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Thu, 11 Apr 2024 08:41:11 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.41.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:41:09 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 344/437] s390: tape_char: convert to read/write iterators Date: Thu, 11 Apr 2024 09:18:04 -0600 Message-ID: <20240411153126.16201-345-axboe@kernel.dk> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240411153126.16201-1-axboe@kernel.dk> References: <20240411153126.16201-1-axboe@kernel.dk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Jens Axboe --- drivers/s390/char/tape_char.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c index cc8237afeffa..b6a8e99f0d31 100644 --- a/drivers/s390/char/tape_char.c +++ b/drivers/s390/char/tape_char.c @@ -32,8 +32,8 @@ /* * file operation structure for tape character frontend */ -static ssize_t tapechar_read(struct file *, char __user *, size_t, loff_t = *); -static ssize_t tapechar_write(struct file *, const char __user *, size_t, = loff_t *); +static ssize_t tapechar_read_iter(struct kiocb *iocb, struct iov_iter *to); +static ssize_t tapechar_write_iter(struct kiocb *iocb, struct iov_iter *fr= om); static int tapechar_open(struct inode *,struct file *); static int tapechar_release(struct inode *,struct file *); static long tapechar_ioctl(struct file *, unsigned int, unsigned long); @@ -44,8 +44,8 @@ static long tapechar_compat_ioctl(struct file *, unsigned= int, unsigned long); static const struct file_operations tape_fops =3D { .owner =3D THIS_MODULE, - .read =3D tapechar_read, - .write =3D tapechar_write, + .read_iter =3D tapechar_read_iter, + .write_iter =3D tapechar_write_iter, .unlocked_ioctl =3D tapechar_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl =3D tapechar_compat_ioctl, @@ -179,6 +179,7 @@ tapechar_read(struct file *filp, char __user *data, siz= e_t count, loff_t *ppos) tape_free_request(request); return rc; } +FOPS_READ_ITER_HELPER(tapechar_read); =20 /* * Tape device write function @@ -263,6 +264,7 @@ tapechar_write(struct file *filp, const char __user *da= ta, size_t count, loff_t =20 return rc ? rc : written; } +FOPS_WRITE_ITER_HELPER(tapechar_write); =20 /* * Character frontend tape device open function. --=20 2.43.0