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Date:	Fri, 1 Feb 2013 16:57:59 -0800
From:	Michel Lespinasse <walken@...gle.com>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	Amit Kale <akale@...c-inc.com>,
	linux-bcache <linux-bcache@...r.kernel.org>,
	device-mapper development <dm-devel@...hat.com>,
	Kent Overstreet <kent.overstreet@...il.com>,
	Mike Snitzer <snitzer@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, Jason Warr <jason@...r.net>,
	thornber@...hat.com
Subject: Re: [RFC] [DONOTAPPLY] [PATCH] enhanceio: STEC EnhanceIO SSD caching
 software for Linux kernel

On Fri, Feb 1, 2013 at 4:44 PM, Darrick J. Wong <darrick.wong@...cle.com> wrote:
> This is a patch to migrate STEC's enhanceio driver out of their github
> repository and into the staging tree.  From their README:
>
> "EnhanceIO driver is based on EnhanceIO SSD caching software product developed
> by STEC Inc. EnhanceIO was derived from Facebook's open source Flashcache
> project. EnhanceIO uses SSDs as cache devices for traditional rotating hard
> disk drives (referred to as source volumes throughout this document).
> EnhanceIO can work with any block device, be it an entire physical disk, an
> individual disk partition,  a RAIDed DAS device, a SAN volume, a device mapper
> volume or a software RAID (md) device."

What's your take on the benefits of this vs bcache ?

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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