From: Casey Schaufler <casey@schaufler-ca.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: David Howells <dhowells@redhat.com>,
arnd@arndb.de, linux-afs@vger.kernel.org,
linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org,
samba-technical@lists.samba.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org
Subject: Re: [RFC][PATCH 00/12] Enhanced file stat system call
Date: Tue, 24 Nov 2015 06:43:38 -0800 [thread overview]
Message-ID: <5654779A.9000702@schaufler-ca.com> (raw)
In-Reply-To: <20151124081519.GA16147@infradead.org>
On 11/24/2015 12:15 AM, Christoph Hellwig wrote:
> On Fri, Nov 20, 2015 at 08:50:22AM -0800, Casey Schaufler wrote:
>> How about relevant xattrs? SELinux context, ACL, that sort of thing.
>> The fact that these are optional should be taken care of by (4).
> Those are not simple, fixed size stat data and would make the system
> call a giant mess.
>
I didn't say it would be easy. I do think that adding a system call
that only deals with simple, fixed size data is going to fall short
of solving "the problem".
Actually, a Smack label is fixed size (256 bytes). I suspect there
is a maximum for SELinux contexts as well. ACLs I'll grant you are
infinite.
next prev parent reply other threads:[~2015-11-24 14:43 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-20 14:54 [RFC][PATCH 00/12] Enhanced file stat system call David Howells
2015-11-20 14:54 ` [PATCH 01/12] Ext4: Fix extended timestamp encoding and decoding David Howells
[not found] ` <20151120145434.18930.89755.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2015-11-24 17:37 ` Andreas Dilger
2015-11-24 17:37 ` Andreas Dilger
2015-11-24 19:36 ` Theodore Ts'o
[not found] ` <20151124193646.GA3482-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org>
2015-11-24 20:10 ` Arnd Bergmann
2015-11-24 20:10 ` Arnd Bergmann
2015-11-29 2:45 ` Theodore Ts'o
2015-11-29 2:45 ` Theodore Ts'o
[not found] ` <20151129024555.GA31968-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org>
2015-11-29 21:30 ` Arnd Bergmann
2015-11-29 21:30 ` Arnd Bergmann
2015-11-30 14:16 ` Theodore Ts'o
[not found] ` <20151130141605.GA4316-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org>
2015-11-30 14:37 ` Arnd Bergmann
2015-11-30 14:37 ` Arnd Bergmann
2015-11-30 14:46 ` Elmar Stellnberger
2015-11-26 15:28 ` David Howells
2015-11-26 15:28 ` David Howells
2015-11-20 14:54 ` [PATCH 02/12] statx: Provide IOC flags for Windows fs attributes David Howells
[not found] ` <20151120145447.18930.5308.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2015-11-24 19:52 ` Theodore Ts'o
2015-11-24 19:52 ` Theodore Ts'o
2015-11-26 15:35 ` David Howells
[not found] ` <7976.1448552129-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2015-11-26 16:01 ` David Howells
2015-11-26 16:01 ` David Howells
2015-11-26 22:10 ` Andreas Dilger
2015-11-26 22:10 ` Andreas Dilger
2015-11-20 14:54 ` [PATCH 03/12] statx: Add a system call to make enhanced file info available David Howells
[not found] ` <20151120145457.18930.79678.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2015-11-24 20:21 ` Dave Chinner
2015-11-24 20:21 ` Dave Chinner
2015-12-04 12:06 ` Pavel Machek
2015-12-04 12:06 ` Pavel Machek
2015-12-21 23:21 ` David Howells
2015-11-20 14:55 ` [PATCH 04/12] statx: AFS: Return enhanced file attributes David Howells
2015-11-20 14:55 ` [PATCH 05/12] statx: Ext4: " David Howells
2015-11-20 14:55 ` [PATCH 06/12] statx: NFS: " David Howells
2015-11-20 14:55 ` [PATCH 07/12] statx: CIFS: Return enhanced attributes David Howells
2015-11-24 17:33 ` Steve French
2015-11-24 17:34 ` Steve French
2015-11-24 17:34 ` Steve French
2015-11-20 14:56 ` [PATCH 08/12] fsinfo: Add a system call to make enhanced filesystem info available David Howells
2015-11-20 14:56 ` [PATCH 09/12] fsinfo: Ext4: Return information through the filesystem info syscall David Howells
2015-11-20 14:56 ` [PATCH 10/12] fsinfo: AFS: " David Howells
2015-11-20 14:56 ` [PATCH 11/12] fsinfo: NFS: " David Howells
[not found] ` <20151120145422.18930.72662.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2015-11-20 14:56 ` [PATCH 12/12] fsinfo: CIFS: " David Howells
2015-11-20 14:56 ` David Howells
2015-11-24 8:11 ` [RFC][PATCH 00/12] Enhanced file stat system call Christoph Hellwig
2015-11-24 8:11 ` Christoph Hellwig
2015-11-20 16:19 ` Martin Steigerwald
2015-11-24 8:13 ` Christoph Hellwig
2015-11-24 8:48 ` Martin Steigerwald
2015-11-24 8:50 ` Christoph Hellwig
2015-11-20 16:28 ` David Howells
2015-11-20 16:28 ` David Howells
2015-11-20 16:35 ` Martin Steigerwald
[not found] ` <4495.1448036915-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2015-11-25 17:51 ` J. Bruce Fields
2015-11-25 17:51 ` J. Bruce Fields
[not found] ` <20151125175153.GA30335-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2015-11-25 19:30 ` Andreas Dilger
2015-11-25 19:30 ` Andreas Dilger
2015-11-20 16:50 ` Casey Schaufler
[not found] ` <564F4F4E.8060603-iSGtlc1asvQWG2LlvL+J4A@public.gmane.org>
2015-11-24 8:15 ` Christoph Hellwig
2015-11-24 8:15 ` Christoph Hellwig
2015-11-24 14:43 ` Casey Schaufler [this message]
2015-11-24 16:28 ` Andreas Dilger
2015-11-26 15:19 ` David Howells
2015-11-26 22:06 ` Andreas Dilger
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