@...ts.ozlabs.org,
	linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>
Subject: [PATCH v2 13/25] iov_iter: Provide copy_folio_from_iter()

Provide a copy_folio_from_iter() wrapper.

Signed-off-by: David Howells <dhowells@...hat.com>
cc: Alexander Viro <viro@...iv.linux.org.uk>
cc: Christian Brauner <christian@...uner.io>
cc: Matthew Wilcox <willy@...radead.org>
cc: netfs@...ts.linux.dev
cc: linux-fsdevel@...r.kernel.org
cc: linux-mm@...ck.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)
 {