CVS log for src/external/cddl/osnet/sys/kern/ddi.c

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Default branch: MAIN

osnet: Delete dead #if 0 code using hardclock_ticks.

Mostly merge changes from HEAD upto 20200411

Drop unused retval pointer from do_sys_mknod{,at}()

No functional change intended.

Sync with HEAD

Update ddi environment:
- Put device major numbers into "dev_info_t".
- Fix an off-by-one in zvol_create_minor().
- When creating a node handle existing nodes
  and add owner read/write permission.
- When removing nodes remove now empty directories.

Sync with HEAD

merge a new version of the CDDL dtrace and ZFS code.
this changes the upstream vendor from OpenSolaris to FreeBSD,
and this version is based on FreeBSD svn r315983.

in addition to the 10 years of improvements from upstream,
this version also has these NetBSD-specific enhancements:
 - dtrace FBT probes can now be placed in kernel modules.
 - ZFS now supports mmap().

include <sys/lwp.h> for curlwp.  From ozaki-r.

Include sys/debug.h to get ASSERT defined.

Add NetBSD build glue to build new zfs version 22 sources.

Fix number of arguments passed to do_sys_mkdir.

Add NetBSD Solaris compat code and reachover Makefiles. Most of code written
by Andrew Doran some of it by me.

This is still work in progress code. There are known issues. Zfs can panic
your system still. I will commit integration bits and needed kernel bits
later when we fix most obvious bugs. This code need some support from our
kernel which I will commit in a separate patch and therefore itnot work yet.

Issues:

1) Support for openat/fstatat syscalls.
2) getnewvnode locking against myself panic when reclaiming vnodes
3) Replace solaris taskq with our workqueue which doesn't need to alloc
   anything during work.
4) Investigate problems with NO_WAIT allocations.

Oked by core@ and ad@.