From: Stefan Metzmacher <metze@samba.org>
To: Pavel Begunkov <asml.silence@gmail.com>,
Jens Axboe <axboe@kernel.dk>,
Alexander Viro <viro@zeniv.linux.org.uk>,
io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] io_uring: add splice(2) support
Date: Mon, 17 Feb 2020 16:18:03 +0100 [thread overview]
Message-ID: <6d803558-ab09-1850-2c38-38848b8ddf27@samba.org> (raw)
In-Reply-To: <b33d7315f266225237dfd10f483162c51c2ed5bc.1581802973.git.asml.silence@gmail.com>
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Hi Pavel,
> +static int io_splice_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
> +{
> + struct io_splice* sp = &req->splice;
> + unsigned int valid_flags = SPLICE_F_FD_IN_FIXED | SPLICE_F_ALL;
> + int ret;
> +
> + if (req->flags & REQ_F_NEED_CLEANUP)
> + return 0;
> +
> + sp->file_in = NULL;
> + sp->off_in = READ_ONCE(sqe->off_in);
> + sp->off_out = READ_ONCE(sqe->off);
> + sp->len = READ_ONCE(sqe->len);
> + sp->flags = READ_ONCE(sqe->splice_flags);
> +
> + if (unlikely(READ_ONCE(sqe->ioprio) || (sp->flags & ~valid_flags)))
> + return -EINVAL;
Why is ioprio not supported?
metze
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next prev parent reply other threads:[~2020-02-17 15:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-15 22:05 [PATCH v2 0/3] io_uring: add splice(2) support Pavel Begunkov
2020-02-15 22:05 ` [PATCH v2 1/3] splice: make do_splice public Pavel Begunkov
2020-02-15 22:05 ` [PATCH v2 2/3] io_uring: add interface for getting files Pavel Begunkov
2020-02-15 22:05 ` [PATCH v2 3/3] io_uring: add splice(2) support Pavel Begunkov
2020-02-17 15:18 ` Stefan Metzmacher [this message]
2020-02-17 15:40 ` Pavel Begunkov
2020-02-17 15:54 ` Stefan Metzmacher
2020-02-17 15:59 ` Pavel Begunkov
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