From: Eric Sandeen <sandeen@redhat.com>
To: Wang Sheng-Hui <shhuiw@gmail.com>
Cc: ext4 development <linux-ext4@vger.kernel.org>
Subject: Re: Use fsck to free the space used by dir?
Date: Fri, 03 Aug 2012 10:18:57 -0500 [thread overview]
Message-ID: <501BEBE1.5080508@redhat.com> (raw)
In-Reply-To: <501BDDE5.8060005@gmail.com>
On 8/3/12 9:19 AM, Wang Sheng-Hui wrote:
> Dear all,
>
> I read through the namei.c code recently, but didn't notice any code to
> reduce the size of a dir file (append can increase its size though).
Right, AFAIK nothing in kernelspace will reduce the size.
> I wonder if I create large amount of files under dir A, then remove all
> the sub items, do I need to run fsck to free the disk space used by the
> dir file?
Yes, e2fsck -fD should compress them again.
-Eric
> Please help confirm or if I missed some points.
>
>
> Regards,
> Sheng-Hui
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next prev parent reply other threads:[~2012-08-03 15:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-03 14:19 Use fsck to free the space used by dir? Wang Sheng-Hui
2012-08-03 15:18 ` Eric Sandeen [this message]
2012-08-03 17:57 ` Theodore Ts'o
2012-08-04 4:25 ` Wang Sheng-Hui
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