[PATCH] fs: use call_read_iter(file, &kiocb, &iter); for __kernel_{read|write}

[Li Chen <me@linux.beauty>]

From: Li Chen <lchen@xxxxxxxxxxxxx>

Just use these helper functions to replace f_op->{read,write}_iter()

Signed-off-by: Li Chen <lchen@xxxxxxxxxxxxx>
---
 fs/read_write.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/read_write.c b/fs/read_write.c
index b1b1cdfee9d3..9518aeca0273 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -437,7 +437,7 @@ ssize_t __kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)
 	init_sync_kiocb(&kiocb, file);
 	kiocb.ki_pos = pos ? *pos : 0;
 	iov_iter_kvec(&iter, READ, &iov, 1, iov.iov_len);
-	ret = file->f_op->read_iter(&kiocb, &iter);
+	ret = call_read_iter(file, &kiocb, &iter);
 	if (ret > 0) {
 		if (pos)
 			*pos = kiocb.ki_pos;
@@ -533,7 +533,7 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t
 	init_sync_kiocb(&kiocb, file);
 	kiocb.ki_pos = pos ? *pos : 0;
 	iov_iter_kvec(&iter, WRITE, &iov, 1, iov.iov_len);
-	ret = file->f_op->write_iter(&kiocb, &iter);
+	ret = call_write_iter(file, &kiocb, &iter);
 	if (ret > 0) {
 		if (pos)
 			*pos = kiocb.ki_pos;
-- 
2.36.1