From: Joel Becker <Joel.Becker@oracle.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 10/14] quota: Introduce DQUOT_QUOTA_SYS_FILE flag
Date: Tue, 28 Oct 2008 10:51:06 -0700 [thread overview]
Message-ID: <20081028175106.GA17578@mail.oracle.com> (raw)
In-Reply-To: <20081027224414.d683a1a2.akpm@linux-foundation.org>
On Mon, Oct 27, 2008 at 10:44:14PM -0700, Andrew Morton wrote:
> On Mon, 27 Oct 2008 13:11:48 +0100 Jan Kara <jack@suse.cz> wrote:
>
> > If filesystem can handle quota files as system files hidden from users, we can
> > skip a lot of cache invalidation, syncing, inode flags setting etc. when
> > turning quotas on, off and quota_sync. Allow filesystem to indicate that it is
> > hiding quota files from users by DQUOT_QUOTA_SYS_FILE flag.
>
> Which filesystems can do this? (Or will be able to...)
ocfs2 will (Jan's posted those patches over at ocfs2-devel). I
can't see why extN couldn't at some point.
Joel
--
Life's Little Instruction Book #444
"Never underestimate the power of a kind word or deed."
Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2008-10-28 17:51 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-27 12:11 [PATCH 00/14] 64-bit quotas and preparations for OCFS2 quotas Jan Kara
2008-10-27 12:11 ` [PATCH 01/14] quota: Add callbacks for allocating and destroying dquot structures Jan Kara
2008-10-27 12:11 ` [PATCH 02/14] quota: Increase size of variables for limits and inode usage Jan Kara
2008-10-27 12:11 ` [PATCH 03/14] quota: Remove bogus 'optimization' in check_idq() and check_bdq() Jan Kara
2008-10-27 12:11 ` [PATCH 04/14] quota: Make _SUSPENDED just a flag Jan Kara
2008-10-27 12:11 ` [PATCH 05/14] quota: Allow to separately enable quota accounting and enforcing limits Jan Kara
2008-10-27 12:11 ` [PATCH 06/14] ext3: Use sb_any_quota_loaded() instead of sb_any_quota_enabled() Jan Kara
2008-10-27 12:11 ` [PATCH 07/14] ext4: " Jan Kara
2008-10-27 12:11 ` [PATCH 08/14] reiserfs: " Jan Kara
2008-10-27 12:11 ` [PATCH 09/14] quota: Remove compatibility function sb_any_quota_enabled() Jan Kara
2008-10-27 12:11 ` [PATCH 10/14] quota: Introduce DQUOT_QUOTA_SYS_FILE flag Jan Kara
2008-10-27 12:11 ` [PATCH 11/14] quota: Move quotaio_v[12].h from include/linux/ to fs/ Jan Kara
2008-10-27 12:11 ` [PATCH 12/14] quota: Split off quota tree handling into a separate file Jan Kara
2008-10-27 12:11 ` [PATCH 13/14] quota: Convert union in mem_dqinfo to a pointer Jan Kara
2008-10-27 12:11 ` [PATCH 14/14] quota: Support 64-bit quota format Jan Kara
2008-10-28 5:29 ` Andrew Morton
2008-10-29 2:39 ` Jan Kara
2008-10-29 0:41 ` Mingming Cao
2008-10-29 1:02 ` Andrew Morton
2008-10-29 21:31 ` Mingming Cao
2008-10-28 5:55 ` [PATCH 13/14] quota: Convert union in mem_dqinfo to a pointer Andrew Morton
2008-10-29 2:40 ` Jan Kara
2008-10-28 5:52 ` [PATCH 12/14] quota: Split off quota tree handling into a separate file Andrew Morton
2008-10-29 2:43 ` Jan Kara
2008-10-28 22:32 ` [PATCH 11/14] quota: Move quotaio_v[12].h from include/linux/ to fs/ Andrew Morton
2008-10-29 3:21 ` Jan Kara
2008-10-28 5:44 ` [PATCH 10/14] quota: Introduce DQUOT_QUOTA_SYS_FILE flag Andrew Morton
2008-10-28 17:51 ` Joel Becker [this message]
2008-10-28 5:40 ` [PATCH 02/14] quota: Increase size of variables for limits and inode usage Andrew Morton
2008-10-28 9:11 ` Boaz Harrosh
2008-10-29 3:01 ` Jan Kara
2008-10-28 5:33 ` [PATCH 01/14] quota: Add callbacks for allocating and destroying dquot structures Andrew Morton
2008-10-29 3:05 ` Jan Kara
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