linux-kernel - Re: [PATCH 0/3] readfile(2): a new syscall to make open/read/close faster

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Message-ID: <CAODFU0q=nDdx7D1NUxTQshBjqgTCYPpKzog78XZLjoPqnZqXvw@mail.gmail.com>
Date:   Sun, 5 Jul 2020 05:18:58 +0200
From:   Jan Ziak <0xe2.0x9a.0x9b@...il.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     gregkh@...uxfoundation.org, linux-api@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-man@...r.kernel.org,
        mtk.manpages@...il.com, shuah@...nel.org, viro@...iv.linux.org.uk
Subject: Re: [PATCH 0/3] readfile(2): a new syscall to make open/read/close faster

On Sun, Jul 5, 2020 at 5:12 AM Matthew Wilcox <willy@...radead.org> wrote:
>
> You should probably take a look at io_uring.  That has the level of
> complexity of this proposal and supports open/read/close along with many
> other opcodes.

Then glibc can implement readfile using io_uring and there is no need
for a new single-file readfile syscall.