From: Andreas Philipp <philipp.andreas@gmail.com>
Date: Sat, 11 May 2013 11:13:03 +0000 (+0000)
Subject: Correct allowed raid levels on balance.
X-Git-Tag: v3.10-rc2~7^2^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8250dabedb633e162bce89f2aacf5e65fa9e6464;p=pandora-kernel.git

Correct allowed raid levels on balance.

Raid5 with 3 devices is well defined while the old logic allowed
raid5 only with a minimum of 4 devices when converting the block group
profile via btrfs balance. Creating a raid5 with just three devices
using mkfs.btrfs worked always as expected. This is now fixed and the
whole logic is rewritten.

Signed-off-by: Andreas Philipp <philipp.andreas@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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