7090 zfs should improve allocation order and throttle allocations Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Alex Reece <alex@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Sebastien Roy <sebastien.roy@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

5045 use atomic_{inc,dec}_* instead of atomic_add_* Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Approved by: Robert Mustacchi <rm@joyent.com>

4370 avoid transmitting holes during zfs send 4371 DMU code clean up Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Approved by: Garrett D'Amore <garrett@damore.org>

4045 zfs write throttle & i/o scheduler performance work Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Ned Bass <bass6@llnl.gov> Reviewed by: Brendan Gregg <brendan.gregg@joyent.com> Approved by: Robert Mustacchi <rm@joyent.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>

175 zfs vdev cache consumes excessive memory Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Eric Schrock <eric.schrock@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

PSARC/2009/396 Tickless Kernel Architecture / lbolt decoupling 6860030 tickless clock requires a clock() decoupled lbolt / lbolt64 Portions contributed by Chad Mynhier <cmynhier@gmail.com>

6798384 It can take a village to raise a zio

6333409 traversal code should be able to issue multiple reads in parallel 6418042 want traversal in depth-first pre-order for quicker 'zfs send' 6757112 zvol dump code is extra complicated 6725668 want ::zfs_blkstats to show block type stats after scrub 6725675 dmu traverse code has extraneous features 6725680 P2CROSS is confusing to use 6725698 zvol dump device should always be 128k 6729696 sync causes scrub or resilver to pause for up to 30s 6730101 online recv can cause scrub to miss some blocks 6752226 assertion failed in dbuf_verify: db->db.db_size >= dn->dn_datablksz 6577985 panic when zfs send a snapshot with i/o errors 6755042 zdb -Lbc counts block several times in case of checksum errors

6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling 6667208 zfs/zpool commands on failed pool should not hang 6430480 grabbing config lock as writer during I/O load can take excessively long

6649150 add kstats to the vdev cache

6354519 stack overflow in zfs due to zio pipeline 6533726 single-threaded checksum & parity calculations limit write bandwidth 6547248 ztest detects a future leak when there is none 6604198 zfs only using single cpu for compression (part II) --HG-- rename : usr/src/uts/common/fs/zfs/rprwlock.c => deleted_files/usr/src/uts/common/fs/zfs/rprwlock.c rename : usr/src/uts/common/fs/zfs/sys/rprwlock.h => deleted_files/usr/src/uts/common/fs/zfs/sys/rprwlock.h

6437054 vdev_cache wises up: increase DB performance by 16%

PSARC 2007/197 ZFS hotplug PSARC 2007/283 FMA for ZFS Phase 2 6401126 ZFS DE should verify that diagnosis is still valid before solving cases 6500545 ZFS does not handle changes in devids 6508521 zpool online should warn when it is being used incorrectly 6509807 ZFS checksum ereports are not being posted 6514712 zfs_nicenum() doesn't work with perfectly-sized buffers 6520510 media state doesn't get updated properly on device removal 6520513 ZFS should have better support for device removal 6520514 vdev state should be controlled through a single ioctl() 6520519 ZFS should diagnose faulty devices 6520947 ZFS DE should close cases which no longer apply 6521393 ZFS case timeout should be FMD_TYPE_TIME 6521624 fmd_hash_walk() can dump core when given a bad address 6521946 ZFS DE needlessly subscribes to faults 6522085 ZFS dictionary files contain spelling errors 6523185 vdev_reopen() doesn't correctly propagate state 6523555 'zpool online' should be less chatty unless something goes wrong 6527379 zpool(1M) should not try to open faulted devices 6527700 ZFS should post a sysevent when topology changes 6528194 lofi should support force unmap and DKIO_DEV_GONE 6528732 ZFS should store physical device path in addition to /dev path 6532635 ZFS keeps devices open unnecessarily 6532979 bad argument to ZFS_IOC_VDEV_ATTACH can panic system 6567983 deadlock with spa_scrub_thread() and spa_namespace_lock

6472021 vdev knobs can not be turned

PSARC 2006/077 zpool clear PSARC 2006/139 FMA for ZFS 6284889 arc should replace the znode cache 6333006 DMU & DSL should not panic upon I/O error 6333092 concurrent reads to a file not scaling with number of readers 6338081 ZFS/FMA phase 1 6338386 need persistent error log 6341326 i/o error causes arc buf hash table corruption 6341639 zfs backup/restore should compute/verify checksum of backup stream 6348002 out of space due to changing properties 6354724 inaccurate error message from zfs restore 6354872 dmu_sync() blows predictive accounting 6355416 zpool scrubbing consumes all memory, system hung 6363995 df should only load libzfs when it encounters a ZFS filesystem 6366320 zfs backup/restore doesn't like signals 6368892 mount -m support needed for legacy mounts 6368902 boot archive fstat support needed for ZFS Mountroot 6369424 BFU complains when bfu'ing a ZFS root filesystem 6374062 mountroot support needed for ZFS 6376356 dirtying dbuf obj=43 lvl=0 blkid=0 but not tx_held 6378391 unused members of dmu_objset_stats_t 6378392 clean up zfs_cmd_t structure 6378685 buf_init should allocate its hash table more carefully 6378976 ziltest should be a first class citizen 6381086 zdb segfaults if there is a spa deferred-free bplist 6381203 deadlock due to i/o while assigning (tc_lock held) 6381209 freed space is not immediately available 6381344 'zpool clear' 6381345 FAULTED devices should really be UNAVAIL 6381346 import should mark devices as persistently unavailable 6383272 recursive mutex_enter() during log replay with zfs root 6386326 origin property is not displayed 6386354 libzfs does too much in its _init section, calls exit(1) 6386624 zpool should not complain about non-existent devices from libdiskmgt 6386910 spa needs to be i/o error hardened 6387735 need a mechanism to inject faults into ZFS 6387736 internal ZFS utilities should be placed in an ON-private package 6389928 libzfs should ship a lint library 6390609 malformed vdev config panics on zpool_create() 6390677 version number checking makes upgrades challenging 6390713 ztest hangs in zil_suspend() 6391873 metadata compression should be turned back on 6392113 ztest sometimes reports leaked blocks because ZIL isn't resilvered 6393004 minor memory leak in unique_insert()

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