From: Liu Bo <liubo2009@cn.fujitsu.com>
Date: Sun, 11 Sep 2011 14:52:24 +0000 (-0400)
Subject: Btrfs: reset to appropriate block rsv after orphan operations
X-Git-Tag: v3.1-rc6~4^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65450aa645b1ef7ed74e41c34b28d53333744978;p=pandora-kernel.git

Btrfs: reset to appropriate block rsv after orphan operations

While truncating free space cache, we forget to change trans->block_rsv
back to the original one, but leave it with the orphan_block_rsv, and
then with option inode_cache enable, it leads to countless warnings of
btrfs_alloc_free_block and btrfs_orphan_commit_root:

WARNING: at fs/btrfs/extent-tree.c:5711 btrfs_alloc_free_block+0x180/0x350 [btrfs]()
...
WARNING: at fs/btrfs/inode.c:2193 btrfs_orphan_commit_root+0xb0/0xc0 [btrfs]()

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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