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From: ching <lsching17@gmail.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: enquiry about defrag
Date: Tue, 11 Sep 2012 19:12:58 +0800	[thread overview]
Message-ID: <504F1CBA.6030201@gmail.com> (raw)
In-Reply-To: <504BDCE0.8020407@gmail.com>

On 09/09/2012 08:03 AM, ching wrote:
> Hi all,
>
> i am new on btrfs, i am testing KVM on btrfs (host: kernel x86-64 3.5.3), the performance is reasonable.
>
> I have two question on defrag, can someone help me?
>
> 1. According to btrfs wiki, defragment a COW file will produce two unrelated files.
>
>     Does it apply to the "autodefrag" mount option?
>
> 2. Is there any command for the fragmentation status of a file/dir ? e.g. fragment size, number of fragments.

can anybody helps on question 1?

  parent reply	other threads:[~2012-09-11 11:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-09  0:03 enquiry about defrag ching
2012-09-09  0:30 ` Jan Steffens
2012-09-09  7:49   ` ching
2012-09-09  9:11     ` Fajar A. Nugraha
2012-09-09 12:05       ` ching
2012-09-10 12:19         ` ching
2012-09-10 13:10           ` Liu Bo
2012-09-10 23:21             ` ching
2012-09-11  1:28               ` Li Zefan
2012-09-11 11:12                 ` ching
2012-09-10  9:23   ` Alex Lyakas
2012-09-11 11:12 ` ching [this message]
2012-09-11 11:45   ` David Sterba
2012-09-11 23:33     ` ching

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