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Thu, 11 Apr 2024 08:40:57 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.40.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:40:55 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 336/437] arch/parisc: convert to read/write iterators Date: Thu, 11 Apr 2024 09:17:56 -0600 Message-ID: <20240411153126.16201-337-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 --- arch/parisc/kernel/perf.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index b0f0816879df..a564c56ebb6f 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -181,7 +181,7 @@ static const uint64_t *bitmask_array; /* array of bit= masks to use */ static int perf_config(uint32_t *image_ptr); static int perf_release(struct inode *inode, struct file *file); static int perf_open(struct inode *inode, struct file *file); -static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, = loff_t *ppos); +static ssize_t perf_read(struct kiocb *iocb, struct iov_iter *to); static ssize_t perf_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos); static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long = arg); @@ -273,7 +273,7 @@ static int perf_release(struct inode *inode, struct fil= e *file) /* * Read does nothing for this driver */ -static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, = loff_t *ppos) +static ssize_t perf_read(struct kiocb *iocb, struct iov_iter *to) { return 0; } @@ -285,9 +285,9 @@ static ssize_t perf_read(struct file *file, char __user= *buf, size_t cnt, loff_t * called on the processor that the download should happen * on. */ -static ssize_t perf_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) +static ssize_t perf_write(struct kiocb *iocb, struct iov_iter *from) { + size_t count =3D iov_iter_count(from); size_t image_size __maybe_unused; uint32_t image_type; uint32_t interface_type; @@ -306,7 +306,7 @@ static ssize_t perf_write(struct file *file, const char= __user *buf, if (count !=3D sizeof(uint32_t)) return -EIO; =20 - if (copy_from_user(&image_type, buf, sizeof(uint32_t))) + if (!copy_from_iter_full(&image_type, sizeof(uint32_t), from)) return -EFAULT; =20 /* Get the interface type and test type */ @@ -467,8 +467,8 @@ static long perf_ioctl(struct file *file, unsigned int = cmd, unsigned long arg) =20 static const struct file_operations perf_fops =3D { .llseek =3D no_llseek, - .read =3D perf_read, - .write =3D perf_write, + .read_iter =3D perf_read, + .write_iter =3D perf_write, .unlocked_ioctl =3D perf_ioctl, .compat_ioctl =3D perf_ioctl, .open =3D perf_open, --=20 2.43.0