Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
The NetBSD Foundation has granted permission to remove clause 3 and 4 fromtheir software.Obtained from: NetBSD
MFp4: Add regression tests for tmpfs.Obtained from: NetBSD via p4Submitted by: Howard Su