linux-kernel - [PATCH 425/437] media: v4l2-dev: convert to read/write iterators

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Message-ID: <20240411153126.16201-426-axboe@kernel.dk>
Date: Thu, 11 Apr 2024 09:19:25 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 425/437] media: v4l2-dev: convert to read/write iterators

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 drivers/media/v4l2-core/v4l2-dev.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index d13954bd31fd..0ebc049fe333 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -318,6 +318,7 @@ static ssize_t v4l2_read(struct file *filp, char __user *buf,
 			video_device_node_name(vdev), sz, ret);
 	return ret;
 }
+FOPS_READ_ITER_HELPER(v4l2_read);
 
 static ssize_t v4l2_write(struct file *filp, const char __user *buf,
 		size_t sz, loff_t *off)
@@ -335,6 +336,7 @@ static ssize_t v4l2_write(struct file *filp, const char __user *buf,
 			video_device_node_name(vdev), sz, ret);
 	return ret;
 }
+FOPS_WRITE_ITER_HELPER(v4l2_write);
 
 static __poll_t v4l2_poll(struct file *filp, struct poll_table_struct *poll)
 {
@@ -472,8 +474,8 @@ static int v4l2_release(struct inode *inode, struct file *filp)
 
 static const struct file_operations v4l2_fops = {
 	.owner = THIS_MODULE,
-	.read = v4l2_read,
-	.write = v4l2_write,
+	.read_iter = v4l2_read_iter,
+	.write_iter = v4l2_write_iter,
 	.open = v4l2_open,
 	.get_unmapped_area = v4l2_get_unmapped_area,
 	.mmap = v4l2_mmap,
-- 
2.43.0