Description of problem:
Creation of directories failed in samba share when mounted using non-root user
for distribute disperse volume.

Version-Release number of selected component (if applicable):
samba-4.11.6-104.el7rhgs.x86_64
glusterfs-6.0-30.1.el7rhgs.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Create distribute-disperse volume
2. Do a cifs mount using the volume with non-root user
3. Try to create a directory in the share

Actual results:
create fails

Expected results:
create should succeed

Additional info:
error message:
mkdir: cannot create directory ‘/mnt/dist-cifs/vicky-fuse/test-non’: Permission denied

[2020-03-20 06:45:58.989471] E [MSGID: 122075] [ec-code.c:425:ec_code_space_create] 0-vicky-disperse-1: Unable to create a temporary file for the ec dynamic code [Permission denied]
[2020-03-20 06:45:58.990498] I [MSGID: 122068] [ec-code.c:1052:ec_code_detect] 0-vicky-disperse-0: Using 'sse' CPU extensions
[2020-03-20 06:45:58.990554] E [MSGID: 122075] [ec-code.c:425:ec_code_space_create] 0-vicky-disperse-0: Unable to create a temporary file for the ec dynamic code [Permission denied]


Note: This issue is not seen in other volume type.
This is not a regression.


Volume Name: vicky
Type: Distributed-Disperse
Volume ID: 01edb3a0-df04-435e-97b5-106c15ea0b63
Status: Started
Snapshot Count: 0
Number of Bricks: 2 x (2 + 1) = 6
Transport-type: tcp
Bricks:
Brick1: 10.70.43.181:/bricks/brick1/vicky
Brick2: 10.70.43.185:/bricks/brick1/vicky
Brick3: 10.70.43.189:/bricks/brick1/vicky
Brick4: 10.70.43.178:/bricks/brick2/vicky
Brick5: 10.70.43.181:/bricks/brick2/vicky
Brick6: 10.70.43.185:/bricks/brick2/vicky
Options Reconfigured:
user.cifs: enable
performance.parallel-readdir: on
performance.readdir-ahead: on
performance.nl-cache-timeout: 600
performance.nl-cache: on
network.inode-lru-limit: 200000
performance.md-cache-timeout: 600
performance.cache-invalidation: on
performance.stat-prefetch: on
performance.cache-samba-metadata: on
features.cache-invalidation-timeout: 600
features.cache-invalidation: on
transport.address-family: inet
storage.fips-mode-rchecksum: on
nfs.disable: on