7500 Simplify dbuf_free_range by removing dn_unlisted_l0_blkid Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Approved by: Gordon Ross <gordon.w.ross@gmail.com>

7004 dmu_tx_hold_zap() does dnode_hold() 7x on same object Reviewed by: Steve Gonczi <steve.gonczi@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Ned Bass <bass6@llnl.gov> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Approved by: Gordon Ross <gordon.w.ross@gmail.com>

7104 increase indirect block size Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Robert Mustacchi <rm@joyent.com>

6322 ZFS indirect block predictive prefetch Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

5630 stale bonus buffer in recycled dnode_t leads to data corruption Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Will Andrews <will@freebsd.org> Approved by: Robert Mustacchi <rm@joyent.com>

5056 ZFS deadlock on db_mtx and dn_holds Reviewed by: Will Andrews <willa@spectralogic.com> Reviewed by: Matt Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com>

5141 zfs minimum indirect block size is 4K Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Richard Elling <richard.elling@gmail.com> Approved by: Dan McDonald <danmcd@omniti.com>

5095 panic when adding a duplicate dbuf to dn_dbufs Reviewed by: Adam Leventhal <adam.leventhal@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Mattew Ahrens <mahrens@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Josef Sipek <jeffpc@josefsipek.net> Approved by: Robert Mustacchi <rm@joyent.com>

5038 Remove "old-style" flexible array usage in ZFS. Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Approved by: Richard Lowe <richlowe@richlowe.net>

4873 zvol unmap calls can take a very long time for larger datasets Reviewed by: George Wilson <george@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com> Reviewed by: Basil Crow <basil.crow@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Robert Mustacchi <rm@joyent.com>

4374 dn_free_ranges should use range_tree_t Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Max Grossman <max.grossman@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com Reviewed by: Garrett D'Amore <garrett@damore.org> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Dan McDonald <danmcd@omniti.com>

4171 clean up spa_feature_*() interfaces 4172 implement extensible_dataset feature for use by other zpool features Reviewed by: Max Grossman <max.grossman@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com> Approved by: Garrett D'Amore <garrett@damore.org>

4047 panic from dbuf_free_range() from dmu_free_object() while doing zfs receive Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Dan McDonald <danmcd@nexenta.com>

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>

3122 zfs destroy filesystem should prefetch blocks Reviewed by: Christopher Siden <chris.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

6710343 dnode cache should register a dnode_move() callback to limit fragmentation 6583724 dnode_create should not call kmem_cache_constructor directly 6374545 disk write cache flush code overloads buf_t.b_list pointer

6952522 elpaso panics: assertion failed: refcount_is_zero(&dn->dn_holds), file: ../../common/fs/zfs/dnode.c

6716117 ZFS needs native system attribute infrastructure 6516171 zpl symlinks should have their own object type

6429996 zvols don't reserve enough space for requisite meta data

6860996 %temporary clones are not automatically destroyed on error 6863088 zfs panic in dnode_hold_impl from readdir()

PSARC/2009/204 ZFS user/group quotas & space accounting 6501037 want user/group quotas on ZFS 6830813 zfs list -t all fails assertion 6827260 assertion failed in arc_read(): hdr == pbuf->b_hdr 6815592 panic: No such hold X on refcount Y from zfs_znode_move 6759986 zfs list shows temporary %clone when doing online zfs recv

6793373 assertion failed in dnode_reallocate: dn_nblkptr >= old_nblkptr 6754448 panic message: dirtying dbuf obj=6bf0 lvl=1 blkid=1 but not tx_held

6579975 dnode_new_blkid should look before it locks

6573681 deleting a very large file can be slow 6706950 ((&dnp->dn_blkptr[0])->blk_birth == 0) || list_head(list) != 0L || dn->dn_next_blksz[txgoff]

6569719 panic dangling dbufs (dn=ffffffff28814d30, dbuf=ffffffff20756008) 6573361 panic turnstile_block, unowned mutex 6584864 $MOS is not properly bounded by pool size 6585265 need bonus resize interface 6587723 BAD TRAP: type=e (#pf Page fault) occurred in module "zfs" due to a NULL pointer dereference 6589799 dangling dbuf after zinject 6594025 panic: dangling dbufs during shutdown

6393351 unique_* could be improved 6553348 assertion failed: ab->b_flags & (1 << 3) at line 2572 of arc.c 6582408 ::arc should accept -k/-m/-g to print in kilo/mega/giga-bytes 6582438 should have generic reader-priority rwlock for spa_config locks 6582441 zfs_cmd_t should only be used to pass arguments to/from userland 6582456 property code is overdue for some spring cleaning 6588564 zpl unmount lock should use regular rwlock

6512391 DMU should leverage ZIO dependencies to achieve greater parallelism

6424466 "panic: data after EOF" when unmounting abused pool 6484044 destroying a clone takes O(data)

6460059 zfs destroy <snapshot> leaves behind kruft 6463788 'zfs recv -d' fails if some ancestors already exist 6464897 assertion failed: "BP_GET_COMPRESS(bp) == compress" zio.c, line:897 6472843 panic when write to zvol snapshot 6475506 panic in dmu_recvbackup due to NULL pointer dereference 6475942 need more assertions in dnode_destroy() 6477102 recvbackup ioctl does not advance file offset 6477103 read-only properties should be passed as nvlist 6477900 want more /etc/system tunables for ZFS performance analysis 6479497 ::abuf_find is broken

6430121 3-way deadlock involving tc_lock within zfs

PSARC 2006/223 ZFS Hot Spares PSARC 2006/303 ZFS Clone Promotion 6276916 support for "clone swap" 6288488 du reports misleading size on RAID-Z 6393490 libzfs should be a real library 6397148 fbufs debug code should be removed from buf_hash_insert() 6405966 Hot Spare support in ZFS 6409302 passing a non-root vdev via zpool_create() panics system 6415739 assertion failed: !(zio->io_flags & 0x00040) 6416759 ::dbufs does not find bonus buffers anymore 6417978 double parity RAID-Z a.k.a. RAID6 6424554 full block re-writes need not read data in 6425111 detaching an offline device can result in import confusion

6393443 Remove remaining txg_wait_synced() from zfs unmount path.

6395371 ASSERT in dmu_tx_count_free: blkid + i < dn->dn_phys->dn_nblkptr 6396359 infinite loop due to dangling dbufs (hang on unmount)

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()

6347448 non ZFS_DEBUG kernels shouldn't call empty verify functions

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