Bad logic introduced as part of the fsdriver changes could cause
getdents to terminate early in these libraries.
Issue reported by r0ller.
Change-Id: If450d5ea85e830584878d8a4ec0f00519355a353
This obviates the need for several file system implementations to
remember the device on which they are mounted.
Change-Id: Ida8325cf4bcf072e61761cfee34e3f7ed2d750b9