From: Yan Zheng <zheng.yan@oracle.com>
Date: Wed, 21 Jan 2009 15:49:16 +0000 (-0500)
Subject: Btrfs: fix locking issue in btrfs_remove_block_group
X-Git-Tag: v2.6.29-rc4~9^2~20^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dfdb9348ada18c74c39b9ae7b115e0594792281;p=pandora-kernel.git

Btrfs: fix locking issue in btrfs_remove_block_group

We should hold the block_group_cache_lock while modifying the
block groups red-black tree. Thank you,

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
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