cddl/contrib/opensolaris/lib/libuutil/common/uu_avl.c
	Fix a memory leak in uu_avl_pool_create: pthread_mutex_init without
	a corresponding pthread_mutex_destroy.  It shows up, among other
	places, when doing "zfs list".

MFC after:	3 weeks
Sponsored by:	Spectra Logic Corporation

(cherry picked from commit 2c64d4aa1f66230814029bf17de6b4536a64ece8)
MFV r262983:

4638 Panic in ZFS via rfs3_setattr()/rfs3_write(): dirtying snapshot!

illumos/illumos-gate@2144b121c08e0eb676cc6ca4662ebbc9f9c22fe3

(cherry picked from commit b01107b7508e11bb504e828c023ccb1d123689ef)
Remove unused option -r from zpool.

Submitted by:	Richard Yao <ryao gentoo org>
MFC after:	2 weeks

(cherry picked from commit f68728a4757ada786977950ece32ab95c485d0f7)
MFV 263436-263438:

  3947 zpool(1M) references nonexistent zfs-features(5)
  4540 zpool(1M) man page doesn't describe "readonly" property
  3948 zfs sync=default is not accepted
  4611 zfs(1M) still mentions 'send -r' in synopsis
  4415 zpool(1M) man page missing "import -m" description
  4570 Document dedupditto pool property
  4572 Dedup-related documentation additions for zpool and zdb.
  1371 Add -D option description to zpool(1M) manpage
  4571 Add documentation for -T and interval to "zpool list"

MFC after:	2 weeks

(cherry picked from commit 3779db6b3fdd08fc12c9fe47e67a77e8c31e65b7)
MFV r263887:

3993 zpool(1M) and zfs(1M) should support -p for "list" and "get"
4700 "zpool get" doesn't support -H or -o options

MFC after:	2 weeks

(cherry picked from commit b26390b635849e47baeb2aef6aecb2cc147e02a7)