mount module doesn't work correctly with mount option "bind" about ansible-modules-core HOT 5 CLOSED

- hosts: localhost
  sudo: True
  gather_facts: false
  tasks:
    - mount: name=/mnt/test src=/tmp fstype=none opts=bind,rw state=mounted

# cat /etc/*release
PRETTY_NAME="Debian GNU/Linux 7 (wheezy)"
NAME="Debian GNU/Linux"
VERSION_ID="7"
VERSION="7 (wheezy)"
ID=debian
ANSI_COLOR="1;31"
HOME_URL="http://www.debian.org/"
SUPPORT_URL="http://www.debian.org/support/"
BUG_REPORT_URL="http://bugs.debian.org/"


[root@phy01 ~]# ansible -i hosts all -m mount -a "name=/mnt/test src=/tmp opts=rw,bind state=mounted fstype=none"                                                                             
ns1.example.com | success >> {
    "changed": true,
    "fstab": "/etc/fstab",
    "fstype": "none",
    "name": "/mnt/test",
    "opts": "rw,bind",
    "src": "/tmp"
}

[root@phy01 ~]# ansible -i hosts all -m mount -a "name=/mnt/test src=/tmp opts=rw,bind state=mounted fstype=none"
ns1.example.com | success >> {
    "changed": true,
    "fstab": "/etc/fstab",
    "fstype": "none",
    "name": "/mnt/test",
    "opts": "rw,bind",
    "src": "/tmp"
}

[root@phy01 ~]# ansible -i hosts all -m mount -a "name=/mnt/test src=/tmp opts=rw,bind state=mounted fstype=none"
ns1.example.com | success >> {
    "changed": true,
    "fstab": "/etc/fstab",
    "fstype": "none",
    "name": "/mnt/test",
    "opts": "rw,bind",
    "src": "/tmp"
}

[root@phy01 ~]# ansible -i hosts all -m mount -a "name=/mnt/test src=/tmp opts=rw,bind state=mounted fstype=none"
ns1.example.com | success >> {
    "changed": true,
    "fstab": "/etc/fstab",
    "fstype": "none",
    "name": "/mnt/test",
    "opts": "rw,bind",
    "src": "/tmp"
}



ns1:~# mount -l
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,relatime,size=10240k,nr_inodes=14299,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=12460k,mode=755)
/dev/disk/by-uuid/641c7238-38ef-4a20-8775-96d66411bdb7 on / type ext3 (rw,relatime,errors=remount-ro,barrier=1,data=ordered)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=73440k)
rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
/dev/disk/by-uuid/641c7238-38ef-4a20-8775-96d66411bdb7 on /mnt/test type ext3 (rw,relatime,errors=remount-ro,barrier=1,data=ordered)
/dev/disk/by-uuid/641c7238-38ef-4a20-8775-96d66411bdb7 on /mnt/test type ext3 (rw,relatime,errors=remount-ro,barrier=1,data=ordered)
/dev/disk/by-uuid/641c7238-38ef-4a20-8775-96d66411bdb7 on /mnt/test type ext3 (rw,relatime,errors=remount-ro,barrier=1,data=ordered)
/dev/disk/by-uuid/641c7238-38ef-4a20-8775-96d66411bdb7 on /mnt/test type ext3 (rw,relatime,errors=remount-ro,barrier=1,data=ordered)