linux-kernel - Re: *at syscalls for xattrs?

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Message-ID: <Pine.LNX.4.64.0707160954160.25352@fbirervta.pbzchgretzou.qr>
Date:	Mon, 16 Jul 2007 09:56:10 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Al Viro <viro@....linux.org.uk>
cc:	Nicholas Miell <nmiell@...cast.net>, linux-fsdevel@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: *at syscalls for xattrs?


On Jul 15 2007 23:23, Al Viro wrote:
>On Sun, Jul 15, 2007 at 02:13:21PM -0700, Nicholas Miell wrote:
>> 
>> I suspect he was asking for 
>> 
>> int getxattrat(int fd, const char *path, const char *name, void *value, 
>> 		size_t size, int flags)
>> int setxattrat(int fd, const char *path, const char *name, void *value,
>> 		size_t size, int xattrflags, int atflags)
>> 
>> rather than the ability to access xattrs as files.
>
>Just one question: what the bleeding hell for?  Not that the rest of
>..at() family made any damn sense as an interface...

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. :)



	Jan
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