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From: Qu Wenruo <quwenruo@cn.fujitsu.com>
To: <dsterba@suse.cz>, Hugo Mills <hugo@carfax.org.uk>,
	sri <toyours_sridhar@yahoo.co.in>, <linux-btrfs@vger.kernel.org>
Subject: Re: how many chunk trees and extent trees present
Date: Fri, 26 Feb 2016 09:29:29 +0800	[thread overview]
Message-ID: <56CFAA79.9020706@cn.fujitsu.com> (raw)
In-Reply-To: <20150417172928.GT25622@twin.jikos.cz>



David Sterba wrote on 2015/04/17 19:29 +0200:
> On Fri, Apr 17, 2015 at 09:19:11AM +0000, Hugo Mills wrote:
>>> In, some article i read that future there will be more chunk tree/ extent
>>> tree for single btrfs. Is this true.
>>
>>     I recall, many moons ago, Chris saying that there probably wouldn't
>> be.
>
> More extent trees tied to a set of fs trees/subvolumes would be very
> useful for certain usecases *cough*encryption*cough*.

BTW, will such design makes reflink between different set of extents 
fallback to normal copy?

And I'm pretty sure that inband dedup will be affected too...

Thanks,
Qu

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  reply	other threads:[~2016-02-26  1:29 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-17  6:24 how many chunk trees and extent trees present sri
2015-04-17  9:19 ` Hugo Mills
2015-04-17  9:56   ` sri
2016-02-25 12:16     ` sri
2016-02-26  1:21       ` Qu Wenruo
2015-04-17 17:29   ` David Sterba
2016-02-26  1:29     ` Qu Wenruo [this message]
2016-03-03 10:02       ` David Sterba
2016-03-04  2:58     ` Anand Jain
2016-03-04  9:26       ` David Sterba

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