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Thu, 11 Apr 2024 08:34:07 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.34.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:34:06 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 086/437] fs: add iterator based version of simple_transaction_read() Date: Thu, 11 Apr 2024 09:13:46 -0600 Message-ID: <20240411153126.16201-87-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/libfs.c | 10 ++++++++++ include/linux/fs.h | 1 + 2 files changed, 11 insertions(+) diff --git a/fs/libfs.c b/fs/libfs.c index 3280d02fc385..56b404ad4cfb 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -1277,6 +1277,16 @@ ssize_t simple_transaction_read(struct file *file, c= har __user *buf, size_t size } EXPORT_SYMBOL(simple_transaction_read); =20 +ssize_t simple_transaction_read_iter(struct kiocb *iocb, struct iov_iter *= to) +{ + struct simple_transaction_argresp *ar =3D iocb->ki_filp->private_data; + + if (!ar) + return 0; + return simple_copy_to_iter(ar->data, &iocb->ki_pos, ar->size, to); +} +EXPORT_SYMBOL(simple_transaction_read_iter); + int simple_transaction_release(struct inode *inode, struct file *file) { free_page((unsigned long)file->private_data); diff --git a/include/linux/fs.h b/include/linux/fs.h index 69e4dfac2853..85db7dde4778 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3500,6 +3500,7 @@ char *simple_transaction_get(struct file *file, const= char __user *buf, size_t size); ssize_t simple_transaction_read(struct file *file, char __user *buf, size_t size, loff_t *pos); +ssize_t simple_transaction_read_iter(struct kiocb *iocb, struct iov_iter *= to); int simple_transaction_release(struct inode *inode, struct file *file); =20 void simple_transaction_set(struct file *file, size_t n); --=20 2.43.0