quota: quota.conf backward compatibility fix

In release-3.7 the format of quota.conf is changed.
There is a backward compatibility issues during upgrade
1) There can be an issue when peer sync between node-3.6 and node-3.7
2) If the user sets/removes limit, there is will different format of
   file in node-3.6 and node-3.7

This patch fixes the issue:
1) restrict the user to execute command quota enable, limit-usage, remove
2) write quota.conf in older format if op-version is less than 3.6

Change-Id: Ib76f5a0a85394642159607a105cacda743e7d26b
BUG: 1223739
Signed-off-by: vmallika <vmallika@redhat.com>
Reviewed-on: http://review.gluster.org/10889
Tested-by: NetBSD Build System
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>

0 files changed, 0 insertions, 0 deletions