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Revision 1.4.2.3: download - view: text, markup, annotated - select for diffs
Thu Jan 5 09:39:29 2012 UTC (5 weeks ago) by mm
Branches: RELENG_8
Diff to: previous 1.4.2.2: preferred, colored; branchpoint 1.4: preferred, colored; next MAIN 1.5: preferred, colored
Changes since revision 1.4.2.2: +3 -1 lines
SVN rev 229566 on 2012-01-05 09:39:29Z by mm

MFC r226676, r226678, r226700, r226705, r226706, r226707:

MFC r226676 (pjd):
Allow to rename file systems without remounting if it is possible.
It is possible for file systems with 'mountpoint' preperty set to 'legacy'
or 'none' - we don't have to change mount directory for them.
Currently such file systems are unmounted on rename and not even mounted back.

This introduces layering violation, as we need to update 'f_mntfromname'
field in statfs structure related to mountpoint (for the dataset we are
renaming and all its children).

In my opinion it is worth it, as it allow to update FreeBSD in even cleaner
way - in ZFS-only configuration root file system is ZFS file system with
'mountpoint' property set to 'legacy'. If root dataset is named system/rootfs,
we can snapshot it (system/rootfs@upgrade), clone it (system/oldrootfs),
update FreeBSD and if it doesn't boot we can boot back from system/oldrootfs
and rename it back to system/rootfs while it is mounted as /. Before it was
not possible, because unmounting / was not possible.

MFC r227768 (pjd):
Include <sys/zfs_vfsops.h> only when compiling kernel module.

MFC r226700 (pjd):
Don't forget to rename mounted snapshots of the file system being renamed.

MFC r226705 (pjd):
Extend r226676 to allow rename without unmount even for file systems with
non-legacy mountpoints. It is better to be able to rename such file systems and
let them be mounted in old places until next reboot than using live CD, etc. to
rename with remount.

This is implemented by adding -u option to 'zfs rename'. If file system's
mountpoint property is set to 'legacy' or 'none', there is no need to specify -u.

Update zfs(8) manual page to reflect this addition.

MFC r226706 (pjd):
Update copyright to include myself.

MFC r226707 (pjd):
- Use better naming now that we allow to rename any mounted file system (not
  only legacy).
- Update copyright to include myself.

Approved by:	pjd
Revision 1.6.2.1: download - view: text, markup, annotated - select for diffs
Thu Jan 5 09:37:31 2012 UTC (5 weeks ago) by mm
Branches: RELENG_9
Diff to: previous 1.6: preferred, colored; next MAIN 1.7: preferred, colored
Changes since revision 1.6: +3 -1 lines
SVN rev 229565 on 2012-01-05 09:37:31Z by mm

MFC r226676, r226678, r226700, r226705, r226706, r226707:

MFC r226676 (pjd):
Allow to rename file systems without remounting if it is possible.
It is possible for file systems with 'mountpoint' preperty set to 'legacy'
or 'none' - we don't have to change mount directory for them.
Currently such file systems are unmounted on rename and not even mounted back.

This introduces layering violation, as we need to update 'f_mntfromname'
field in statfs structure related to mountpoint (for the dataset we are
renaming and all its children).

In my opinion it is worth it, as it allow to update FreeBSD in even cleaner
way - in ZFS-only configuration root file system is ZFS file system with
'mountpoint' property set to 'legacy'. If root dataset is named system/rootfs,
we can snapshot it (system/rootfs@upgrade), clone it (system/oldrootfs),
update FreeBSD and if it doesn't boot we can boot back from system/oldrootfs
and rename it back to system/rootfs while it is mounted as /. Before it was
not possible, because unmounting / was not possible.

MFC r227768 (pjd):
Include <sys/zfs_vfsops.h> only when compiling kernel module.

MFC r226700 (pjd):
Don't forget to rename mounted snapshots of the file system being renamed.

MFC r226705 (pjd):
Extend r226676 to allow rename without unmount even for file systems with
non-legacy mountpoints. It is better to be able to rename such file systems and
let them be mounted in old places until next reboot than using live CD, etc. to
rename with remount.

This is implemented by adding -u option to 'zfs rename'. If file system's
mountpoint property is set to 'legacy' or 'none', there is no need to specify -u.

Update zfs(8) manual page to reflect this addition.

MFC r226706 (pjd):
Update copyright to include myself.

MFC r226707 (pjd):
- Use better naming now that we allow to rename any mounted file system (not
  only legacy).
- Update copyright to include myself.

Approved by:	pjd
Revision 1.8: download - view: text, markup, annotated - select for diffs
Mon Oct 24 21:31:53 2011 UTC (3 months, 2 weeks ago) by pjd
Branches: MAIN
CVS tags: HEAD
Diff to: previous 1.7: preferred, colored
Changes since revision 1.7: +2 -0 lines
SVN rev 226707 on 2011-10-24 21:31:53Z by pjd

- Use better naming now that we allow to rename any mounted file system (not
  only legacy).
- Update copyright to include myself.

MFC after:	2 weeks
Revision 1.7: download - view: text, markup, annotated - select for diffs
Mon Oct 24 00:38:09 2011 UTC (3 months, 2 weeks ago) by pjd
Branches: MAIN
Diff to: previous 1.6: preferred, colored
Changes since revision 1.6: +1 -1 lines
SVN rev 226676 on 2011-10-24 00:38:09Z by pjd

Allow to rename file systems without remounting if it is possible.
It is possible for file systems with 'mountpoint' preperty set to 'legacy'
or 'none' - we don't have to change mount directory for them.
Currently such file systems are unmounted on rename and not even mounted back.

This introduces layering violation, as we need to update 'f_mntfromname'
field in statfs structure related to mountpoint (for the dataset we are
renaming and all its children).

In my opinion it is worth it, as it allow to update FreeBSD in even cleaner
way - in ZFS-only configuration root file system is ZFS file system with
'mountpoint' property set to 'legacy'. If root dataset is named system/rootfs,
we can snapshot it (system/rootfs@upgrade), clone it (system/oldrootfs),
update FreeBSD and if it doesn't boot we can boot back from system/oldrootfs
and rename it back to system/rootfs while it is mounted as /. Before it was
not possible, because unmounting / was not possible.

MFC after:	2 weeks
Revision 1.4.2.2: download - view: text, markup, annotated - select for diffs
Mon Jun 6 09:36:46 2011 UTC (8 months ago) by mm
Branches: RELENG_8
Diff to: previous 1.4.2.1: preferred, colored; branchpoint 1.4: preferred, colored
Changes since revision 1.4.2.1: +13 -5 lines
SVN rev 222741 on 2011-06-06 09:36:46Z by mm

MFC ZFS version 28 and related revisions:
208682, 211900, 212543, 213791, 216378, 218007, 218725, 219089, 219090,
219092, 219316, 219317, 219320, 219404, 219636, 219703, 219959, 219973,
220447, 220575, 221112, 221177, 221263, 221409, 222050, 222267, 222268

MFC r208682 (pjd):
Fix panic when reading label from provider with non power of 2 sector size.

MFC r211900 (pjd):
Use ZFS_CTLDIR_NAME instead of hardcoding ".zfs".

MFC r212543 (imp):
Simplify atomic selection

MFC r213791 (rpaulo):
Pass a format string to panic() and to taskqueue_start_threads().

Found with:	clang

MFC r216378 (pjd):
Remove redundant semicolon and empty like.

MFC r218007 (jchandra):
CDDL fixes for MIPS n32.

Provide 64 bit atomic ops, and use 32 bit pointer.

MFC r218725 (dim):
When building libzpool on ia64 or sparc64, don't add the .note.GNU-stack
section.

MFC r219089 (pjd):
Finally... Import the latest open-source ZFS version - (SPA) 28.

Few new things available from now on:

- Data deduplication.
- Triple parity RAIDZ (RAIDZ3).
- zfs diff.
- zpool split.
- Snapshot holds.
- zpool import -F. Allows to rewind corrupted pool to earlier
  transaction group.
- Possibility to import pool in read-only mode.

MFC r219090 (pjd):
Commit two more files missed in r219089.

MFC r219092 (pjd):
Use proper lock in assertion.

MFC r219316 (pjd):
Simplify zvol_remove_minors() a bit.

MFC r219317 (pjd):
Make renaming of a ZVOL, ZVOL's parent directory and ZVOL snapshot work.

MFC r219320 (pjd):
Fix libzpool build.

MFC r219404 (pjd):
Correct readdir over ZFS handling.

MFC r219636 (pjd):
Fix potential panic in dbuf_sync_list() relate to spill blocks handling.

MFC r219703 (ae):
The size of zfsboot2 grown up to 64 Kbytes in r219089.
Increase NSECT up to 128 sectors too.

MFC r219959 (pjd):
Properly print characters larger than 127.

MFC r219973 (pjd):
Checking file access on size change is bogus. The checks are done earlier by
VFS where we know if this is truncate(2) or ftruncate(2). If this is the
latter we should depend on the mode the file was opened and not on the current
permission.

MFC r220447 (mm):
Partially fix ZFS compat code for sparc64.
Some endianess bugs still need to be resolved.

MFC r220575 (pjd):
Fix 'zfs list <path>' handling. If the path was found, the 'ret' variable was
uninitialized.

MFC r221112 (marcel):
Fix copy-paste bug.

MFC r221177 (jhb):
Due to space constraints, the UFS boot2 and boot1 use an evil hack where
boot2 calls back into boot1 to perform disk reads.  The ZFS MBR boot blocks
do not have the same space constraints, so remove this hack for ZFS.
While here, remove commented out code to support C/H/S addressing from
zfsldr.  The ZFS and GPT bootstraps always just use EDD LBA addressing.

MFC r221263 (mm):
Fix deduplicated zfs receive
(dmu_recv_stream builds incomplete guid_to_ds_map)

Illumos-gate changeset: 13329:c48b8bf84ab7

MFC r221409 (marius):
Convert the last use of xcopyout() to ddi_copyout() and remove the now
unused xcopyin() as well as xcopyout().

MFC r222050 (mm):
Restore old (v15) behaviour for a recursive snapshot destroy.
(zfs destroy -r pool/dataset@snapshot)

To destroy all descendent snapshots with the same name the top level
snapshot was not required to exist. So if the top level snapshot does
not exist, check permissions of the parent dataset instead.

Filed as Illumos Bug #1043

MFC r222267 (pjd):
Don't access task structure once we call task function.
The task structure might be no longer available.
This also allows to eliminates the need for two tasks in the zio structure.

MFC r222268 (pjd):
Don't pass pointer to name buffer which is on the stack to another thread,
because the stack might be paged out once the other thread tries to use the
data. Instead, just allocate memory.

Discussed with:		pjd
Revision 1.6: download - view: text, markup, annotated - select for diffs
Sun Feb 27 19:41:40 2011 UTC (11 months, 1 week ago) by pjd
Branches: MAIN
CVS tags: RELENG_9_BP, RELENG_9_0_BP, RELENG_9_0_0_RELEASE, RELENG_9_0
Branch point for: RELENG_9
Diff to: previous 1.5: preferred, colored
Changes since revision 1.5: +13 -5 lines
SVN rev 219089 on 2011-02-27 19:41:40Z by pjd

Finally... Import the latest open-source ZFS version - (SPA) 28.

Few new things available from now on:

- Data deduplication.
- Triple parity RAIDZ (RAIDZ3).
- zfs diff.
- zpool split.
- Snapshot holds.
- zpool import -F. Allows to rewind corrupted pool to earlier
  transaction group.
- Possibility to import pool in read-only mode.

MFC after:	1 month
Revision 1.4.2.1: download - view: text, markup, annotated - select for diffs
Wed Sep 15 16:05:40 2010 UTC (16 months, 3 weeks ago) by mm
Branches: RELENG_8
CVS tags: RELENG_8_2_BP, RELENG_8_2_0_RELEASE, RELENG_8_2
Diff to: previous 1.4: preferred, colored
Changes since revision 1.4: +1 -2 lines
SVN rev 212668 on 2010-09-15 16:05:40Z by mm

MFC r209962, r211970-r211972, r212050, r212605, r212611

MFC r209962:

Merge ZFS version 15 and almost all OpenSolaris bugfixes referenced
in Solaris 10 updates 141445-09 and 142901-14.

Detailed information:
(OpenSolaris revisions and Bug IDs, Solaris 10 patch numbers)

7844:effed23820ae
6755435 zfs_open() and zfs_close() needs to use ZFS_ENTER/ZFS_VERIFY_ZP (141445-01)

7897:e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up (141445-01)

7965:b795da521357
6740164 zpool attach can create an illegal root pool (141909-02)

8084:b811cc60d650
6769612 zpool_import() will continue to write to cachefile even if altroot is set (N/A)

8121:7fd09d4ebd9c
6757430 want an option for zdb to disable space map loading and leak tracking (141445-01)

8129:e4f45a0bfbb0
6542860 ASSERT: reason != VDEV_LABEL_REMOVE||vdev_inuse(vd, crtxg, reason, 0) (141445-01)

8188:fd00c0a81e80
6761100 want zdb option to select older uberblocks (141445-01)

8190:6eeea43ced42
6774886 zfs_setattr() won't allow ndmp to restore SUNWattr_rw (141445-01)

8225:59a9961c2aeb
6737463 panic while trying to write out config file if root pool import fails (141445-01)

8227:f7d7be9b1f56
6765294 Refactor replay (141445-01)

8228:51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups (141909-01)
6572376 zfs_iter_filesystems and zfs_iter_snapshots get objset stats twice (141909-01)

8241:5a60f16123ba
6328632 zpool offline is a bit too conservative (141445-01)
6739487 ASSERT: txg <= spa_final_txg due to scrub/export race (141445-01)
6767129 ASSERT: cvd->vdev_isspare, in spa_vdev_detach() (141445-01)
6747698 checksum failures after offline -t / export / import / scrub (141445-01)
6745863 ZFS writes to disk after it has been offlined (141445-01)
6722540 50% slowdown on scrub/resilver with certain vdev configurations (141445-01)
6759999 resilver logic rewrites ditto blocks on both source and destination (141445-01)
6758107 I/O should never suspend during spa_load() (141445-01)
6776548 codereview(1) runs off the page when faced with multi-line comments (N/A)
6761406 AMD errata 91 workaround doesn't work on 64-bit systems (141445-01)

8242:e46e4b2f0a03
6770866 GRUB/ZFS should require physical path or devid, but not both (141445-01)

8269:03a7e9050cfd
6674216 "zfs share" doesn't work, but "zfs set sharenfs=on" does (141445-01)
6621164 $SRC/cmd/zfs/zfs_main.c seems to have a syntax error in the translation note (141445-01)
6635482 i18n problems in libzfs_dataset.c and zfs_main.c (141445-01)
6595194 "zfs get" VALUE column is as wide as NAME (141445-01)
6722991 vdev_disk.c: error checking for ddi_pathname_to_dev_t() must test for NODEV (141445-01)
6396518 ASSERT strings shouldn't be pre-processed (141445-01)

8274:846b39508aff
6713916 scrub/resilver needlessly decompress data (141445-01)

8343:655db2375fed
6739553 libzfs_status msgid table is out of sync (141445-01)
6784104 libzfs unfairly rejects numerical values greater than 2^63 (141445-01)
6784108 zfs_realloc() should not free original memory on failure (141445-01)

8525:e0e0e525d0f8
6788830 set large value to reservation cause core dump (141445-01)
6791064 want sysevents for ZFS scrub (141445-01)
6791066 need to be able to set cachefile on faulted pools (141445-01)
6791071 zpool_do_import() should not enable datasets on faulted pools (141445-01)
6792134 getting multiple properties on a faulted pool leads to confusion (141445-01)

8547:bcc7b46e5ff7
6792884 Vista clients cannot access .zfs (141445-01)

8632:36ef517870a3
6798384 It can take a village to raise a zio (141445-01)

8636:7e4ce9158df3
6551866 deadlock between zfs_write(), zfs_freesp(), and zfs_putapage() (141909-01)
6504953 zfs_getpage() misunderstands VOP_GETPAGE() interface (141909-01)
6702206 ZFS read/writer lock contention throttles sendfile() benchmark (141445-01)
6780491 Zone on a ZFS filesystem has poor fork/exec performance (141445-01)
6747596 assertion failed: DVA_EQUAL(BP_IDENTITY(&zio->io_bp_orig), BP_IDENTITY(zio->io_bp))); (141445-01)

8692:692d4668b40d
6801507 ZFS read aggregation should not mind the gap (141445-01)

8697:e62d2612c14d
6633095 creating a filesystem with many properties set is slow (141445-01)

8768:dfecfdbb27ed
6775697 oracle crashes when overwriting after hitting quota on zfs (141909-01)

8811:f8deccf701cf
6790687 libzfs mnttab caching ignores external changes (141445-01)
6791101 memory leak from libzfs_mnttab_init (141445-01)

8845:91af0d9c0790
6800942 smb_session_create() incorrectly stores IP addresses (N/A)
6582163 Access Control List (ACL) for shares (141445-01)
6804954 smb_search - shortname field should be space padded following the NULL terminator (N/A)
6800184 Panic at smb_oplock_conflict+0x35() (N/A)

8876:59d2e67b4b65
6803822 Reboot after replacement of system disk in a ZFS mirror drops to grub> prompt (141445-01)

8924:5af812f84759
6789318 coredump when issue zdb -uuuu poolname/ (141445-01)
6790345 zdb -dddd -e poolname coredump (141445-01)
6797109 zdb: 'zdb -dddddd pool_name/fs_name inode' coredump if the file with inode was deleted (141445-01)
6797118 zdb: 'zdb -dddddd poolname inum' coredump if I miss the fs name (141445-01)
6803343 shareiscsi=on failed, iscsitgtd failed request to share (141445-01)

9030:243fd360d81f
6815893 hang mounting a dataset after booting into a new boot environment (141445-01)

9056:826e1858a846
6809691 'zpool create -f' no longer overwrites ufs infomation (141445-01)

9179:d8fbd96b79b3
6790064 zfs needs to determine uid and gid earlier in create process (141445-01)

9214:8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy (141909-01)
6810367 assertion failed: dvp->v_flag & VROOT, file: ../../common/fs/gfs.c, line: 426 (141909-01)

9229:e3f8b41e5db4
6807765 ztest_dsl_dataset_promote_busy needs to clean up after ENOSPC (141445-01)

9230:e4561e3eb1ef
6821169 offlining a device results in checksum errors (141445-01)
6821170 ZFS should not increment error stats for unavailable devices (141445-01)
6824006 need to increase issue and interrupt taskqs threads in zfs (141445-01)

9234:bffdc4fc05c4
6792139 recovering from a suspended pool needs some work (141445-01)
6794830 reboot command hangs on a failed zfs pool (141445-01)

9246:67c03c93c071
6824062 System panicked in zfs_mount due to NULL pointer dereference when running btts and svvs tests (141909-01)

9276:a8a7fc849933
6816124 System crash running zpool destroy on broken zpool (141445-03)

9355:09928982c591
6818183 zfs snapshot -r is slow due to set_snap_props() doing txg_wait_synced() for each new snapshot (141445-03)

9391:413d0661ef33
6710376 log device can show incorrect status when other parts of pool are degraded (141445-03)

9396:f41cf682d0d3 (part already merged)
6501037 want user/group quotas on ZFS (141445-03)
6827260 assertion failed in arc_read(): hdr == pbuf->b_hdr (141445-03)
6815592 panic: No such hold X on refcount Y from zfs_znode_move (141445-03)
6759986 zfs list shows temporary %clone when doing online zfs recv (141445-03)

9404:319573cd93f8
6774713 zfs ignores canmount=noauto when sharenfs property != off (141445-03)

9412:4aefd8704ce0
6717022 ZFS DMU needs zero-copy support (141445-03)

9425:e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock (141445-03)
6826466 want to post sysevents on hot spare activation (141445-03)
6826468 spa 'allowfaulted' needs some work (141445-03)
6826469 kernel support for storing vdev FRU information (141445-03)
6826470 skip posting checksum errors from DTL regions of leaf vdevs (141445-03)
6826471 I/O errors after device remove probe can confuse FMA (141445-03)
6826472 spares should enjoy some of the benefits of cache devices (141445-03)

9443:2a96d8478e95
6833711 gang leaders shouldn't have to be logical (141445-03)

9463:d0bd231c7518
6764124 want zdb to be able to checksum metadata blocks only (141445-03)

9465:8372081b8019
6830237 zfs panic in zfs_groupmember() (141445-03)

9466:1fdfd1fed9c4
6833162 phantom log device in zpool status (141445-03)

9469:4f68f041ddcd
6824968 add ZFS userquota support to rquotad (141445-03)

9470:6d827468d7b5
6834217 godfather I/O should reexecute (141445-03)

9480:fcff33da767f
6596237 Stop looking and start ganging (141909-02)

9493:9933d599bc93
6623978 lwb->lwb_buf != NULL, file ../../../uts/common/fs/zfs/zil.c, line 787, function zil_lwb_commit (141445-06)

9512:64cafcbcc337
6801810 Commit of aligned streaming rewrites to ZIL device causes unwanted disk reads (N/A)

9515:d3b739d9d043
6586537 async zio taskqs can block out userland commands (142901-09)

9554:787363635b6a
6836768 zfs_userspace() callback has no way to indicate failure (N/A)

9574:1eb6a6ab2c57
6838062 zfs panics when an error is encountered in space_map_load() (141909-02)

9583:b0696cd037cc
6794136 Panic BAD TRAP: type=e when importing degraded zraid pool. (141909-03)

9630:e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread() (141445-06)

9653:a70048a304d1
6664765 Unable to remove files when using fat-zap and quota exceeded on ZFS filesystem (141445-06)

9688:127be1845343
6841321 zfs userspace / zfs get userused@ doesn't work on mounted snapshot (N/A)
6843069 zfs get userused@S-1-... doesn't work (N/A)

9873:8ddc892eca6e
6847229 assertion failed: refcount_count(&tx->tx_space_written) + delta <= tx->tx_space_towrite in dmu_tx.c (141445-06)

9904:d260bd3fd47c
6838344 kernel heap corruption detected on zil while stress testing (141445-06)

9951:a4895b3dd543
6844900 zfs_ioc_userspace_upgrade leaks (N/A)

10040:38b25aeeaf7a
6857012 zfs panics on zpool import (141445-06)

10000:241a51d8720c
6848242 zdb -e no longer works as expected (N/A)

10100:4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2 (141445-07)

10160:a45b03783d44
6861983 zfs should use new name <-> SID interfaces (N/A)
6862984 userquota commands can hang (141445-06)

10299:80845694147f
6696858 zfs receive of incremental replication stream can dereference NULL pointer and crash (N/A)

10302:a9e3d1987706
6696858 zfs receive of incremental replication stream can dereference NULL pointer and crash (fix lint) (N/A)

10575:2a8816c5173b (partial merge)
6882227 spa_async_remove() shouldn't do a full clear (142901-14)

10800:469478b180d9
6880764 fsync on zfs is broken if writes are greater than 32kb on a hard crash and no log attached (142901-09)
6793430 zdb -ivvvv assertion failure: bp->blk_cksum.zc_word[2] == dmu_objset_id(zilog->zl_os) (N/A)

10801:e0bf032e8673 (partial merge)
6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT (142901-09)

10810:b6b161a6ae4a
6892298 buf->b_hdr->b_state != arc_anon, file: ../../common/fs/zfs/arc.c, line: 2849 (142901-09)

10890:499786962772
6807339 spurious checksum errors when replacing a vdev (142901-13)

11249:6c30f7dfc97b
6906110 bad trap panic in zil_replay_log_record (142901-13)
6906946 zfs replay isn't handling uid/gid correctly (142901-13)

11454:6e69bacc1a5a
6898245 suspended zpool should not cause rest of the zfs/zpool commands to hang (142901-10)

11546:42ea6be8961b (partial merge)
6833999 3-way deadlock in dsl_dataset_hold_ref() and dsl_sync_task_group_sync() (142901-09)

MFC r211970:

Fix 'zfs allow' (maybe not only) returning:

        cannot access dataset system/usr/home: Operation not supported

by including libzfs_impl.h. What libzfs_impl.h does is to redefine ioctl() to
be compatible with OpenSolaris. More specifically OpenSolaris returns ENOMEM
when buffer is too small and sets field zc_nvlist_dst_size to the size that
will be big enough for the data. In FreeBSD case ioctl() doesn't copy data
structure back in case of a failure. We work-around it in kernel and libzfs by
returning 0 from ioctl() and always checking if zc_nvlist_dst_size hasn't
changed. For this work-around to work in pyzfs we need this compatible ioctl()
which is implemented in libzfs_impl.h.

MFC r211971:

Print errors on stderr.

MFC r211972:

Give user a hint what to do when /usr/lib/zfs/pyzfs.py is missing.

MFC r212050:

When upgrading a pool which contain root file system, give user a hint that
he should update boot code.

MFC r212605:

Add missing vop_vector zfsctl_ops_shares
Add missing locks around VOP_READDIR and VOP_GETATTR with z_shares_dir

MFC r212611:

Remove duplicated VFS_HOLD due to a mismerge.

Approved by:	delphij (mentor)
Obtained from:	OpenSolaris (multiple Bug IDs), Perforce (pjd)
Revision 1.5: download - view: text, markup, annotated - select for diffs
Mon Jul 12 23:49:04 2010 UTC (18 months, 4 weeks ago) by mm
Branches: MAIN
Diff to: previous 1.4: preferred, colored
Changes since revision 1.4: +1 -2 lines
SVN rev 209962 on 2010-07-12 23:49:04Z by mm

Merge ZFS version 15 and almost all OpenSolaris bugfixes referenced
in Solaris 10 updates 141445-09 and 142901-14.

Detailed information:
(OpenSolaris revisions and Bug IDs, Solaris 10 patch numbers)

7844:effed23820ae
6755435	zfs_open() and zfs_close() needs to use ZFS_ENTER/ZFS_VERIFY_ZP (141445-01)

7897:e520d8258820
6748436	inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up (141445-01)

7965:b795da521357
6740164	zpool attach can create an illegal root pool (141909-02)

8084:b811cc60d650
6769612	zpool_import() will continue to write to cachefile even if altroot is set (N/A)

8121:7fd09d4ebd9c
6757430	want an option for zdb to disable space map loading and leak tracking (141445-01)

8129:e4f45a0bfbb0
6542860	ASSERT: reason != VDEV_LABEL_REMOVE||vdev_inuse(vd, crtxg, reason, 0) (141445-01)

8188:fd00c0a81e80
6761100	want zdb option to select older uberblocks (141445-01)

8190:6eeea43ced42
6774886	zfs_setattr() won't allow ndmp to restore SUNWattr_rw (141445-01)

8225:59a9961c2aeb
6737463	panic while trying to write out config file if root pool import fails (141445-01)

8227:f7d7be9b1f56
6765294	Refactor replay (141445-01)

8228:51e9ca9ee3a5
6572357	libzfs should do more to avoid mnttab lookups (141909-01)
6572376	zfs_iter_filesystems and zfs_iter_snapshots get objset stats twice (141909-01)

8241:5a60f16123ba
6328632	zpool offline is a bit too conservative (141445-01)
6739487	ASSERT: txg <= spa_final_txg due to scrub/export race (141445-01)
6767129	ASSERT: cvd->vdev_isspare, in spa_vdev_detach() (141445-01)
6747698	checksum failures after offline -t / export / import / scrub (141445-01)
6745863	ZFS writes to disk after it has been offlined (141445-01)
6722540	50% slowdown on scrub/resilver with certain vdev configurations (141445-01)
6759999	resilver logic rewrites ditto blocks on both source and destination (141445-01)
6758107	I/O should never suspend during spa_load() (141445-01)
6776548	codereview(1) runs off the page when faced with multi-line comments (N/A)
6761406	AMD errata 91 workaround doesn't work on 64-bit systems (141445-01)

8242:e46e4b2f0a03
6770866	GRUB/ZFS should require physical path or devid, but not both (141445-01)

8269:03a7e9050cfd
6674216	"zfs share" doesn't work, but "zfs set sharenfs=on" does (141445-01)
6621164	$SRC/cmd/zfs/zfs_main.c seems to have a syntax error in the translation note (141445-01)
6635482	i18n problems in libzfs_dataset.c and zfs_main.c (141445-01)
6595194	"zfs get" VALUE column is as wide as NAME (141445-01)
6722991	vdev_disk.c: error checking for ddi_pathname_to_dev_t() must test for NODEV (141445-01)
6396518	ASSERT strings shouldn't be pre-processed (141445-01)

8274:846b39508aff
6713916	scrub/resilver needlessly decompress data (141445-01)

8343:655db2375fed
6739553	libzfs_status msgid table is out of sync (141445-01)
6784104	libzfs unfairly rejects numerical values greater than 2^63 (141445-01)
6784108	zfs_realloc() should not free original memory on failure (141445-01)

8525:e0e0e525d0f8
6788830	set large value to reservation cause core dump (141445-01)
6791064	want sysevents for ZFS scrub (141445-01)
6791066	need to be able to set cachefile on faulted pools (141445-01)
6791071	zpool_do_import() should not enable datasets on faulted pools (141445-01)
6792134	getting multiple properties on a faulted pool leads to confusion (141445-01)

8547:bcc7b46e5ff7
6792884	Vista clients cannot access .zfs (141445-01)

8632:36ef517870a3
6798384	It can take a village to raise a zio (141445-01)

8636:7e4ce9158df3
6551866	deadlock between zfs_write(), zfs_freesp(), and zfs_putapage() (141909-01)
6504953	zfs_getpage() misunderstands VOP_GETPAGE() interface (141909-01)
6702206	ZFS read/writer lock contention throttles sendfile() benchmark (141445-01)
6780491	Zone on a ZFS filesystem has poor fork/exec performance (141445-01)
6747596	assertion failed: DVA_EQUAL(BP_IDENTITY(&zio->io_bp_orig), BP_IDENTITY(zio->io_bp))); (141445-01)

8692:692d4668b40d
6801507	ZFS read aggregation should not mind the gap (141445-01)

8697:e62d2612c14d
6633095	creating a filesystem with many properties set is slow (141445-01)

8768:dfecfdbb27ed
6775697	oracle crashes when overwriting after hitting quota on zfs (141909-01)

8811:f8deccf701cf
6790687	libzfs mnttab caching ignores external changes (141445-01)
6791101	memory leak from libzfs_mnttab_init (141445-01)

8845:91af0d9c0790
6800942	smb_session_create() incorrectly stores IP addresses (N/A)
6582163	Access Control List (ACL) for shares (141445-01)
6804954	smb_search - shortname field should be space padded following the NULL terminator (N/A)
6800184	Panic at smb_oplock_conflict+0x35() (N/A)

8876:59d2e67b4b65
6803822	Reboot after replacement of system disk in a ZFS mirror drops to grub> prompt (141445-01)

8924:5af812f84759
6789318	coredump when issue zdb -uuuu poolname/ (141445-01)
6790345 zdb -dddd -e poolname coredump (141445-01)
6797109 zdb: 'zdb -dddddd pool_name/fs_name inode' coredump if the file with inode was deleted (141445-01)
6797118 zdb: 'zdb -dddddd poolname inum' coredump if I miss the fs name (141445-01)
6803343 shareiscsi=on failed, iscsitgtd failed request to share (141445-01)

9030:243fd360d81f
6815893	hang mounting a dataset after booting into a new boot environment (141445-01)

9056:826e1858a846
6809691	'zpool create -f' no longer overwrites ufs infomation (141445-01)

9179:d8fbd96b79b3
6790064	zfs needs to determine uid and gid earlier in create process (141445-01)

9214:8d350e5d04aa
6604992	forced unmount + being in .zfs/snapshot/<snap1> = not happy (141909-01)
6810367	assertion failed: dvp->v_flag & VROOT, file: ../../common/fs/gfs.c, line: 426 (141909-01)

9229:e3f8b41e5db4
6807765	ztest_dsl_dataset_promote_busy needs to clean up after ENOSPC (141445-01)

9230:e4561e3eb1ef
6821169	offlining a device results in checksum errors (141445-01)
6821170	ZFS should not increment error stats for unavailable devices (141445-01)
6824006	need to increase issue and interrupt taskqs threads in zfs (141445-01)

9234:bffdc4fc05c4
6792139	recovering from a suspended pool needs some work (141445-01)
6794830	reboot command hangs on a failed zfs pool (141445-01)

9246:67c03c93c071
6824062	System panicked in zfs_mount due to NULL pointer dereference when running btts and svvs tests (141909-01)

9276:a8a7fc849933
6816124	System crash running zpool destroy on broken zpool (141445-03)

9355:09928982c591
6818183	zfs snapshot -r is slow due to set_snap_props() doing txg_wait_synced() for each new snapshot (141445-03)

9391:413d0661ef33
6710376	log device can show incorrect status when other parts of pool are degraded (141445-03)

9396:f41cf682d0d3 (part already merged)
6501037	want user/group quotas on ZFS (141445-03)
6827260	assertion failed in arc_read(): hdr == pbuf->b_hdr (141445-03)
6815592	panic: No such hold X on refcount Y from zfs_znode_move (141445-03)
6759986	zfs list shows temporary %clone when doing online zfs recv (141445-03)

9404:319573cd93f8
6774713	zfs ignores canmount=noauto when sharenfs property != off (141445-03)

9412:4aefd8704ce0
6717022	ZFS DMU needs zero-copy support (141445-03)

9425:e7ffacaec3a8
6799895	spa_add_spares() needs to be protected by config lock (141445-03)
6826466	want to post sysevents on hot spare activation (141445-03)
6826468	spa 'allowfaulted' needs some work (141445-03)
6826469	kernel support for storing vdev FRU information (141445-03)
6826470	skip posting checksum errors from DTL regions of leaf vdevs (141445-03)
6826471	I/O errors after device remove probe can confuse FMA (141445-03)
6826472	spares should enjoy some of the benefits of cache devices (141445-03)

9443:2a96d8478e95
6833711	gang leaders shouldn't have to be logical (141445-03)

9463:d0bd231c7518
6764124	want zdb to be able to checksum metadata blocks only (141445-03)

9465:8372081b8019
6830237	zfs panic in zfs_groupmember() (141445-03)

9466:1fdfd1fed9c4
6833162	phantom log device in zpool status (141445-03)

9469:4f68f041ddcd
6824968	add ZFS userquota support to rquotad (141445-03)

9470:6d827468d7b5
6834217	godfather I/O should reexecute (141445-03)

9480:fcff33da767f
6596237	Stop looking and start ganging (141909-02)

9493:9933d599bc93
6623978	lwb->lwb_buf != NULL, file ../../../uts/common/fs/zfs/zil.c, line 787, function zil_lwb_commit (141445-06)

9512:64cafcbcc337
6801810	Commit of aligned streaming rewrites to ZIL device causes unwanted disk reads (N/A)

9515:d3b739d9d043
6586537	async zio taskqs can block out userland commands (142901-09)

9554:787363635b6a
6836768	zfs_userspace() callback has no way to indicate failure (N/A)

9574:1eb6a6ab2c57
6838062	zfs panics when an error is encountered in space_map_load() (141909-02)

9583:b0696cd037cc
6794136	Panic BAD TRAP: type=e when importing degraded zraid pool. (141909-03)

9630:e25a03f552e0
6776104	"zfs import" deadlock between spa_unload() and spa_async_thread() (141445-06)

9653:a70048a304d1
6664765	Unable to remove files when using fat-zap and quota exceeded on ZFS filesystem (141445-06)

9688:127be1845343
6841321	zfs userspace / zfs get userused@ doesn't work on mounted snapshot (N/A)
6843069	zfs get userused@S-1-... doesn't work (N/A)

9873:8ddc892eca6e
6847229	assertion failed: refcount_count(&tx->tx_space_written) + delta <= tx->tx_space_towrite in dmu_tx.c (141445-06)

9904:d260bd3fd47c
6838344	kernel heap corruption detected on zil while stress testing (141445-06)

9951:a4895b3dd543
6844900	zfs_ioc_userspace_upgrade leaks (N/A)

10040:38b25aeeaf7a
6857012	zfs panics on zpool import (141445-06)

10000:241a51d8720c
6848242	zdb -e no longer works as expected (N/A)

10100:4a6965f6bef8
6856634	snv_117 not booting: zfs_parse_bootfs: error2 (141445-07)

10160:a45b03783d44
6861983	zfs should use new name <-> SID interfaces (N/A)
6862984	userquota commands can hang (141445-06)

10299:80845694147f
6696858	zfs receive of incremental replication stream can dereference NULL pointer and crash (N/A)

10302:a9e3d1987706
6696858	zfs receive of incremental replication stream can dereference NULL pointer and crash (fix lint) (N/A)

10575:2a8816c5173b (partial merge)
6882227 spa_async_remove() shouldn't do a full clear (142901-14)

10800:469478b180d9
6880764	fsync on zfs is broken if writes are greater than 32kb on a hard crash and no log attached (142901-09)
6793430 zdb -ivvvv assertion failure: bp->blk_cksum.zc_word[2] == dmu_objset_id(zilog->zl_os) (N/A)

10801:e0bf032e8673 (partial merge)
6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT (142901-09)

10810:b6b161a6ae4a
6892298 buf->b_hdr->b_state != arc_anon, file: ../../common/fs/zfs/arc.c, line: 2849 (142901-09)

10890:499786962772
6807339	spurious checksum errors when replacing a vdev (142901-13)

11249:6c30f7dfc97b
6906110 bad trap panic in zil_replay_log_record (142901-13)
6906946 zfs replay isn't handling uid/gid correctly (142901-13)

11454:6e69bacc1a5a
6898245 suspended zpool should not cause rest of the zfs/zpool commands to hang (142901-10)

11546:42ea6be8961b (partial merge)
6833999 3-way deadlock in dsl_dataset_hold_ref() and dsl_sync_task_group_sync() (142901-09)

Discussed with:	pjd
Approved by:	delphij (mentor)
Obtained from:	OpenSolaris (multiple Bug IDs)
MFC after:	2 months
Revision 1.3.2.2: download - view: text, markup, annotated - select for diffs
Wed May 20 23:34:59 2009 UTC (2 years, 8 months ago) by kmacy
Branches: RELENG_7
CVS tags: RELENG_7_4_BP, RELENG_7_4_0_RELEASE, RELENG_7_4, RELENG_7_3_BP, RELENG_7_3_0_RELEASE, RELENG_7_3
Diff to: previous 1.3.2.1: preferred, colored; next MAIN 1.4: preferred, colored
Changes since revision 1.3.2.1: +29 -12 lines
SVN rev 192498 on 2009-05-20 23:34:59Z by kmacy

MFC ZFS version 13. This includes the changes by pjd (see original message
below) as well as the following:

- the recurring deadlock was fixed by deferring vinactive to a dedicated thread

- zfs boot for all pool types now works
      Submitted by: dfr

- kmem now goes up to 512GB so arc is now limited by physmem

- the arc now experiences backpressure from the vm (which can be too
much - but this allows ZFS to work without any tunables on amd64)

- frequently recurring LOR in the ARC fixed

- zfs send coredump fix

- fixes for various PRs

Supported by: Barrett Lyon, BitGravity

Revision 185029 - (view) (annotate) - [select for diffs]
Modified Mon Nov 17 20:49:29 2008 UTC (6 months ago) by pjd
File length: 38244 byte(s)
Diff to previous 177698

Update ZFS from version 6 to 13 and bring some FreeBSD-specific changes.

This bring huge amount of changes, I'll enumerate only user-visible changes:

- Delegated Administration

       Allows regular users to perform ZFS operations, like file system
       creation, snapshot creation, etc.

- L2ARC

       Level 2 cache for ZFS - allows to use additional disks for cache.
       Huge performance improvements mostly for random read of mostly
       static content.

- slog

       Allow to use additional disks for ZFS Intent Log to speed up
       operations like fsync(2).

- vfs.zfs.super_owner

       Allows regular users to perform privileged operations on files stored
       on ZFS file systems owned by him. Very careful with this one.

- chflags(2)

       Not all the flags are supported. This still needs work.

- ZFSBoot

       Support to boot off of ZFS pool. Not finished, AFAIK.

       Submitted by:   dfr

- Snapshot properties

- New failure modes

       Before if write requested failed, system paniced. Now one
       can select from one of three failure modes:

       Before if write requested failed, system paniced. Now one
       can select from one of three failure modes:
       - panic - panic on write error
       - wait - wait for disk to reappear
       - continue - serve read requests if possible, block write requests

- Refquota, refreservation properties

       Just quota and reservation properties, but don't count space consumed
       by children file systems, clones and snapshots.

 - Sparse volumes

       ZVOLs that don't reserve space in the pool.

 - External attributes

       Compatible with extattr(2).

 - NFSv4-ACLs

       Not sure about the status, might not be complete yet.

       Submitted by:   trasz

 - Creation-time properties

 - Regression tests for zpool(8) command.

 Obtained from:        OpenSolaris
Revision 1.4: download - view: text, markup, annotated - select for diffs
Mon Nov 17 20:49:29 2008 UTC (3 years, 2 months ago) by pjd
Branches: MAIN
CVS tags: RELENG_8_BP, RELENG_8_1_BP, RELENG_8_1_0_RELEASE, RELENG_8_1, RELENG_8_0_BP, RELENG_8_0_0_RELEASE, RELENG_8_0
Branch point for: RELENG_8
Diff to: previous 1.3: preferred, colored
Changes since revision 1.3: +29 -12 lines
SVN rev 185029 on 2008-11-17 20:49:29Z by pjd

Update ZFS from version 6 to 13 and bring some FreeBSD-specific changes.

This bring huge amount of changes, I'll enumerate only user-visible changes:

- Delegated Administration

	Allows regular users to perform ZFS operations, like file system
	creation, snapshot creation, etc.

- L2ARC

	Level 2 cache for ZFS - allows to use additional disks for cache.
	Huge performance improvements mostly for random read of mostly
	static content.

- slog

	Allow to use additional disks for ZFS Intent Log to speed up
	operations like fsync(2).

- vfs.zfs.super_owner

	Allows regular users to perform privileged operations on files stored
	on ZFS file systems owned by him. Very careful with this one.

- chflags(2)

	Not all the flags are supported. This still needs work.

- ZFSBoot

	Support to boot off of ZFS pool. Not finished, AFAIK.

	Submitted by:	dfr

- Snapshot properties

- New failure modes

	Before if write requested failed, system paniced. Now one
	can select from one of three failure modes:
	- panic - panic on write error
	- wait - wait for disk to reappear
	- continue - serve read requests if possible, block write requests

- Refquota, refreservation properties

	Just quota and reservation properties, but don't count space consumed
	by children file systems, clones and snapshots.

- Sparse volumes

	ZVOLs that don't reserve space in the pool.

- External attributes

	Compatible with extattr(2).

- NFSv4-ACLs

	Not sure about the status, might not be complete yet.

	Submitted by:	trasz

- Creation-time properties

- Regression tests for zpool(8) command.

Obtained from:	OpenSolaris
Revision 1.3.2.1: download - view: text, markup, annotated - select for diffs
Thu Apr 17 01:23:35 2008 UTC (3 years, 9 months ago) by jb
Branches: RELENG_7
CVS tags: RELENG_7_2_BP, RELENG_7_2_0_RELEASE, RELENG_7_2, RELENG_7_1_BP, RELENG_7_1_0_RELEASE, RELENG_7_1
Diff to: previous 1.3: preferred, colored
Changes since revision 1.3: +0 -0 lines
MFC. The great CDDL file move.

These files were repocopied for HEAD. The repo copy process renames
tags, adding a prefix of 'old_', so the history for these files is
in old_RELENG_7 etc.
Revision 1.3: download - view: text, markup, annotated - select for diffs
Fri Mar 28 22:16:11 2008 UTC (3 years, 10 months ago) by jb
Branches: MAIN
Branch point for: RELENG_7
Diff to: previous 1.2: preferred, colored
Changes since revision 1.2: +0 -0 lines
Forced commit to note that these files were repo copied.
Revision 1.2: download - view: text, markup, annotated - select for diffs
Sun Apr 8 16:29:25 2007 UTC (4 years, 10 months ago) by pjd
Branches: MAIN
CVS tags: old_RELENG_7_BP, old_RELENG_7_0_BP, old_RELENG_7_0_0_RELEASE, old_RELENG_7_0, old_RELENG_7
Diff to: previous 1.1: preferred, colored
Changes since revision 1.1: +2 -1 lines
MFp4: Synchronize with recent OpenSolaris changes.
Revision 1.1: download - view: text, markup, annotated - select for diffs
Fri Apr 6 01:09:03 2007 UTC (4 years, 10 months ago) by pjd
Branches: MAIN
Please welcome ZFS - The last word in file systems.

ZFS file system was ported from OpenSolaris operating system. The code in under
CDDL license.

I'd like to thank all SUN developers that created this great piece of software.

Supported by:	Wheel LTD (http://www.wheel.pl/)
Supported by:	The FreeBSD Foundation (http://www.freebsdfoundation.org/)
Supported by:	Sentex (http://www.sentex.net/)
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