getgen: add get generation of dataset

The ioctl GG_IOC_GET_GENERATION is extended to deliver the generation
of a dataset instead of the one of a file. inode value 0 is used for
this case.

refs #3810

8857 zio_remove_child() panic due to already destroyed parent zio
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Andriy Gapon <avg@FreeBSD.org>
Reviewed by: Youzhong Yang <youzhong@gm

8857 zio_remove_child() panic due to already destroyed parent zio
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Andriy Gapon <avg@FreeBSD.org>
Reviewed by: Youzhong Yang <youzhong@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>

refs #3458

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9669 Extra zeros sent by sendfile()
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

6676 Race between unique_insert() and unique_remove() causes ZFS fsid change
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed

6676 Race between unique_insert() and unique_remove() causes ZFS fsid change
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Dan Vatca <dan.vatca@gmail.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>

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8377 Panic in bookmark deletion
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved b

8377 Panic in bookmark deletion
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>

refs #3366

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Add exported_lock guards for NFSv4 server

This adds protection for reading of secinfo data, exi_public, exi_visible,
and namespace tree operations.

refs #3377

zfs: change behavior near quota

See comment on early_edquot_threshold for explanation.

refs #3681

6514 AS_* lock macros simplification
Reviewed by: Piotr Jasiukajtis <estibi@me.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Albert Lee <trisk@omniti.com>
Approved by: Dan McDo

6514 AS_* lock macros simplification
Reviewed by: Piotr Jasiukajtis <estibi@me.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Albert Lee <trisk@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>

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9447 NFS unmount is slow

refs #3357

5886 want ability to provide additional objects at boot
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Gordon Ross <gordon.ross@nexenta.com>

refs #3532

8040 NFSv4 client: 3-way deadlock between nfs4_bio(), nfs4_do_delegreturn(), and nfs4_flush_pages()
Reviewed by: Arne Jansen <arne@die-jansens.de>

refs #3182

8270 dnlc_reverse_lookup() is unsafe at any speed
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed by: Yuri Pankov <yuri.pank

8270 dnlc_reverse_lookup() is unsafe at any speed
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

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8085 Handle RPC groups better
Reviewed by: "Joshua M. Clulow" <josh@sysmgr.org>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Approved by: Dan McD

8085 Handle RPC groups better
Reviewed by: "Joshua M. Clulow" <josh@sysmgr.org>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Approved by: Dan McDonald <danmcd@omniti.com>

refs #3393

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7912 nfs_rwlock readers are running wild waiting for a writer that cannot come
Reviewed by: Arne Jansen <arne@die-jansens.de>

refs #3327

7721 Poor nfs4_frlock() performance for blocking locks
Reviewed by: Arne Jansen <arne@die-jansens.de>

refs #3314

3629 NFSv4 client: assertion failed: vp->v_filocks == NULL, file: ../../common/fs/vnode.c, line: 2429
Reviewed by: Arne Jansen <arne@die-jansens.de>

refs #3315

7798 vfs_mountfs passes junk in flags to domount
Reviewed by: Alexander Pyhalov <alp@rsu.ru>
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by:

7798 vfs_mountfs passes junk in flags to domount
Reviewed by: Alexander Pyhalov <alp@rsu.ru>
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Juraj Lutter <juraj.lutter@erigones.com>
Reviewed by: Marcel Telka <marcel@telka.sk>
Approved by: Dan McDonald <danmcd@omniti.com>

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7671 fs_frlock() should remove installed callback
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Dan McDonald <danmcd@omniti.com>

refs #2784

7601 nfs_rwlock_t does not scale with cv_broadcast()
Reviewed by: Simon Klinkert <simon.klinkert@gmail.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Dan McDonald <danmcd@omniti.com>

re

7601 nfs_rwlock_t does not scale with cv_broadcast()
Reviewed by: Simon Klinkert <simon.klinkert@gmail.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Dan McDonald <danmcd@omniti.com>

refs #2784

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6314 buffer overflow in dsl_dataset_name
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.co

6314 buffer overflow in dsl_dataset_name
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>

Conflicts:

usr/src/cmd/mdb/common/modules/zfs/zfs.c
usr/src/cmd/oamuser/user/homedir.c
usr/src/cmd/zfs/zfs_main.c
usr/src/lib/libbe/common/be_create.c
usr/src/lib/libbe/common/be_utils.c
usr/src/lib/libbe/common/libbe_priv.h
usr/src/lib/libzfs/common/libzfs_changelist.c
usr/src/lib/libzfs/common/libzfs_dataset.c
usr/src/lib/libzfs/common/libzfs_diff.c
usr/src/lib/libzfs/common/libzfs_impl.h
usr/src/lib/libzfs/common/libzfs_sendrecv.c
usr/src/uts/common/fs/zfs/dsl_dataset.c
usr/src/uts/common/fs/zfs/spa.c
usr/src/uts/common/fs/zfs/spa_history.c
usr/src/uts/common/fs/zfs/sys/zfs_znode.h
usr/src/uts/common/fs/zfs/zfs_ctldir.c

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7386 zfs get does not work properly with bookmarks (resync with the upstream fix)
Reviewed by: Paul Dagnelie <pcd@delphix.com>

6911 nfs4: unexpected permission denied
Reviewed by: Simon Klinkert <simon.klinkert@gmail.com>

refs #3191

Revert "4369 implement zfs bookmarks"

This reverts commit 7cff5ff349c34af618cf47ac600fa4e778697095.

Conflicts:

usr/src/man/man1m/zfs.1m

refs #3195

7341 Pool halt due to checksum error after reboot

7386 zfs get does not work properly with bookmarks
Reviewed by: Simon Klinkert <simon.klinkert@gmail.com>

refs #3150