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Thu, 11 Apr 2024 08:35:18 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.35.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:35:17 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 129/437] firmware: tegra: convert to read/write iterators Date: Thu, 11 Apr 2024 09:14:29 -0600 Message-ID: <20240411153126.16201-130-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/firmware/tegra/bpmp-debugfs.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/firmware/tegra/bpmp-debugfs.c b/drivers/firmware/tegra= /bpmp-debugfs.c index 4221fed70ad4..6ef756a2d638 100644 --- a/drivers/firmware/tegra/bpmp-debugfs.c +++ b/drivers/firmware/tegra/bpmp-debugfs.c @@ -363,21 +363,21 @@ static int bpmp_debug_show(struct seq_file *m, void *= p) return err; } =20 -static ssize_t bpmp_debug_store(struct file *file, const char __user *buf, - size_t count, loff_t *f_pos) +static ssize_t bpmp_debug_store(struct kiocb *iocb, struct iov_iter *from) { - struct inode *inode =3D file_inode(file); + struct inode *inode =3D file_inode(iocb->ki_filp); struct tegra_bpmp *bpmp =3D inode->i_private; + size_t count =3D iov_iter_count(from); char *databuf =3D NULL; char fnamebuf[256]; const char *filename; ssize_t err; =20 - filename =3D get_filename(bpmp, file, fnamebuf, sizeof(fnamebuf)); + filename =3D get_filename(bpmp, iocb->ki_filp, fnamebuf, sizeof(fnamebuf)= ); if (!filename) return -ENOENT; =20 - databuf =3D memdup_user(buf, count); + databuf =3D iterdup(from); if (IS_ERR(databuf)) return PTR_ERR(databuf); =20 @@ -394,9 +394,9 @@ static int bpmp_debug_open(struct inode *inode, struct = file *file) =20 static const struct file_operations bpmp_debug_fops =3D { .open =3D bpmp_debug_open, - .read =3D seq_read, + .read_iter =3D seq_read_iter, .llseek =3D seq_lseek, - .write =3D bpmp_debug_store, + .write_iter =3D bpmp_debug_store, .release =3D single_release, }; =20 @@ -630,11 +630,11 @@ static int debugfs_open(struct inode *inode, struct f= ile *file) return single_open_size(file, debugfs_show, file, SZ_128K); } =20 -static ssize_t debugfs_store(struct file *file, const char __user *buf, - size_t count, loff_t *f_pos) +static ssize_t debugfs_store(struct kiocb *iocb, struct iov_iter *from) { - struct inode *inode =3D file_inode(file); + struct inode *inode =3D file_inode(iocb->ki_filp); struct tegra_bpmp *bpmp =3D inode->i_private; + size_t count =3D iov_iter_count(from); const size_t datasize =3D count; const size_t namesize =3D SZ_256; void *datavirt, *namevirt; @@ -644,7 +644,7 @@ static ssize_t debugfs_store(struct file *file, const c= har __user *buf, size_t len; int err; =20 - filename =3D get_filename(bpmp, file, fnamebuf, sizeof(fnamebuf)); + filename =3D get_filename(bpmp, iocb->ki_filp, fnamebuf, sizeof(fnamebuf)= ); if (!filename) return -ENOENT; =20 @@ -681,9 +681,9 @@ static ssize_t debugfs_store(struct file *file, const c= har __user *buf, =20 static const struct file_operations debugfs_fops =3D { .open =3D debugfs_open, - .read =3D seq_read, + .read_iter =3D seq_read_iter, .llseek =3D seq_lseek, - .write =3D debugfs_store, + .write_iter =3D debugfs_store, .release =3D single_release, }; =20 --=20 2.43.0