From: Arne Jansen <sensille@gmx.net>
Date: Tue, 12 Apr 2011 09:01:20 +0000 (+0200)
Subject: btrfs: heed alloc_start
X-Git-Tag: v3.0-rc1~38^2~8^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9c9bf68276c36898e23db770a65bd9b75bfac58;p=pandora-kernel.git

btrfs: heed alloc_start

currently alloc_start is disregarded if the requested
chunk size is bigger than (device size - alloc_start),
but smaller than the device size.
The only situation where I see this could have made sense
was when a chunk equal the size of the device has been
requested. This was possible as the allocator failed to
take alloc_start into account when calculating the request
chunk size. As this gets fixed by this patch, the workaround
is not necessary anymore.
---

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