From: "Yan, Zheng " <yanzheng@21cn.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: Disk space accounting and subvolume delete
Date: Tue, 1 Jun 2010 10:32:27 +0800 [thread overview]
Message-ID: <AANLkTinLc3_f5U_XSdWjTxfWKdKF_gZIg2HAD44u5Zti@mail.gmail.com> (raw)
In-Reply-To: <20100531190107.GA20103@untroubled.org>
On Tue, Jun 1, 2010 at 3:01 AM, Bruce Guenter <bruce@untroubled.org> wr=
ote:
> On Wed, May 12, 2010 at 01:02:07PM +0800, Yan, Zheng =A0wrote:
>> Dropping a tree can be lengthy. It's not good to let sync wait for h=
ours.
>> For most linux FS, 'sync' just force an transaction/journal commit. =
I don't
>> think they wait for large operations that can span multiple transact=
ions to
>> complete.
>
> What happens to the consistency of the filesystem if a crash happens
> during this process?
>
This does not break the consistency of the filesystem. Next mount will =
find the
partial dropped tree and restart the dropping process.
Yan, Zheng
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prev parent reply other threads:[~2010-06-01 2:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-10 18:23 Disk space accounting and subvolume delete Bruce Guenter
2010-05-10 18:50 ` Josef Bacik
2010-05-11 0:10 ` Yan, Zheng
2010-05-11 15:45 ` Bruce Guenter
2010-05-12 5:02 ` Yan, Zheng
2010-05-12 21:56 ` Mike Fleetwood
2010-05-31 19:01 ` Bruce Guenter
2010-05-31 20:34 ` Mike Fedyk
2010-06-01 2:32 ` Yan, Zheng [this message]
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