Confusing error message from volume.create when datastore is not writ… (#718)
Confusing error message from volume.create when datastore is not writ… (#718)

* Confusing error message from volume.create when datastore is not writable - Addressed Mark's comments

* Addressed review comments from Mark and Prashanth - Use OS errcode function

* Removed OSFS error code global variables

* Fix to make sure dockvols is created before tenant directory is created

* Added specific error message during tenane creation failure

pshahzeb/vsphere-storage-for-docker,shuklanirdesh82/docker-volume-vsphere,venilnoronha/docker-volume-vsphere,shuklanirdesh82/docker-volume-vsphere,govint/docker-volume-vsphere,pshahzeb/vsphere-storage-for-docker,shuklanirdesh82/docker-volume-vsphere,shivanshu21/docker-volume-vsphere,pshahzeb/vsphere-storage-for-docker,ashahi1/docker-volume-vsphere,govint/docker-volume-vsphere,luomiao/docker-volume-vsphere,lipingxue/docker-volume-vsphere,pshahzeb/vsphere-storage-for-docker,govint/docker-volume-vsphere,lipingxue/docker-volume-vsphere,ashahi1/docker-volume-vsphere,shuklanirdesh82/docker-volume-vsphere,lipingxue/docker-volume-vsphere,venilnoronha/docker-volume-vsphere,ashahi1/docker-volume-vsphere,shivanshu21/docker-volume-vsphere,venilnoronha/docker-volume-vsphere,brunotm/docker-volume-vsphere,govint/docker-volume-vsphere,shivanshu21/docker-volume-vsphere,lipingxue/docker-volume-vsphere,brunotm/docker-volume-vsphere,shuklanirdesh82/docker-volume-vsphere,pshahzeb/vsphere-storage-for-docker,luomiao/docker-volume-vsphere,ashahi1/docker-volume-vsphere,venilnoronha/docker-volume-vsphere,brunotm/docker-volume-vsphere,luomiao/docker-volume-vsphere,venilnoronha/docker-volume-vsphere,luomiao/docker-volume-vsphere,ashahi1/docker-volume-vsphere,shivanshu21/docker-volume-vsphere,brunotm/docker-volume-vsphere,govint/docker-volume-vsphere,shivanshu21/docker-volume-vsphere,shivanshu21/docker-volume-vsphere,venilnoronha/docker-volume-vsphere,govint/docker-volume-vsphere,luomiao/docker-volume-vsphere,brunotm/docker-volume-vsphere,ashahi1/docker-volume-vsphere,pshahzeb/vsphere-storage-for-docker,shuklanirdesh82/docker-volume-vsphere,lipingxue/docker-volume-vsphere,brunotm/docker-volume-vsphere,luomiao/docker-volume-vsphere,lipingxue/docker-volume-vsphere