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From: David Howells <dhowells@redhat.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk, smfrench@gmail.com,
	jlayton@redhat.com, mcao@us.ibm.com,
	aneesh.kumar@linux.vnet.ibm.com, linux-cifs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	samba-technical@lists.samba.org, sjayaraman@suse.de,
	linux-ext4@vger.kernel.org
Subject: Re: [PATCH 3/3] Add a pair of system calls to make extended file stats available [ver #2]
Date: Wed, 30 Jun 2010 09:55:51 +0100	[thread overview]
Message-ID: <25470.1277888151@redhat.com> (raw)
In-Reply-To: <201006301030.52235.arnd@arndb.de>

Arnd Bergmann <arnd@arndb.de> wrote:

> I think it would be better to leave the structure as write-only from
> the kernel

Why?

> and pass the query_flags and struct_version as syscall arguments, though it
> makes sense to store them in the result as well.

The problem with that is that the number of syscall arguments is limited, and
there is no SYSCALL_DEFINE7.

On the other hand, I could make a separate argument block struct and pass a
pointer to it...

David

  reply	other threads:[~2010-06-30  8:55 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-30  1:16 [PATCH 0/3] Extended file stat functions [ver #2] David Howells
2010-06-30  1:17 ` [PATCH 1/3] Mark arguments to certain syscalls as being const " David Howells
2010-06-30  1:17 ` [PATCH 2/3] AFS: Use i_generation not i_version for the vnode uniquifier " David Howells
2010-06-30  1:17 ` [PATCH 3/3] Add a pair of system calls to make extended file stats available " David Howells
2010-06-30  1:48   ` Trond Myklebust
2010-06-30  9:33     ` Andreas Dilger
     [not found]     ` <CE3451EE-F8B2-47EF-AC1C-4EEEBE68B30F-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org>
2010-06-30  9:47       ` David Howells
2010-06-30  9:47         ` David Howells
2010-06-30  2:32   ` Nicholas Miell
2010-06-30  8:30   ` Arnd Bergmann
2010-06-30  8:55     ` David Howells [this message]
2010-06-30  9:31       ` Arnd Bergmann
2010-06-30 10:01         ` David Howells
     [not found]           ` <29346.1277892068-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-06-30 11:46             ` Arnd Bergmann
2010-06-30 11:46               ` Arnd Bergmann
2010-06-30 12:14               ` David Howells
     [not found]                 ` <26650.1277900050-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-06-30 12:44                   ` Arnd Bergmann
2010-06-30 12:44                     ` Arnd Bergmann
2010-06-30  9:45   ` Andreas Dilger
     [not found]   ` <B82FC7EE-93D2-4D86-906D-5D6AFA502709-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org>
2010-06-30 10:22     ` David Howells
2010-06-30 10:22       ` David Howells
2010-06-30 11:04 ` [PATCH 0/3] Extended file stat functions " Andreas Dilger
2010-06-30 12:05   ` David Howells
2010-06-30 12:11     ` Christoph Hellwig
2010-06-30 12:23       ` David Howells
2010-06-30 13:31       ` Arnd Bergmann
2010-06-30 14:05         ` Jeff Layton
     [not found]           ` <20100630100553.707785c7-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2010-06-30 17:36             ` Arnd Bergmann
2010-06-30 17:36               ` Arnd Bergmann
     [not found]     ` <26505.1277899544-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-06-30 21:45       ` Andreas Dilger
2010-06-30 21:45         ` Andreas Dilger
     [not found]     ` <FB78A152-53D3-4000-ABDB-9D6051ECB887-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org>
2010-06-30 23:15       ` David Howells
2010-06-30 23:15         ` David Howells
2010-06-30 23:27         ` H. Peter Anvin
2010-07-01  0:15           ` David Howells
     [not found]             ` <8331.1277943337-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-07-01  3:20               ` H. Peter Anvin
2010-07-01  3:20                 ` H. Peter Anvin
     [not found]         ` <30875.1277939713-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-07-01  4:57           ` Andreas Dilger
2010-07-01  4:57             ` Andreas Dilger
     [not found]             ` <84225B35-7365-4DE2-8920-5741011B347C-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org>
2010-07-01  8:09               ` Arnd Bergmann
2010-07-01  8:09                 ` Arnd Bergmann
2010-07-05 23:52 ` Brad Boyer
2013-11-26 10:40 ` Jan Kara
     [not found] ` <20131126104034.GA4854-+0h/O2h83AeN3ZZ/Hiejyg@public.gmane.org>
2013-11-28 13:07   ` David Howells
2013-11-28 13:07     ` David Howells
2013-11-28 13:57     ` Jan Kara

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