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From: Andrea Mazzoleni <amadvance@gmail.com>
To: joystick <joystick@shiftmail.org>
Cc: Andrea Mazzoleni <amadvance@gmail.com>,
	linux-raid@vger.kernel.org, linux-btrfs@vger.kernel.org
Subject: Re: [RFC v2 0/2] New RAID library supporting up to six parities
Date: Tue, 7 Jan 2014 12:06:05 +0100	[thread overview]
Message-ID: <20140107110605.GC16044@gmail.com> (raw)
In-Reply-To: <52CA9A97.4000803@shiftmail.org>

On 01/06, joystick wrote:
> Just by looking at the Subjects, it seems patch number 0/1 is
> missing. It might have not gotten through to the lists, or be a
> numbering mistake.
The patch files can be also downloaded from: http://snapraid.sourceforge.net/linux/v2/

Sorry about that,

> Does your code also support (shortcut) RMW as opposed to RCW, for
> all parities?
At now no. But it can be easily extended to add the parity computation
of a single disk in a set of already computed parities and then provide the
required support for RMW.

With SSSE3 this can be implemented in a very efficient way.

Ciao,
Andrea


  parent reply	other threads:[~2014-01-07 11:06 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-06  9:31 [RFC v2 0/2] New RAID library supporting up to six parities Andrea Mazzoleni
2014-01-06  9:31 ` [RFC v2 2/2] fs: btrfs: Extends btrfs/raid56 to support " Andrea Mazzoleni
2014-01-06 14:12   ` Chris Mason
2014-01-07 10:35     ` Andrea Mazzoleni
2014-01-06 11:59 ` [RFC v2 0/2] New RAID library supporting " joystick
     [not found]   ` <laea0q$d0g$2@ger.gmane.org>
2014-01-06 15:49     ` joystick
2014-01-06 16:08       ` Alex Elsayed
2014-01-07 11:06   ` Andrea Mazzoleni [this message]
2014-01-06 17:02 ` Phil Turmel
2014-01-06 17:27   ` David Sterba
2014-01-07 11:19 ` Andrea Mazzoleni

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