From: Arne Jansen <sensille@gmx.net>
Date: Wed, 14 Sep 2011 13:44:05 +0000 (+0200)
Subject: Btrfs: hooks to reserve qgroup space
X-Git-Tag: v3.6-rc1~81^2~5^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c556723794b3487a79de1ecd6354975b1389f5ff;p=pandora-kernel.git

Btrfs: hooks to reserve qgroup space

Like block reserves, reserve a small piece of space on each
transaction start and for delalloc. These are the hooks that
can actually return EDQUOT to the user.
The amount of space reserved is tracked in the transaction
handle.

Signed-off-by: Arne Jansen <sensille@gmx.net>
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