From: Miao Xie <miaox@cn.fujitsu.com>
Date: Fri, 18 Feb 2011 09:21:17 +0000 (+0000)
Subject: btrfs: fix not enough reserved space
X-Git-Tag: v2.6.38~13^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e6b6465e6efbca3985258996be9c189da96c8bf;p=pandora-kernel.git

btrfs: fix not enough reserved space

btrfs_link() will insert 3 items(inode ref, dir name item and dir index item)
into the b+ tree and update 2 items(its inode, and parent's inode) in the b+
tree. So we should reserve space for these 5 items, not 3 items.

Reported-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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