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List:       linux-btrfs
Subject:    Re: [RFC PATCH v5 0/5] Online data deduplication
From:       Josef Bacik <jbacik () fusionio ! com>
Date:       2013-07-31 21:20:27
Message-ID: 20130731212027.GD2372 () localhost ! localdomain
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On Wed, Jul 31, 2013 at 11:37:40PM +0800, Liu Bo wrote:
> Data deduplication is a specialized data compression technique for eliminating
> duplicate copies of repeating data.[1]
> 
> This patch set is also related to "Content based storage" in project ideas[2].
> 
> PATCH 1 is a hang fix with deduplication on, but it's also useful without
> dedup in practice use.
> 
> PATCH 2 and 3 are targetting delayed refs' scalability problems, which are
> uncovered by the dedup feature.
> 
> PATCH 4 is a speed-up improvement, which is about dedup and quota.
> 
> PATCH 5 is full of real things, all details about implementation of dedup.
> 
> Plus, there is also a btrfs-progs patch which helps to enable/disable dedup
> feature.
> 
> TODO:
> * a bit-to-bit comparison callback.

Didn't pass my BUG_ON() search test, try again.

Josef
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