Description of problem:
=======================

On a fuse mount, files creation, linux untar and renames are being done.

Backtrace:
==========
(gdb) bt
#0  0x00007f691b27f643 in ec_get_real_size ()
   from /usr/lib64/glusterfs/3.7.1/xlator/cluster/disperse.so
#1  0x00007f691b281ee9 in ec_locked ()
   from /usr/lib64/glusterfs/3.7.1/xlator/cluster/disperse.so
#2  0x00007f691b289519 in ec_manager_inodelk ()
   from /usr/lib64/glusterfs/3.7.1/xlator/cluster/disperse.so
#3  0x00007f691b27ee04 in __ec_manager ()
   from /usr/lib64/glusterfs/3.7.1/xlator/cluster/disperse.so
#4  0x00007f691b27ec61 in ec_resume ()
   from /usr/lib64/glusterfs/3.7.1/xlator/cluster/disperse.so
#5  0x00007f691b29b9a6 in ec_combine ()
   from /usr/lib64/glusterfs/3.7.1/xlator/cluster/disperse.so
#6  0x00007f691b287d18 in ec_inodelk_cbk ()
   from /usr/lib64/glusterfs/3.7.1/xlator/cluster/disperse.so
#7  0x00007f691b4f1455 in client3_3_inodelk_cbk ()
   from /usr/lib64/glusterfs/3.7.1/xlator/protocol/client.so
#8  0x0000003cbca0ed75 in rpc_clnt_handle_reply ()
   from /usr/lib64/libgfrpc.so.0
#9  0x0000003cbca10212 in rpc_clnt_notify () from /usr/lib64/libgfrpc.so.0
#10 0x0000003cbca0b8e8 in rpc_transport_notify ()
   from /usr/lib64/libgfrpc.so.0
#11 0x00007f691c75fbcd in ?? ()
   from /usr/lib64/glusterfs/3.7.1/rpc-transport/socket.so
#12 0x00007f691c7616fd in ?? ()
   from /usr/lib64/glusterfs/3.7.1/rpc-transport/socket.so
#13 0x0000003cbc280f70 in ?? () from /usr/lib64/libglusterfs.so.0
#14 0x0000003cbba07a51 in start_thread () from /lib64/libpthread.so.0
#15 0x0000003cbb6e896d in clone () from /lib64/libc.so.6
(gdb) q


Version-Release number of selected component (if applicable):
============================================================
[root@transformers ~]# gluster --version
glusterfs 3.7.1 built on Jun  9 2015 02:31:56
Repository revision: git://git.gluster.com/glusterfs.git
Copyright (c) 2006-2011 Gluster Inc. <http://www.gluster.com>
GlusterFS comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GlusterFS under the terms of the GNU General Public License.
[root@transformers ~]# 

How reproducible:
=================
seen once


Steps to Reproduce:
1. created a 8+4 disperse volume and create files, directories and linux untar
2. converted to distributed disperse volume and run rebalance 
3. While rebalance is in progres, continue creating files, renames, linux untar and directories.

Actual results:
===============
client crashed

Expected results:


Additional info:
================

corefile will be copied to rhsqe