Harshavardhana b2cbade477 Support creating empty directories. (#5049)
Every so often we get requirements for creating
directories/prefixes and we end up rejecting
such requirements. This PR implements this and
allows empty directories without any new file
addition to backend.

Existing lower APIs themselves are leveraged to provide
this behavior. Only FS backend supports this for
the time being as desired.
2017-10-16 17:20:54 -07:00
..
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