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Date: Mon, 16 Jul 2007 01:30:38 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Jan Engelhardt <jengelh@computergmbh.de>
CC: Al Viro <viro@ftp.linux.org.uk>, Nicholas Miell <nmiell@comcast.net>,
       linux-fsdevel@vger.kernel.org,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: *at syscalls for xattrs?
References: <Pine.LNX.4.64.0707132228460.25352@fbirervta.pbzchgretzou.qr> <20070715205313.GE21668@ftp.linux.org.uk> <1184534001.2765.5.camel@entropy> <20070715222323.GG21668@ftp.linux.org.uk> <Pine.LNX.4.64.0707160954160.25352@fbirervta.pbzchgretzou.qr>
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Jan Engelhardt wrote:
> fd1 = open("dir1", O_DIRECTORY):
> fd2 = open("dir2", O_DIRECTORY);
> system("mount -t tmpfs none dir1");
> system("mount -t tmpfs none dir2");
> openat(fd1, "file1", O_RDWR | O_CREAT);
> openat(fd2, "file2", O_RDWR | O_CREAT);
> If you have a better way to accomplish this, let me know. :)
>   

This should work:

    fchdir(fd1);
    open("file1", O_RDWR | O_CREAT);
    fchdir(fd2);
    open("file2", O_RDWR | O_CREAT);


    J