linux-kernel - [PATCH 267/437] watchdog: indydog: convert to read/write iterators

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Message-ID: <20240411153126.16201-268-axboe@kernel.dk>
Date: Thu, 11 Apr 2024 09:16:47 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 267/437] watchdog: indydog: convert to read/write iterators

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 drivers/watchdog/indydog.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/watchdog/indydog.c b/drivers/watchdog/indydog.c
index 9857bb74a723..967a95a886a4 100644
--- a/drivers/watchdog/indydog.c
+++ b/drivers/watchdog/indydog.c
@@ -86,9 +86,9 @@ static int indydog_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static ssize_t indydog_write(struct file *file, const char *data,
-						size_t len, loff_t *ppos)
+static ssize_t indydog_write(struct kiocb *iocb, struct iov_iter *from)
 {
+	size_t len = iov_iter_count(from);
 	/* Refresh the timer. */
 	if (len)
 		indydog_ping();
@@ -150,7 +150,7 @@ static int indydog_notify_sys(struct notifier_block *this,
 static const struct file_operations indydog_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
-	.write		= indydog_write,
+	.write_iter	= indydog_write,
 	.unlocked_ioctl	= indydog_ioctl,
 	.compat_ioctl	= compat_ptr_ioctl,
 	.open		= indydog_open,
-- 
2.43.0