From: Christoph Hellwig <hch@lst.de>
Date: Fri, 1 Oct 2010 03:41:39 +0000 (+0200)
Subject: hfsplus: introduce alloc_mutex
X-Git-Tag: v2.6.37-rc1~222^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40bf48afe92fcea61e7e164f0b2599fba8b88124;p=pandora-kernel.git

hfsplus: introduce alloc_mutex

Use a new per-sb alloc_mutex instead of abusing i_mutex of the alloc_file
to protect block allocations.  This gets rid of lockdep nesting warnings
and prepares for extending the scope of alloc_mutex.

Signed-off-by: Christoph Hellwig <hch@tuxera.com>
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