linux-kernel - Re: [PATCH 11/11] ext4: add cross rename support

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Message-ID: <CAJfpeguus=9GuvEKua4U-VF=nonzLgU5VFHqt8xRTTYU7RL-zQ@mail.gmail.com>
Date:	Wed, 23 Apr 2014 16:24:28 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:	linux-security-module@...r.kernel.org,
	Linux-Fsdevel <linux-fsdevel@...r.kernel.org>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/11] ext4: add cross rename support

On Sat, Apr 19, 2014 at 2:08 PM, Tetsuo Handa
<penguin-kernel@...ove.sakura.ne.jp> wrote:
> Michael Kerrisk (man-pages) wrote:
>> Now that renameat2() is in 3.15, I've taken these changes.
>
> What!? I didn't know renameat2() goes to 3.15.
>
> But I assume that renameat2() is not accessible in 3.15, for I can see
> "asmlinkage long sys_renameat2(" but don't see "#define __NR_renameat2".

x86 automatically generates __NR_foo entries and syscall tables from
arch/x86/syscalls/syscall_*.tbl, which is why you don't find an
explicit definition in the git tree.

Thanks,
Miklos
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