[PATCH] netfs: rename read_helper.c to io.c in netfs_library.rst

[Wan Jiabing]

Fix following 'make htmldocs' error:
Error: Cannot open file ./fs/netfs/read_helper.c
WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno
-sphinx-version 2.4.4 ./fs/netfs/read_helper.c' failed with return code 1

Fixes: ad9e5adb388f ("netfs: Rename rename read_helper.c to io.c")
Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>
---
 Documentation/filesystems/netfs_library.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/filesystems/netfs_library.rst b/Documentation/filesystems/netfs_library.rst
index 5e1b25349c41..d3123348d2a2 100644
--- a/Documentation/filesystems/netfs_library.rst
+++ b/Documentation/filesystems/netfs_library.rst
@@ -562,4 +562,4 @@ API Function Reference
 ======================
 
 .. kernel-doc:: include/linux/netfs.h
-.. kernel-doc:: fs/netfs/read_helper.c
+.. kernel-doc:: fs/netfs/io.c
-- 
2.35.1