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Thu, 11 Apr 2024 08:33:01 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.32.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:32:59 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 047/437] tracefs: convert to read/write iterators Date: Thu, 11 Apr 2024 09:13:07 -0600 Message-ID: <20240411153126.16201-48-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 --- fs/tracefs/inode.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index 5545e6bf7d26..b1a9b5f10581 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -46,21 +46,19 @@ static void tracefs_free_inode(struct inode *inode) kmem_cache_free(tracefs_inode_cachep, get_tracefs(inode)); } =20 -static ssize_t default_read_file(struct file *file, char __user *buf, - size_t count, loff_t *ppos) +static ssize_t default_read_file_iter(struct kiocb *iocb, struct iov_iter = *to) { return 0; } =20 -static ssize_t default_write_file(struct file *file, const char __user *bu= f, - size_t count, loff_t *ppos) +static ssize_t default_write_file_iter(struct kiocb *iocb, struct iov_iter= *from) { - return count; + return iov_iter_count(from); } =20 static const struct file_operations tracefs_file_operations =3D { - .read =3D default_read_file, - .write =3D default_write_file, + .read_iter =3D default_read_file_iter, + .write_iter =3D default_write_file_iter, .open =3D simple_open, .llseek =3D noop_llseek, }; --=20 2.43.0