From 46c4e71e9b02a649c722f06569f5b6575da02dba Mon Sep 17 00:00:00 2001
From: Filipe Manana <fdmanana@gmail.com>
Date: Tue, 24 Jun 2014 17:48:28 +0100
Subject: [PATCH] Btrfs: assert send doesn't attempt to start transactions

When starting a transaction just assert that current->journal_info
doesn't contain a send transaction stub, since send isn't supposed
to start transactions and when it finishes (either successfully or
not) it's supposed to set current->journal_info to NULL.

This is motivated by the change titled:

    Btrfs: fix crash when starting transaction

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
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