11770 additional mmp fixes
Portions contributed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Portions contributed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Andreas Dilger <

11770 additional mmp fixes
Portions contributed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Portions contributed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Andreas Dilger <andreas.dilger@whamcloud.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Tony Hutter <hutter2@llnl.gov>
Reviewed by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed by: George Melikov <mail@gmelikov.ru>
Reviewed by: C Fraire <cfraire@me.com>
Reviewed by: Andy Fiddaman <andy@omniosce.org>
Approved by: Garrett D'Amore <gdamore@racktopsystems.com>

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10499 Multi-modifier protection (MMP)
Portions contributed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Portions contributed by: Tim Chase <tim@chase2k.com>
Portions contributed by: sanje

10499 Multi-modifier protection (MMP)
Portions contributed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Portions contributed by: Tim Chase <tim@chase2k.com>
Portions contributed by: sanjeevbagewadi <sanjeev.bagewadi@gmail.com>
Portions contributed by: John L. Hammond <john.hammond@intel.com>
Portions contributed by: Giuseppe Di Natale <dinatale2@llnl.gov>
Portions contributed by: Prakash Surya <surya1@llnl.gov>
Reviewed by: George Melikov <mail@gmelikov.ru>
Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed by: Kash Pande <kash@tripleback.net>
Reviewed by: loli10K <ezomori.nozomu@gmail.com>
Reviewed by: George Melikov <mail@gmelikov.ru>
Reviewed by: Tony Hutter <hutter2@llnl.gov>
Reviewed by: Gu Zheng <guzheng2331314@163.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Ned Bass <bass6@llnl.gov>
Reviewed by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Kody Kantor <kody.kantor@joyent.com>
Approved by: Dan McDonald <danmcd@joyent.com>

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9166 zfs storage pool checkpoint
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>

9166 zfs storage pool checkpoint
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

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8491 uberblock on-disk padding to reserve space for smoothly merging zpool checkpoint & MMP in ZFS
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1

8491 uberblock on-disk padding to reserve space for smoothly merging zpool checkpoint & MMP in ZFS
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Olaf Faaland <faaland1@llnl.gov>
Approved by: Gordon Ross <gwr@nexenta.com>

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6675946 'zpool status' should show the progress of resilvering for individual disk.
6683750 scrub -s have to wait until resilver completed?
6841252 Resilvering not restartable - causing an ex

6675946 'zpool status' should show the progress of resilvering for individual disk.
6683750 scrub -s have to wait until resilver completed?
6841252 Resilvering not restartable - causing an excess reboot delay
6855073 spa scrub stats (eg %done) are reset on reboot
6891824 7410 NAS head "continually resilvering" following HDD replacement
6899970 scrub/resilver percent complete reporting in zpool status can be overly optimistic
6940889 add interval (count) args to zpool list
6944623 dbuf_read_done() locking performance improvement
6946760 mutex problem in bplist_enqueue()
6391915 RFE: provide interval arg to zpool status to monitor resilvering
6946512 want zfs_send() to pass back debug info
6943992 'zpool scrub' should not restart the existing scrub silently
6878281 zpool should store the time of last scrub/resilver and other zpool status info in pool properties.
6935158 Assertion failed: used <= spa_get_dspace(dd->dd_pool->dp_spa)
6944388 dsl_dataset_snapshot_reserve_space() causes dp_write_limit=max

--HG--
rename : usr/src/uts/common/fs/zfs/dsl_scrub.c => usr/src/uts/common/fs/zfs/dsl_scan.c

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PSARC 2009/479 zpool recovery support
6667683 need a way to rollback to an uberblock from a previous txg
6885998 bad ASSERT() in traverse_zil_block()

6761100 want zdb option to select older uberblocks

PSARC/2007/328 zfs upgrade
6552536 'zpool status -v' doesn't work with new (type-bearing) directory entries
6559635 can not import pool whose front labels are gone
6572636 need "zfs upgra

PSARC/2007/328 zfs upgrade
6552536 'zpool status -v' doesn't work with new (type-bearing) directory entries
6559635 can not import pool whose front labels are gone
6572636 need "zfs upgrade" to change ZPL version number
6572637 store object type in directory entries.
6572648 ZPL's delete queue should not be processed if the filesystem is mounted read-only
6572650 ZFS_VERSION should be SPA_VERSION for readability

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PSARC 2006/206 zpool upgrade
6399930 want 'zpool upgrade' to control change of version number
6400742 'zpool destroy' not clean inuse tag that have to need '-f' to use them again

6280668 pluggable block allocation policy
6399301 initial read of space maps is super slow
6407365 large-sector disk support in ZFS
6407366 ADVANCE_NOLOCK gathers MOS
6407367 three-wa

6280668 pluggable block allocation policy
6399301 initial read of space maps is super slow
6407365 large-sector disk support in ZFS
6407366 ADVANCE_NOLOCK gathers MOS
6407367 three-way deadlock between db_mtx, dbuf_hash[], and ms_lock

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PSARC 2002/240 ZFS
6338653 Integrate ZFS
PSARC 2004/652 - DKIOCFLUSH
5096886 Write caching disks need mechanism to flush cache to physical media