[PATCH 348/437] s390: crypto: convert to read/write iterators

Jens Axboe
2024-04-11T15:41:19Z

drivers/s390/crypto/zcrypt_api.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index eba07f8ef308..bc2b385ea550 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -475,8 +475,7 @@ static void zcdn_destroy_all(void)
*
* This function is not supported beyond zcrypt 1.3.1.
*/
-static ssize_t zcrypt_read(struct file *filp, char __user *buf,
- size_t count, loff_t *f_pos)
+static ssize_t zcrypt_read(struct kiocb *iocb, struct iov_iter *to)
{
return -EPERM;
}
@@ -486,8 +485,7 @@ static ssize_t zcrypt_read(struct file *filp, char __user *buf,
*
* Write is not allowed
*/
-static ssize_t zcrypt_write(struct file *filp, const char __user *buf,
- size_t count, loff_t *f_pos)
+static ssize_t zcrypt_write(struct kiocb *iocb, struct iov_iter *from)
{
return -EPERM;
}
@@ -1905,8 +1903,8 @@ static long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
*/
static const struct file_operations zcrypt_fops = {
.owner = THIS_MODULE,
- .read = zcrypt_read,
- .write = zcrypt_write,
+ .read_iter = zcrypt_read,
+ .write_iter = zcrypt_write,
.unlocked_ioctl = zcrypt_unlocked_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = zcrypt_compat_ioctl,
--
2.43.0