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To: linux-btrfs@vger.kernel.org
From: Alex Elsayed <eternaleye@gmail.com>
Subject: Re: RAID device nomination (Feature request)
Date: Thu, 18 Apr 2013 20:05:58 -0700
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References: <kkotdg$o1e$1@ger.gmane.org> <20130418140604.GL7639@carfax.org.uk> <kkpilp$kdd$1@ger.gmane.org> <kkq3qu$t2q$1@ger.gmane.org>
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Martin wrote:

<snip>

> Or perhaps include the same Ceph code routines into btrfs?...

That's actually what I was thinking. The CRUSH code is actually already 
pretty well factored out - it lives in net/ceph/crush/ in the kernel source 
tree, and is treated as part of 'libceph' (which is used by both the Ceph 
filesystem in fs/ceph/ and the RBD block device in drivers/block/rbd.c).