5164 space_map_max_blksz causes panic, does not work
5165 zdb fails assertion when run on pool with recently-enabled spacemap_histogram feature
Reviewed by: Christopher Siden <christopher.siden@delph

5164 space_map_max_blksz causes panic, does not work
5165 zdb fails assertion when run on pool with recently-enabled spacemap_histogram feature
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>

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4976 zfs should only avoid writing to a failing non-redundant top-level vdev
4977 mdb error in ::spa_space from space_cb() if a metaslab's ms_sm is NULL
4978 ztest fails in get_metaslab_refcount()
49

4976 zfs should only avoid writing to a failing non-redundant top-level vdev
4977 mdb error in ::spa_space from space_cb() if a metaslab's ms_sm is NULL
4978 ztest fails in get_metaslab_refcount()
4979 extend free space histogram to device and pool
4980 metaslabs should have a fragmentation metric
4981 remove fragmented ops vector from block allocator
4982 space_map object should proactively upgrade when feature is enabled
4983 need to collect metaslab information via mdb
4984 device selection should use fragmentation metric
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Adam Leventhal <adam.leventhal@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

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4101 metaslab_debug should allow for fine-grained control
4102 space_maps should store more information about themselves
4103 space map object blocksize should be increased
4104 ::spa_space no longer

4101 metaslab_debug should allow for fine-grained control
4102 space_maps should store more information about themselves
4103 space map object blocksize should be increased
4104 ::spa_space no longer works
4105 removing a mirrored log device results in a leaked object
4106 asynchronously load metaslab
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Sebastien Roy <seb@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

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3742 zfs comments need cleaner, more consistent style
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Eric Schrock <eric.schrock@

3742 zfs comments need cleaner, more consistent style
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>

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3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Review

3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

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3552 condensing one space map burns 3 seconds of CPU in spa_sync() thread
3564 spa_sync() spends 5-10% of its time in metaslab_sync() (when not condensing)
3566 recursive mutex panic in specfs
Review

3552 condensing one space map burns 3 seconds of CPU in spa_sync() thread
3564 spa_sync() spends 5-10% of its time in metaslab_sync() (when not condensing)
3566 recursive mutex panic in specfs
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

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3329 spa_sync() spends 10-20% of its time in spa_free_sync_cb()
3330 space_seg_t should have its own kmem_cache
3331 deferred frees should happen after sync_pass 1
3335 make SYNC_PASS_* constants tun

3329 spa_sync() spends 10-20% of its time in spa_free_sync_cb()
3330 space_seg_t should have its own kmem_cache
3331 deferred frees should happen after sync_pass 1
3335 make SYNC_PASS_* constants tunable
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com>
Reviewed by: Christopher Siden <chris.siden@delphix.com>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Approved by: Eric Schrock <eric.schrock@delphix.com>

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6826241 Sync write IOPS drops dramatically during TXG sync
6869229 zfs should switch to shiny new metaslabs more frequently

6596237 Stop looking and start ganging

6328632 zpool offline is a bit too conservative
6739487 ASSERT: txg <= spa_final_txg due to scrub/export race
6767129 ASSERT: cvd->vdev_isspare, in spa_vdev_detach()
6747698 checksum failures after o

6328632 zpool offline is a bit too conservative
6739487 ASSERT: txg <= spa_final_txg due to scrub/export race
6767129 ASSERT: cvd->vdev_isspare, in spa_vdev_detach()
6747698 checksum failures after offline -t / export / import / scrub
6745863 ZFS writes to disk after it has been offlined
6722540 50% slowdown on scrub/resilver with certain vdev configurations
6759999 resilver logic rewrites ditto blocks on both source and destination
6758107 I/O should never suspend during spa_load()
6776548 codereview(1) runs off the page when faced with multi-line comments
6761406 AMD errata 91 workaround doesn't work on 64-bit systems

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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 betwe

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