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Thu, 11 Apr 2024 08:38:03 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.38.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:38:03 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 230/437] drivers/nvme: convert to read/write iterators Date: Thu, 11 Apr 2024 09:16:10 -0600 Message-ID: <20240411153126.16201-231-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/nvme/host/fabrics.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 1f0ea1f32d22..6d0251cc4bf3 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -1326,10 +1326,10 @@ static const struct class nvmf_class =3D { static struct device *nvmf_device; static DEFINE_MUTEX(nvmf_dev_mutex); =20 -static ssize_t nvmf_dev_write(struct file *file, const char __user *ubuf, - size_t count, loff_t *pos) +static ssize_t nvmf_dev_write(struct kiocb *iocb, struct iov_iter *from) { - struct seq_file *seq_file =3D file->private_data; + struct seq_file *seq_file =3D iocb->ki_filp->private_data; + size_t count =3D iov_iter_count(from); struct nvme_ctrl *ctrl; const char *buf; int ret =3D 0; @@ -1337,7 +1337,7 @@ static ssize_t nvmf_dev_write(struct file *file, cons= t char __user *ubuf, if (count > PAGE_SIZE) return -ENOMEM; =20 - buf =3D memdup_user_nul(ubuf, count); + buf =3D iterdup_nul(from, count); if (IS_ERR(buf)) return PTR_ERR(buf); =20 @@ -1422,8 +1422,8 @@ static int nvmf_dev_release(struct inode *inode, stru= ct file *file) =20 static const struct file_operations nvmf_dev_fops =3D { .owner =3D THIS_MODULE, - .write =3D nvmf_dev_write, - .read =3D seq_read, + .write_iter =3D nvmf_dev_write, + .read_iter =3D seq_read_iter, .open =3D nvmf_dev_open, .release =3D nvmf_dev_release, }; --=20 2.43.0