From a1ecaabbf90cf4e93eb2b50aef3d07ab630c6fb1 Mon Sep 17 00:00:00 2001
From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Date: Wed, 2 Apr 2014 19:53:32 +0800
Subject: [PATCH] Btrfs: fix unlock in __start_delalloc_inodes()

This patch fix a regression caused by the following patch:
Btrfs: don't flush all delalloc inodes when we doesn't get s_umount lock

break while loop will make us call @spin_unlock() without
calling @spin_lock() before, fix it.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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