linux-kernel - [PATCH] vfs: use helpers for calling f_op->{read,write}_iter() in read

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Message-Id: <20230828155056.4100924-1-shikemeng@huaweicloud.com>
Date:   Mon, 28 Aug 2023 23:50:56 +0800
From:   Kemeng Shi <shikemeng@...weicloud.com>
To:     viro@...iv.linux.org.uk, brauner@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] vfs: use helpers for calling f_op->{read,write}_iter() in read_write.c

use helpers for calling f_op->{read,write}_iter() in read_write.c

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
 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 a21ba3be7dbe..2f816f1212f4 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -425,7 +425,7 @@ 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, ITER_DEST, &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;
@@ -514,7 +514,7 @@ ssize_t __kernel_write_iter(struct file *file, struct iov_iter *from, loff_t *po
 
 	init_sync_kiocb(&kiocb, file);
 	kiocb.ki_pos = pos ? *pos : 0;
-	ret = file->f_op->write_iter(&kiocb, from);
+	ret = call_write_iter(file, &kiocb, from);
 	if (ret > 0) {
 		if (pos)
 			*pos = kiocb.ki_pos;
-- 
2.30.0