3517 importing pool with autoreplace=on and "hole" vdevs crashes syseventd
Reviewed by: Albert Lee <trisk@nexenta.com>
Reviewed by: Jeffry Molanus <jeffry.molanus@nexenta.com>
Reviewed by: George Wilson <gwilson@zfsmail.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>
3598 want to dtrace when errors are generated in zfs
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>
3602 mdb should tab complete global symbols
Reviewed by: Matt Amdur <matt.amdur@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Carlos Cardenas <cardenas12@gmail.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Dan McDonald <danmcd@nexenta.com>
3604 zdb should print bpobjs more verbosely (fix zdb hang)
3606 zpool status -x shouldn't warn about old on-disk format
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Richard Elling <richard.elling@dey-sys.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Dan McDonald <danmcd@nexenta.com>
Merge /root/git/illumos-gate

* /root/git/illumos-gate:

commit b3a6f80422cf5830e402a39597c46faacc3df256
    3606 zpool status -x shouldn't warn about old on-disk format
commit 77061867737e831946717f7f29d50c4b452e44e7
    3604 zdb should print bpobjs more verbosely (fix zdb hang)
commit 72a1114bccf02392ab254b9615412236f3b63256
    3602 mdb should tab complete global symbols
commit be6fd75a69ae679453d9cda5bff3326111e6d1ca
    3598 want to dtrace when errors are generated in zfs
commit efb4a871d8fd510a833bdca610528dde5ed69e42
    3517 importing pool with autoreplace=on and "hole" vdevs crashes syseventd

Conflicts:
	usr/src/cmd/mdb/common/mdb/mdb_tab.c
	usr/src/uts/common/fs/zfs/arc.c
	usr/src/uts/common/fs/zfs/dbuf.c
	usr/src/uts/common/fs/zfs/dmu.c
	usr/src/uts/common/fs/zfs/dsl_dir.c
	usr/src/uts/common/fs/zfs/vdev_disk.c
	usr/src/uts/common/fs/zfs/vdev_raidz.c
	usr/src/uts/common/fs/zfs/zfs_ioctl.c
	usr/src/uts/common/fs/zfs/zfs_vfsops.c
	usr/src/uts/common/fs/zfs/zio_checksum.c
	usr/src/uts/common/fs/zfs/zvol.c