From 9f0ccfd8e07d61b413e6536ffa02fbf60d2e20d8 Mon Sep 17 00:00:00 2001
From: Mingming Cao <cmm@us.ibm.com>
Date: Mon, 28 Sep 2009 15:49:52 -0400
Subject: [PATCH] ext4: release reserved quota when block reservation for
 delalloc retry

ext4_da_reserve_space() can reserve quota blocks multiple times if
ext4_claim_free_blocks() fail and we retry the allocation. We should
release the quota reservation before restarting.

Bug found by Jan Kara.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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