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Thu, 11 Apr 2024 08:34:36 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.34.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:34:35 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 103/437] ipc: convert to read/write iterators Date: Thu, 11 Apr 2024 09:14:03 -0600 Message-ID: <20240411153126.16201-104-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 --- ipc/mqueue.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 5eea4dc0509e..812b03cf4273 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -632,10 +632,9 @@ static int mqueue_unlink(struct inode *dir, struct den= try *dentry) * that are interesting from user point of view and aren't accessible * through std routines) */ -static ssize_t mqueue_read_file(struct file *filp, char __user *u_data, - size_t count, loff_t *off) +static ssize_t mqueue_read_file(struct kiocb *iocb, struct iov_iter *to) { - struct inode *inode =3D file_inode(filp); + struct inode *inode =3D file_inode(iocb->ki_filp); struct mqueue_inode_info *info =3D MQUEUE_I(inode); char buffer[FILENT_SIZE]; ssize_t ret; @@ -652,8 +651,7 @@ static ssize_t mqueue_read_file(struct file *filp, char= __user *u_data, spin_unlock(&info->lock); buffer[sizeof(buffer)-1] =3D '\0'; =20 - ret =3D simple_read_from_buffer(u_data, count, off, buffer, - strlen(buffer)); + ret =3D simple_copy_to_iter(buffer, &iocb->ki_pos, strlen(buffer), to); if (ret <=3D 0) return ret; =20 @@ -1663,7 +1661,7 @@ static const struct inode_operations mqueue_dir_inode= _operations =3D { static const struct file_operations mqueue_file_operations =3D { .flush =3D mqueue_flush_file, .poll =3D mqueue_poll_file, - .read =3D mqueue_read_file, + .read_iter =3D mqueue_read_file, .llseek =3D default_llseek, }; =20 --=20 2.43.0