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Date: Thu, 11 Apr 2024 09:12:45 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 025/437] char/mwave: convert to read/write iterators
Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
drivers/char/mwave/mwavedd.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index 11272d605ecd..34b00a663d22 100644
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -411,25 +411,14 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd,
}
-static ssize_t mwave_read(struct file *file, char __user *buf, size_t count,
- loff_t * ppos)
+static ssize_t mwave_read(struct kiocb *iocb, struct iov_iter *to)
{
- PRINTK_5(TRACE_MWAVE,
- "mwavedd::mwave_read entry file %p, buf %p, count %zx ppos %p\n",
- file, buf, count, ppos);
-
return -EINVAL;
}
-static ssize_t mwave_write(struct file *file, const char __user *buf,
- size_t count, loff_t * ppos)
+static ssize_t mwave_write(struct kiocb *iocb, struct iov_iter *from)
{
- PRINTK_5(TRACE_MWAVE,
- "mwavedd::mwave_write entry file %p, buf %p,"
- " count %zx ppos %p\n",
- file, buf, count, ppos);
-
return -EINVAL;
}
@@ -481,8 +470,8 @@ static int register_serial_portandirq(unsigned int port, int irq)
static const struct file_operations mwave_fops = {
.owner = THIS_MODULE,
- .read = mwave_read,
- .write = mwave_write,
+ .read_iter = mwave_read,
+ .write_iter = mwave_write,
.unlocked_ioctl = mwave_ioctl,
.open = mwave_open,
.release = mwave_close,
--
2.43.0
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