From: Li Zefan <lizf@cn.fujitsu.com>
To: Duncan <1i5t5.duncan@cox.net>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Setting options permanently?
Date: Mon, 30 Jan 2012 13:57:49 +0800 [thread overview]
Message-ID: <4F26315D.30905@cn.fujitsu.com> (raw)
In-Reply-To: <pan.2012.01.28.03.32.23@cox.net>
>> I currently don't see how to repair this afterwards without removing the
>> uncompressed files and writing new ones, which on the other hand spoils
>> hte memory saving effect of using snapshots instead of copies.
>
> A rebalance is the usual way of handling such things, since that rewrites
> every chunk, taking account of current mount options, etc. If I've been
> reading correctly, a defrag should handle it now as well, altho that used
> to break snapshots/cow/reflink-copies, but I /think/ I read that with 3.2
> (or was it 3.3-rc1) it doesn't, any more.
>
Rebalance won't do the trick, but defrag can. And defrag still breaks
snapshots, which I'm working on.
next prev parent reply other threads:[~2012-01-30 5:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-27 15:03 Setting options permanently? Hadmut Danisch
2012-01-27 23:20 ` Chester
2012-01-28 0:49 ` Hadmut Danisch
2012-01-28 3:32 ` Duncan
2012-01-28 6:05 ` Ben Klein
2012-01-28 8:23 ` Roman Mamedov
2012-01-28 9:24 ` Ben Klein
2012-01-28 10:55 ` Duncan
2012-01-30 5:57 ` Li Zefan [this message]
2012-01-28 12:07 ` Fajar A. Nugraha
2012-01-30 7:18 ` Sander
2012-01-30 7:49 ` Li Zefan
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