mount: Add option to backup fstab file (#33734)
mount: Add option to backup fstab file (#33734)

This fix adds option to create a backup of fstab file
before making any changes to it.

Signed-off-by: Abhijeet Kasurde <6334fd0c217b1f2a15926284df229acde5b4fc3a@redhat.com>
thaim/ansible,thaim/ansible