Bug 1608396

Description of problem:
=======================
When moving multiple temporary files to the same destination rename for few files failed with "Transport endpoint is not connected" immediate after remove-brick commit.

Version-Release number of selected component (if applicable):
3.12.2-14.el7rhgs.x86_64

How reproducible:
1/1

Steps to Reproduce:
===================
1) Create a distributed-replicated volume and start it.
2) FUSE mount it on multiple clients.
3) From few clients execute,

"while true; do uuid="`uuidgen`"; echo "some data" > "test$uuid"; mv "test$uuid" "test" -f; done"
From other clients, keep sending lookups.
4) Execute the script in step-3 for 10-15 mins.
5) Now remove few bricks and wait till the remove-brick completes.
6) Upon successful remove-brick start, perform remove-brick commit.

Actual results:
===============
Rename for few files failed with "Transport endpoint is not connected" immediate after remove-brick commit.

Expected results:
=================
Rename should not fail with "Transport endpoint is not connected" immediate after remove-brick commit.

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