From: tytso@mit.edu
To: Eric Sandeen <sandeen@redhat.com>
Cc: ext4 development <linux-ext4@vger.kernel.org>
Subject: Re: [PATCH 2/3] quota: add the option to not fail with EDQUOT in block allocation
Date: Thu, 20 May 2010 18:32:29 -0400 [thread overview]
Message-ID: <20100520223229.GE16634@thunk.org> (raw)
In-Reply-To: <4BBCFE9C.4070302@redhat.com>
On Wed, Apr 07, 2010 at 04:52:28PM -0500, Eric Sandeen wrote:
> To simplify metadata tracking for delalloc writes, ext4
> will simply claim metadata blocks at allocation time, without
> first speculatively reserving the worst case and then freeing
> what was not used.
>
> To do this, we need a mechanism to track allocations in
> the quota subsystem, but potentially allow that allocation
> to actually go over quota.
>
> This patch adds a DQUOT_SPACE_NOFAIL flag and function
> variants for this purpose.
>
> Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Applied to the ext4 patch queue.
- Ted
next prev parent reply other threads:[~2010-05-20 22:32 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-07 21:45 [PATCH 0/3] ext4: don't use quota reservation for speculative metadata blocks Eric Sandeen
2010-04-07 21:49 ` [PATCH 1/3] quota: use flags interface for dquot alloc/free space Eric Sandeen
2010-04-12 13:22 ` Jan Kara
2010-05-20 22:29 ` tytso
2010-04-07 21:52 ` [PATCH 2/3] quota: add the option to not fail with EDQUOT in block allocation Eric Sandeen
2010-04-12 13:23 ` Jan Kara
2010-05-20 22:32 ` tytso [this message]
2010-04-07 21:55 ` [PATCH 3/3] ext4: don't use quota reservation for speculative metadata blocks Eric Sandeen
2010-04-12 13:36 ` Jan Kara
2010-05-20 23:10 ` tytso
2010-04-08 8:20 ` [PATCH 0/3] " Dmitry Monakhov
2010-04-08 15:28 ` Eric Sandeen
2010-04-11 9:37 ` Dmitry Monakhov
2010-04-12 13:15 ` Jan Kara
2010-04-12 13:22 ` Jan Kara
2010-04-12 13:40 ` Dmitry Monakhov
2010-04-12 13:33 ` Dmitry Monakhov
2010-04-12 13:37 ` Dmitry Monakhov
2010-04-12 13:42 ` tytso
2010-04-12 13:52 ` Dmitry Monakhov
2010-04-12 13:55 ` Jan Kara
2010-04-12 14:08 ` Dmitry Monakhov
2010-04-12 14:24 ` Jan Kara
2010-04-12 15:50 ` Eric Sandeen
2010-04-12 2:20 ` tytso
2010-04-12 14:03 ` Jan Kara
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