History log of /opensolaris-onvv-gate/usr/src/uts/common/fs/zfs/dmu.c
Revision Date Author Comments
# 12684:397e44ebb8a9 24-Jun-2010 Tom Erickson <Tom.Erickson@Sun.COM>

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


# 12493:89ce40422cea 25-May-2010 Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM>

6952177 SA handling of on-disk corruption can be improved
6953896 zfs IOs got hung on a V210 running osol-139 durung iozone


# 12470:54258108784b 21-May-2010 Matthew Ahrens <Matthew.Ahrens@Sun.COM>

6948890 snapshot deletion can induce pathologically long spa_sync() times


# 12296:7cf402a7f374 03-May-2010 Lin Ling <Lin.Ling@Sun.COM>

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


# 12285:d736d62dcca2 29-Apr-2010 Jeff Bonwick <Jeff.Bonwick@Sun.COM>

6944833 Avoid prefetching dbufs in dmu_sync() path


# 12178:93ec1371f750 19-Apr-2010 Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>

6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0||count == 0, in dsl_dataset.c
6942276 remove symlink upgrade code
6943284 sa_attr_iter() can use uninitialized value of length_start
6942045 zoneadm -z <zone> halt hangs after manipulation of xattrs


# 12123:bb40732a982e 09-Apr-2010 Tim Haley <Tim.Haley@Sun.COM>

6572591 meta dnode lookup causes bucket lock contention in dbuf hash


# 11935:538c866aaac6 16-Mar-2010 Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>

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


# 11670:1d964fb5d948 17-Feb-2010 Neil Perrin <Neil.Perrin@Sun.COM>

6595532 ZIL is too talkative
6388458 zil need not inflate blocksize that much
6738159 slog can probably pack 2X more data per lwb
6897432 ziltest_noslog fails after dedup putback
6911570 Shouldn't start an ereport on speculative read failure
6920442 ZIL: Should use the stronger checksum fletcher4


# 11539:10d35fc3d7fd 18-Jan-2010 chunli zhang - Sun Microsystems - Irvine United States <Chunli.Zhang@Sun.COM>

6873106 Need a mechanism to share buffers between fs modules


# 10922:e2081f502306 01-Nov-2009 Jeff Bonwick <Jeff.Bonwick@Sun.COM>

PSARC 2009/571 ZFS Deduplication Properties
6677093 zfs should have dedup capability


# 10810:b6b161a6ae4a 16-Oct-2009 Neil Perrin <Neil.Perrin@Sun.COM>

6892298 buf->b_hdr->b_state != arc_anon, file: ../../common/fs/zfs/arc.c, line: 2849


# 10800:469478b180d9 15-Oct-2009 Neil Perrin <Neil.Perrin@Sun.COM>

6880764 fsync on zfs is broken if writes are greater than 32kb on a hard crash and no log attached
6793430 zdb -ivvvv assertion failure: bp->blk_cksum.zc_word[2] == dmu_objset_id(zilog->zl_os)


# 10474:0e96dd3b905a 09-Sep-2009 Rich Morris <Richard.Morris@Sun.COM>

6859997 zfs caching performance problem
6868951 Add kstats for ZFS data prefetch (zfetch)
6847118 hang in ZFS during rollback


# 10298:a0d52501437c 12-Aug-2009 Matthew Ahrens <Matthew.Ahrens@Sun.COM>

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


# 10242:c40d075fbca6 01-Aug-2009 Chris Kirby <chris.kirby@sun.com>

PSARC/2009/297 zfs snapshot holds
6803121 want user-settable refcounts on snapshots
6851824 zfs_ioc_rename() can be called with a NULL zc_name


# 10209:91f47f0e7728 30-Jul-2009 Mark J Musante <Mark.Musante@Sun.COM>

6830541 zfs_get_data trips on a verify
6696242 multiple zfs_fillpage() zfs: accessing past end of object panics
6785914 zfs fails to drop dn_struct_rwlock in recovery code path


# 9951:a4895b3dd543 23-Jun-2009 Lin Ling <Lin.Ling@Sun.COM>

6842815 SUNWzfsu package dependency on SUNWPython is not captured
6844900 zfs_ioc_userspace_upgrade leaks
6852821 memory leak in zfs_putapage


# 9950:78fc41aa9bc5 22-Jun-2009 Mark Maybee <Mark.Maybee@Sun.COM>

6792701 Removing large holey file does not free space


# 9512:64cafcbcc337 29-Apr-2009 Neil Perrin <Neil.Perrin@Sun.COM>

6801810 Commit of aligned streaming rewrites to ZIL device causes unwanted disk reads


# 9412:4aefd8704ce0 21-Apr-2009 Aleksandr Guzovskiy <Aleksandr.Guzovskiy@Sun.COM>

6717022 ZFS DMU needs zero-copy support


# 9396:f41cf682d0d3 18-Apr-2009 Matthew Ahrens <Matthew.Ahrens@Sun.COM>

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


# 7872:40a9434212f6 17-Oct-2008 Tim Haley <Tim.Haley@Sun.COM>

6646775 Speed up the dumpifying process for zvols


# 7754:b80e4842ad54 29-Sep-2008 Jeff Bonwick <Jeff.Bonwick@Sun.COM>

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


# 7468:23915842aa09 02-Sep-2008 Mark Maybee <Mark.Maybee@Sun.COM>

6687412 zfs stuck issuing small txg


# 7385:f69ff8507427 21-Aug-2008 Mark Maybee <Mark.Maybee@Sun.COM>

6727817 ZFS assertion failure (zero length arc_buf_alloc) during NFS I/O
6734875 assertion failed: list_head(&osi->os_meta_dnode->dn_dbufs) == 0L
6728399 [f]truncate(2) to non-zero offset broken on ZFS for files < max-blocksize
6730750 pool shows disk space in used but no related files/dirs
6737329 dmu_offset_next() does not find holes


# 7315:cdba25672122 12-Aug-2008 Jonathan W Adams <Jonathan.Adams@Sun.COM>

6735592 "zio" vmem arenas are confusing, not reported separately
6699438 zfs induces crosscall storm under heavy mapped sequential read workload


# 7237:f47d41541b14 31-Jul-2008 ek110237

PSARC 2008/393 zfs primarycache and secondarycache properties
6429855 Need a way to tell ZFS that caching is a lost cause
6652525 want to limit L2ARC to only cache particular datasets, and only metadata


# 7046:361307ae060d 07-Jul-2008 ahrens

6343667 scrub/resilver has to start over when a snapshot is taken
6343693 'zpool status' gives delayed start for 'zpool scrub'
6670746 scrub on degraded pool return the status of 'resilver completed'?
6675685 DTL entries are lost resulting in checksum errors
6706404 get_history_one() can dereference off end of hist_event_table[]
6715414 assertion failed: ds->ds_owner != tag in dsl_dataset_rele()
6716437 ztest gets SEGV in arc_released()
6722838 bfu does not update grub


# 6992:20c04e18c58c 01-Jul-2008 maybee

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]


# 5450:b25030891c44 09-Nov-2007 brendan

PSARC 2007/618 ZFS L2ARC
6536054 second tier ("external") ARC


# 5339:11972030d913 26-Oct-2007 marks

6622084 FUID table size has wrong byteswap function


# 5331:3047ad28a67b 25-Oct-2007 amw

PSARC/2007/218 caller_context_t in all VOPs
PSARC/2007/227 VFS Feature Registration and ACL on Create
PSARC/2007/244 ZFS Case-insensitive support
PSARC/2007/315 Extensible Attribute Interfaces
PSARC/2007/394 ls(1) new command line options '-/' and '-%': CIFS system attributes support
PSARC/2007/403 Modified Access Checks for CIFS
PSARC/2007/410 Add system attribute support to chmod(1)
PSARC/2007/432 CIFS system attributes support for cp(1), pack(1), unpack(1), compress(1) and uncompress(1)
PSARC/2007/444 Rescind SETTABLE Attribute
PSARC/2007/459 CIFS system attributes support for cpio(1), pax(1), tar(1)
PSARC/2007/546 Update utilities to match CIFS system attributes changes.
PSARC/2007/560 ZFS sharesmb property
4890717 want append-only files
6417428 Case-insensitive file system name lookup to support CIFS
6417435 DOS attributes and additional timestamps to support for CIFS
6417442 File system quarantined and modified attributes to support an integrated Anti-Virus service
6417453 FS boolean property for rejecting/allowing invalid UTF-8 sequences in file names
6473733 RFE: Need support for open-deny modes
6473755 RFE: Need ability to reconcile oplock and delegation conflicts
6494624 sharemgr needs to support CIFS shares better
6546705 All vnode operations need to pass caller_context_t
6546706 Need VOP_SETATTR/VOP_GETATTR to support new, optional attributes
6546893 Solaris system attribute support
6550962 ZFS ACL inheritance needs to be enhanced to support Automatic Inheritance
6553589 RFE: VFS Feature Registration facility
6553770 RFE: ZFS support for ACL-on-CREATE (PSARC 2007/227)
6565581 ls(1) should support file system attributes proposed in PSARC/2007/315
6566784 NTFS streams are not copied along with the files.
6576205 cp(1), pack(1) and compress(1) should support file system attributes proposed in PSARC/2007/315
6578875 RFE: kernel interfaces for nbmand need improvement
6578883 RFE: VOP_SHRLOCK needs additional access types
6578885 chmod(1) should support file system attributes proposed in PSARC/2007/315
6578886 RFE: disallow nbmand state to change on remount
6583349 ACL parser needs to support audit/alarm ACE types
6590347 tar(1) should support filesystem attributes proposed in PSARC/2007/315
6597357 *tar* xv@ doesn't show the hidden directory even though it is restored
6597360 *tar* should re-init xattr info if openat() fails during extraction of and extended attribute
6597368 *tar* cannot restore hard linked extended attributes
6597374 *tar* doesn't display "x " when hard linked attributes are restored
6597375 *tar* extended attribute header off by one
6614861 *cpio* incorrectly archives extended system attributes with -@
6614896 *pax* incorrectly archives extended system attributes with -@
6615225 *tar* incorrectly archives extended system attributes with -@
6617183 CIFS Service - PSARC 2006/715


# 4944:96d96f8de974 26-Aug-2007 maybee

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


# 4543:12bb2876a62e 26-Jun-2007 marks

PSARC/2006/465 ZFS Delegated Administration
PSARC/2006/577 zpool property to disable delegation
PSARC/2006/625 Enhancements to zpool history
PSARC/2007/228 ZFS delegation amendments
PSARC/2007/295 ZFS Delegated Administration Addendum
6280676 restore "owner" property
6349470 investigate non-root restore/backup
6572465 'zpool set bootfs=...' records history as 'zfs set bootfs=...'


# 3912:f6891a60bd72 28-Mar-2007 lling

PSARC 2007/083 ZFS bootable datasets
4929890 ZFS Boot support for the x86 platform
6479807 pools need properties
6531774 reserve bits in directory entry for file type


# 3835:063f0749804a 16-Mar-2007 ahrens

PSARC/2007/121 zfs set copies
6459491 want 'zfs set copies=' to use ditto blocks for user data


# 3713:00e75dc8b749 26-Feb-2007 ahrens

6527325 want more assertions in space map code


# 3689:75b45bbf8f18 20-Feb-2007 ek110237

6460622 zio_nowait() doesn't live up to its name


# 3638:6b28ebc717aa 12-Feb-2007 billm

6496357 spec_fsync() is useless on devices that do write caching
6496359 zfs_read does unnecessary work on mmaped files with cached data
6496341 zvol performance can be improved
6496344 zvol async routines are synchronous
6496346 zfs_write with multiple iovs logs wrong data
6496347 zfs_write can be made much simpler thanks to range locks
6496350 zvol needs to log all writes to honor fsync
6496356 zvol should behave like a write-caching device
6489169 zvol: Incorrect ordering of biodone() and ensuring data is stable


# 3547:e396e0a440b1 02-Feb-2007 maybee

6512391 DMU should leverage ZIO dependencies to achieve greater parallelism


# 3444:dc160a70a50d 18-Jan-2007 ek110237

6410433 'zpool status -v' would be more useful with filenames
6504702 zdb -dddv <poolname> chokes on xattrs
6506506 spa_history.c: LE_64(reclen) needs to be cast to uint64_t in case of 32-bit big-endian kernel


# 3025:4e5ee8301d84 31-Oct-2006 ahrens

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


# 2986:c782fcf7a319 26-Oct-2006 ek110237

6485204 more tuneable tweakin


# 2926:acfcfefbc60d 16-Oct-2006 ek110237

PSARC 2006/288 zpool history
6343741 want to store a command history on disk
6476196 spa_sync_spares() is missing a nvlist_free()


# 2885:c0259887ebbc 09-Oct-2006 ahrens

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


# 2743:632c24f376ff 15-Sep-2006 ahrens

6461438 zfs send/recv code should live in its own file


# 2688:12e2ad22b970 06-Sep-2006 maybee

6447701 ZFS hangs when iSCSI Target attempts to initialize its backing store
6464310 Stressing trunc can induce file corruption


# 2676:5cee47eddab6 05-Sep-2006 eschrock

PSARC 2006/486 ZFS canmount property
PSARC 2006/497 ZFS create time properties
PSARC 2006/502 ZFS get all datasets
PSARC 2006/504 ZFS user properties
6269805 properties should be set via an nvlist.
6281585 user defined properties
6349494 'zfs list' output annoying for even moderately long dataset names
6366244 'canmount' option for container-like functionality
6367103 create-time properties
6416639 RFE: provide zfs get -a
6437808 ZFS module version should match on-disk version
6454551 'zfs create -b blocksize filesystem' should fail.
6457478 unrecognized character in error message with 'zpool create -R' command
6457865 missing device name in the error message of 'zpool clear' command
6458571 zfs_ioc_set_prop() doesn't validate input
6458614 zfs ACL #defines should use prefix
6458638 get_configs() accesses bogus memory
6458678 zvol functions should be moved out of zfs_ioctl.h
6458683 zfs_cmd_t could use more cleanup
6458691 common routines to manage zfs_cmd_t nvlists
6460398 zpool import cores on zfs_prop_get
6461029 zpool status -x noexisting-pool has incorrect error message.
6461223 index translations should live with property definitions
6461424 zpool_unmount_datasets() has some busted logic
6461427 zfs_realloc() would be useful
6461757 'zpool status' can report the wrong number of persistent errors
6461784 recursive zfs_snapshot() leaks memory


# 2665:7b208a92357b 01-Sep-2006 nd150628

PSARC 2006/479 zfs receive -F
6421992 'zfs send -i' requires redundant input
6431818 ZFS receive should print a better error message on failure
6437472 want 'zfs recv -F' to force rollback
6438643 'zfs rename <snapshot> <snapshot>' requires redundant arguments
6446512 zfs send does not catch malformed snapshot name


# 2391:2fa3fd1db808 18-Jul-2006 maybee

6447377 ZFS prefetch is inconsistant


# 2237:45affe88ed99 19-Jun-2006 maybee

6416482 filebench oltp workload hangs in zfs
6440499 zil should avoid txg_wait_synced() and use dmu_sync() to issue parallel IOs when fsyncing


# 2199:712a788c2dfd 15-Jun-2006 ahrens

PSARC 2006/388 snapshot -r
6373978 want to take lots of snapshots quickly ('zfs snapshot -r')


# 2082:76b439ec3ac1 30-May-2006 eschrock

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


# 1775:e51e26b432c0 10-Apr-2006 billm

6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
6410700 zdb should support reading raw blocks out of storage pool
6410709 ztest: spa config can change before pool export


# 1731:1efa8b3d1296 01-Apr-2006 bonwick

6402598 'zfs destroy <fs>' can take a long time, stopping up the txg train
6395670 Performance degradation while reading sequentially with large block size


# 1630:4803baf78b7f 15-Mar-2006 ahrens

6398622 'zfs backup > file' can get 'file too large' error on 32-bit systems


# 1596:2e2377ccbf85 10-Mar-2006 ahrens

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


# 1544:938876158511 03-Mar-2006 eschrock

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()


# 789:b348f31ed315 31-Oct-2005 ahrens

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


# 12684:397e44ebb8a9 24-Jun-2010 Tom Erickson <Tom.Erickson@Sun.COM>

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


# 12493:89ce40422cea 25-May-2010 Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM>

6952177 SA handling of on-disk corruption can be improved
6953896 zfs IOs got hung on a V210 running osol-139 durung iozone


# 12470:54258108784b 21-May-2010 Matthew Ahrens <Matthew.Ahrens@Sun.COM>

6948890 snapshot deletion can induce pathologically long spa_sync() times


# 12296:7cf402a7f374 03-May-2010 Lin Ling <Lin.Ling@Sun.COM>

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


# 12285:d736d62dcca2 29-Apr-2010 Jeff Bonwick <Jeff.Bonwick@Sun.COM>

6944833 Avoid prefetching dbufs in dmu_sync() path


# 12178:93ec1371f750 19-Apr-2010 Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>

6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0||count == 0, in dsl_dataset.c
6942276 remove symlink upgrade code
6943284 sa_attr_iter() can use uninitialized value of length_start
6942045 zoneadm -z <zone> halt hangs after manipulation of xattrs


# 12123:bb40732a982e 09-Apr-2010 Tim Haley <Tim.Haley@Sun.COM>

6572591 meta dnode lookup causes bucket lock contention in dbuf hash


# 11935:538c866aaac6 16-Mar-2010 Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>

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


# 11670:1d964fb5d948 17-Feb-2010 Neil Perrin <Neil.Perrin@Sun.COM>

6595532 ZIL is too talkative
6388458 zil need not inflate blocksize that much
6738159 slog can probably pack 2X more data per lwb
6897432 ziltest_noslog fails after dedup putback
6911570 Shouldn't start an ereport on speculative read failure
6920442 ZIL: Should use the stronger checksum fletcher4


# 11539:10d35fc3d7fd 18-Jan-2010 chunli zhang - Sun Microsystems - Irvine United States <Chunli.Zhang@Sun.COM>

6873106 Need a mechanism to share buffers between fs modules


# 10922:e2081f502306 01-Nov-2009 Jeff Bonwick <Jeff.Bonwick@Sun.COM>

PSARC 2009/571 ZFS Deduplication Properties
6677093 zfs should have dedup capability


# 10810:b6b161a6ae4a 16-Oct-2009 Neil Perrin <Neil.Perrin@Sun.COM>

6892298 buf->b_hdr->b_state != arc_anon, file: ../../common/fs/zfs/arc.c, line: 2849


# 10800:469478b180d9 15-Oct-2009 Neil Perrin <Neil.Perrin@Sun.COM>

6880764 fsync on zfs is broken if writes are greater than 32kb on a hard crash and no log attached
6793430 zdb -ivvvv assertion failure: bp->blk_cksum.zc_word[2] == dmu_objset_id(zilog->zl_os)


# 10474:0e96dd3b905a 09-Sep-2009 Rich Morris <Richard.Morris@Sun.COM>

6859997 zfs caching performance problem
6868951 Add kstats for ZFS data prefetch (zfetch)
6847118 hang in ZFS during rollback


# 10298:a0d52501437c 12-Aug-2009 Matthew Ahrens <Matthew.Ahrens@Sun.COM>

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


# 10242:c40d075fbca6 01-Aug-2009 Chris Kirby <chris.kirby@sun.com>

PSARC/2009/297 zfs snapshot holds
6803121 want user-settable refcounts on snapshots
6851824 zfs_ioc_rename() can be called with a NULL zc_name


# 10209:91f47f0e7728 30-Jul-2009 Mark J Musante <Mark.Musante@Sun.COM>

6830541 zfs_get_data trips on a verify
6696242 multiple zfs_fillpage() zfs: accessing past end of object panics
6785914 zfs fails to drop dn_struct_rwlock in recovery code path


# 9951:a4895b3dd543 23-Jun-2009 Lin Ling <Lin.Ling@Sun.COM>

6842815 SUNWzfsu package dependency on SUNWPython is not captured
6844900 zfs_ioc_userspace_upgrade leaks
6852821 memory leak in zfs_putapage


# 9950:78fc41aa9bc5 22-Jun-2009 Mark Maybee <Mark.Maybee@Sun.COM>

6792701 Removing large holey file does not free space


# 9512:64cafcbcc337 29-Apr-2009 Neil Perrin <Neil.Perrin@Sun.COM>

6801810 Commit of aligned streaming rewrites to ZIL device causes unwanted disk reads


# 9412:4aefd8704ce0 21-Apr-2009 Aleksandr Guzovskiy <Aleksandr.Guzovskiy@Sun.COM>

6717022 ZFS DMU needs zero-copy support


# 9396:f41cf682d0d3 18-Apr-2009 Matthew Ahrens <Matthew.Ahrens@Sun.COM>

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


# 7872:40a9434212f6 17-Oct-2008 Tim Haley <Tim.Haley@Sun.COM>

6646775 Speed up the dumpifying process for zvols


# 7754:b80e4842ad54 29-Sep-2008 Jeff Bonwick <Jeff.Bonwick@Sun.COM>

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


# 7468:23915842aa09 02-Sep-2008 Mark Maybee <Mark.Maybee@Sun.COM>

6687412 zfs stuck issuing small txg


# 7385:f69ff8507427 21-Aug-2008 Mark Maybee <Mark.Maybee@Sun.COM>

6727817 ZFS assertion failure (zero length arc_buf_alloc) during NFS I/O
6734875 assertion failed: list_head(&osi->os_meta_dnode->dn_dbufs) == 0L
6728399 [f]truncate(2) to non-zero offset broken on ZFS for files < max-blocksize
6730750 pool shows disk space in used but no related files/dirs
6737329 dmu_offset_next() does not find holes


# 7315:cdba25672122 12-Aug-2008 Jonathan W Adams <Jonathan.Adams@Sun.COM>

6735592 "zio" vmem arenas are confusing, not reported separately
6699438 zfs induces crosscall storm under heavy mapped sequential read workload


# 7237:f47d41541b14 31-Jul-2008 ek110237

PSARC 2008/393 zfs primarycache and secondarycache properties
6429855 Need a way to tell ZFS that caching is a lost cause
6652525 want to limit L2ARC to only cache particular datasets, and only metadata


# 7046:361307ae060d 07-Jul-2008 ahrens

6343667 scrub/resilver has to start over when a snapshot is taken
6343693 'zpool status' gives delayed start for 'zpool scrub'
6670746 scrub on degraded pool return the status of 'resilver completed'?
6675685 DTL entries are lost resulting in checksum errors
6706404 get_history_one() can dereference off end of hist_event_table[]
6715414 assertion failed: ds->ds_owner != tag in dsl_dataset_rele()
6716437 ztest gets SEGV in arc_released()
6722838 bfu does not update grub


# 6992:20c04e18c58c 01-Jul-2008 maybee

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]


# 5450:b25030891c44 09-Nov-2007 brendan

PSARC 2007/618 ZFS L2ARC
6536054 second tier ("external") ARC


# 5339:11972030d913 26-Oct-2007 marks

6622084 FUID table size has wrong byteswap function


# 5331:3047ad28a67b 25-Oct-2007 amw

PSARC/2007/218 caller_context_t in all VOPs
PSARC/2007/227 VFS Feature Registration and ACL on Create
PSARC/2007/244 ZFS Case-insensitive support
PSARC/2007/315 Extensible Attribute Interfaces
PSARC/2007/394 ls(1) new command line options '-/' and '-%': CIFS system attributes support
PSARC/2007/403 Modified Access Checks for CIFS
PSARC/2007/410 Add system attribute support to chmod(1)
PSARC/2007/432 CIFS system attributes support for cp(1), pack(1), unpack(1), compress(1) and uncompress(1)
PSARC/2007/444 Rescind SETTABLE Attribute
PSARC/2007/459 CIFS system attributes support for cpio(1), pax(1), tar(1)
PSARC/2007/546 Update utilities to match CIFS system attributes changes.
PSARC/2007/560 ZFS sharesmb property
4890717 want append-only files
6417428 Case-insensitive file system name lookup to support CIFS
6417435 DOS attributes and additional timestamps to support for CIFS
6417442 File system quarantined and modified attributes to support an integrated Anti-Virus service
6417453 FS boolean property for rejecting/allowing invalid UTF-8 sequences in file names
6473733 RFE: Need support for open-deny modes
6473755 RFE: Need ability to reconcile oplock and delegation conflicts
6494624 sharemgr needs to support CIFS shares better
6546705 All vnode operations need to pass caller_context_t
6546706 Need VOP_SETATTR/VOP_GETATTR to support new, optional attributes
6546893 Solaris system attribute support
6550962 ZFS ACL inheritance needs to be enhanced to support Automatic Inheritance
6553589 RFE: VFS Feature Registration facility
6553770 RFE: ZFS support for ACL-on-CREATE (PSARC 2007/227)
6565581 ls(1) should support file system attributes proposed in PSARC/2007/315
6566784 NTFS streams are not copied along with the files.
6576205 cp(1), pack(1) and compress(1) should support file system attributes proposed in PSARC/2007/315
6578875 RFE: kernel interfaces for nbmand need improvement
6578883 RFE: VOP_SHRLOCK needs additional access types
6578885 chmod(1) should support file system attributes proposed in PSARC/2007/315
6578886 RFE: disallow nbmand state to change on remount
6583349 ACL parser needs to support audit/alarm ACE types
6590347 tar(1) should support filesystem attributes proposed in PSARC/2007/315
6597357 *tar* xv@ doesn't show the hidden directory even though it is restored
6597360 *tar* should re-init xattr info if openat() fails during extraction of and extended attribute
6597368 *tar* cannot restore hard linked extended attributes
6597374 *tar* doesn't display "x " when hard linked attributes are restored
6597375 *tar* extended attribute header off by one
6614861 *cpio* incorrectly archives extended system attributes with -@
6614896 *pax* incorrectly archives extended system attributes with -@
6615225 *tar* incorrectly archives extended system attributes with -@
6617183 CIFS Service - PSARC 2006/715


# 4944:96d96f8de974 26-Aug-2007 maybee

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


# 4543:12bb2876a62e 26-Jun-2007 marks

PSARC/2006/465 ZFS Delegated Administration
PSARC/2006/577 zpool property to disable delegation
PSARC/2006/625 Enhancements to zpool history
PSARC/2007/228 ZFS delegation amendments
PSARC/2007/295 ZFS Delegated Administration Addendum
6280676 restore "owner" property
6349470 investigate non-root restore/backup
6572465 'zpool set bootfs=...' records history as 'zfs set bootfs=...'


# 3912:f6891a60bd72 28-Mar-2007 lling

PSARC 2007/083 ZFS bootable datasets
4929890 ZFS Boot support for the x86 platform
6479807 pools need properties
6531774 reserve bits in directory entry for file type


# 3835:063f0749804a 16-Mar-2007 ahrens

PSARC/2007/121 zfs set copies
6459491 want 'zfs set copies=' to use ditto blocks for user data


# 3713:00e75dc8b749 26-Feb-2007 ahrens

6527325 want more assertions in space map code


# 3689:75b45bbf8f18 20-Feb-2007 ek110237

6460622 zio_nowait() doesn't live up to its name


# 3638:6b28ebc717aa 12-Feb-2007 billm

6496357 spec_fsync() is useless on devices that do write caching
6496359 zfs_read does unnecessary work on mmaped files with cached data
6496341 zvol performance can be improved
6496344 zvol async routines are synchronous
6496346 zfs_write with multiple iovs logs wrong data
6496347 zfs_write can be made much simpler thanks to range locks
6496350 zvol needs to log all writes to honor fsync
6496356 zvol should behave like a write-caching device
6489169 zvol: Incorrect ordering of biodone() and ensuring data is stable


# 3547:e396e0a440b1 02-Feb-2007 maybee

6512391 DMU should leverage ZIO dependencies to achieve greater parallelism


# 3444:dc160a70a50d 18-Jan-2007 ek110237

6410433 'zpool status -v' would be more useful with filenames
6504702 zdb -dddv <poolname> chokes on xattrs
6506506 spa_history.c: LE_64(reclen) needs to be cast to uint64_t in case of 32-bit big-endian kernel


# 3025:4e5ee8301d84 31-Oct-2006 ahrens

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


# 2986:c782fcf7a319 26-Oct-2006 ek110237

6485204 more tuneable tweakin


# 2926:acfcfefbc60d 16-Oct-2006 ek110237

PSARC 2006/288 zpool history
6343741 want to store a command history on disk
6476196 spa_sync_spares() is missing a nvlist_free()


# 2885:c0259887ebbc 09-Oct-2006 ahrens

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


# 2743:632c24f376ff 15-Sep-2006 ahrens

6461438 zfs send/recv code should live in its own file


# 2688:12e2ad22b970 06-Sep-2006 maybee

6447701 ZFS hangs when iSCSI Target attempts to initialize its backing store
6464310 Stressing trunc can induce file corruption


# 2676:5cee47eddab6 05-Sep-2006 eschrock

PSARC 2006/486 ZFS canmount property
PSARC 2006/497 ZFS create time properties
PSARC 2006/502 ZFS get all datasets
PSARC 2006/504 ZFS user properties
6269805 properties should be set via an nvlist.
6281585 user defined properties
6349494 'zfs list' output annoying for even moderately long dataset names
6366244 'canmount' option for container-like functionality
6367103 create-time properties
6416639 RFE: provide zfs get -a
6437808 ZFS module version should match on-disk version
6454551 'zfs create -b blocksize filesystem' should fail.
6457478 unrecognized character in error message with 'zpool create -R' command
6457865 missing device name in the error message of 'zpool clear' command
6458571 zfs_ioc_set_prop() doesn't validate input
6458614 zfs ACL #defines should use prefix
6458638 get_configs() accesses bogus memory
6458678 zvol functions should be moved out of zfs_ioctl.h
6458683 zfs_cmd_t could use more cleanup
6458691 common routines to manage zfs_cmd_t nvlists
6460398 zpool import cores on zfs_prop_get
6461029 zpool status -x noexisting-pool has incorrect error message.
6461223 index translations should live with property definitions
6461424 zpool_unmount_datasets() has some busted logic
6461427 zfs_realloc() would be useful
6461757 'zpool status' can report the wrong number of persistent errors
6461784 recursive zfs_snapshot() leaks memory


# 2665:7b208a92357b 01-Sep-2006 nd150628

PSARC 2006/479 zfs receive -F
6421992 'zfs send -i' requires redundant input
6431818 ZFS receive should print a better error message on failure
6437472 want 'zfs recv -F' to force rollback
6438643 'zfs rename <snapshot> <snapshot>' requires redundant arguments
6446512 zfs send does not catch malformed snapshot name


# 2391:2fa3fd1db808 18-Jul-2006 maybee

6447377 ZFS prefetch is inconsistant


# 2237:45affe88ed99 19-Jun-2006 maybee

6416482 filebench oltp workload hangs in zfs
6440499 zil should avoid txg_wait_synced() and use dmu_sync() to issue parallel IOs when fsyncing


# 2199:712a788c2dfd 15-Jun-2006 ahrens

PSARC 2006/388 snapshot -r
6373978 want to take lots of snapshots quickly ('zfs snapshot -r')


# 2082:76b439ec3ac1 30-May-2006 eschrock

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


# 1775:e51e26b432c0 10-Apr-2006 billm

6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
6410700 zdb should support reading raw blocks out of storage pool
6410709 ztest: spa config can change before pool export


# 1731:1efa8b3d1296 01-Apr-2006 bonwick

6402598 'zfs destroy <fs>' can take a long time, stopping up the txg train
6395670 Performance degradation while reading sequentially with large block size


# 1630:4803baf78b7f 15-Mar-2006 ahrens

6398622 'zfs backup > file' can get 'file too large' error on 32-bit systems


# 1596:2e2377ccbf85 10-Mar-2006 ahrens

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


# 1544:938876158511 03-Mar-2006 eschrock

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()


# 789:b348f31ed315 31-Oct-2005 ahrens

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