Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
MFC r253996,253997: opensolaris code: translate INVARIANTS to DEBUG and ZFS_DEBUGPlease note that support for compiling ZFS into a kernel is not in thisbranch as of now.
Copy head to stable/9 as part of 9.0-RELEASE release cycle.Approved by: re (implicit)
Add the DTrace kernel module makefiles.