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This feature allows copying existing bookmarks using
zfs bookmark fs#target fs#newbookmark
There are some niche use cases for such functionality,
e.g. when using bookmarks as markers for replication progress.
Copying redaction bookmarks produces a normal bookmark that
cannot be used for redacted send (we are not duplicating
the redaction object).
ZCP support for bookmarking (both creation and copying) will be
implemented in a separate patch based on this work.
Overview:
- Terminology:
- source = existing snapshot or bookmark
- new/bmark = new bookmark
- Implement bookmark copying in `dsl_bookmark.c`
- create new bookmark node
- copy source's `zbn_phys` to new's `zbn_phys`
- zero-out redaction object id in copy
- Extend existing bookmark ioctl nvlist schema to accept
bookmarks as sources
- => `dsl_bookmark_create_nvl_validate` is authoritative
- use `dsl_dataset_is_before` check for both snapshot
and bookmark sources
- Adjust CLI
- refactor shortname expansion logic in `zfs_do_bookmark`
- Update man pages
- warn about redaction bookmark handling
- Add test cases
- CLI
- pyyzfs libzfs_core bindings
Reviewed-by: Matt Ahrens <[email protected]>
Reviewed-by: Paul Dagnelie <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Christian Schwarz <[email protected]>
Closes #9571
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This change restricts filesystem creation if the given name
contains either '.' or '..'
Reviewed-by: Matt Ahrens <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Richard Elling <[email protected]>
Signed-off-by: TulsiJain <[email protected]>
Closes #8842
Closes #8564
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Datasets that are deeply nested (~100 levels) are impractical. We just
put a limit of 50 levels to newly created datasets. Existing datasets
should work without a problem.
The problem can be seen by attempting to create a dataset using the -p
option with many levels:
panic[cpu0]/thread=ffffff01cd282c20: BAD TRAP: type=8 (#df Double fault) rp=ffffffff
fffffffffbc3aa60 unix:die+100 ()
fffffffffbc3ab70 unix:trap+157d ()
ffffff00083d7020 unix:_patch_xrstorq_rbx+196 ()
ffffff00083d7050 zfs:dbuf_rele+2e ()
...
ffffff00083d7080 zfs:dsl_dir_close+32 ()
ffffff00083d70b0 zfs:dsl_dir_evict+30 ()
ffffff00083d70d0 zfs:dbuf_evict_user+4a ()
ffffff00083d7100 zfs:dbuf_rele_and_unlock+87 ()
ffffff00083d7130 zfs:dbuf_rele+2e ()
... The block above repeats once per directory in the ...
... create -p command, working towards the root ...
ffffff00083db9f0 zfs:dsl_dataset_drop_ref+19 ()
ffffff00083dba20 zfs:dsl_dataset_rele+42 ()
ffffff00083dba70 zfs:dmu_objset_prefetch+e4 ()
ffffff00083dbaa0 zfs:findfunc+23 ()
ffffff00083dbb80 zfs:dmu_objset_find_spa+38c ()
ffffff00083dbbc0 zfs:dmu_objset_find+40 ()
ffffff00083dbc20 zfs:zfs_ioc_snapshot_list_next+4b ()
ffffff00083dbcc0 zfs:zfsdev_ioctl+347 ()
ffffff00083dbd00 genunix:cdev_ioctl+45 ()
ffffff00083dbd40 specfs:spec_ioctl+5a ()
ffffff00083dbdc0 genunix:fop_ioctl+7b ()
ffffff00083dbec0 genunix:ioctl+18e ()
ffffff00083dbf10 unix:brand_sys_sysenter+1c9 ()
Porting notes:
* Added zfs_max_dataset_nesting module option with documentation.
* Updated zfs_rename_014_neg.ksh for Linux.
* Increase the zfs.sh stack warning to 15K. Enough time has passed
that 16K can be reasonably assumed to be the default value. It
was increased in the 3.15 kernel released in June of 2014.
Authored by: Serapheim Dimitropoulos <[email protected]>
Reviewed by: John Kennedy <[email protected]>
Reviewed by: Matt Ahrens <[email protected]>
Ported-by: Brian Behlendorf <[email protected]>
Approved by: Garrett D'Amore <[email protected]>
OpenZFS-issue: https://www.illumos.org/issues/9330
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/757a75a
Closes #7681
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Authored by: Marcel Telka <[email protected]>
Reviewed by: Simon Klinkert <[email protected]>
Reviewed by: Paul Dagnelie <[email protected]>
Approved by: Matthew Ahrens <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Ported-by: George Melikov <[email protected]>
OpenZFS-issue: https://www.illumos.org/issues/7386
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/edb901a
Closes #5666
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4369 implement zfs bookmarks
4368 zfs send filesystems from readonly pools
Reviewed by: Christopher Siden <[email protected]>
Reviewed by: George Wilson <[email protected]>
Approved by: Garrett D'Amore <[email protected]>
References:
https://www.illumos.org/issues/4369
https://www.illumos.org/issues/4368
https://github.com/illumos/illumos-gate/commit/78f1710
Ported by: Tim Chase <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #2530
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One of the neat tricks an autoconf style project is capable of
is allow configurion/building in a directory other than the
source directory. The major advantage to this is that you can
build the project various different ways while making changes
in a single source tree.
For example, this project is designed to work on various different
Linux distributions each of which work slightly differently. This
means that changes need to verified on each of those supported
distributions perferably before the change is committed to the
public git repo.
Using nfs and custom build directories makes this much easier.
I now have a single source tree in nfs mounted on several different
systems each running a supported distribution. When I make a
change to the source base I suspect may break things I can
concurrently build from the same source on all the systems each
in their own subdirectory.
wget -c http://github.com/downloads/behlendorf/zfs/zfs-x.y.z.tar.gz
tar -xzf zfs-x.y.z.tar.gz
cd zfs-x-y-z
------------------------- run concurrently ----------------------
<ubuntu system> <fedora system> <debian system> <rhel6 system>
mkdir ubuntu mkdir fedora mkdir debian mkdir rhel6
cd ubuntu cd fedora cd debian cd rhel6
../configure ../configure ../configure ../configure
make make make make
make check make check make check make check
This change also moves many of the include headers from individual
incude/sys directories under the modules directory in to a single
top level include directory. This has the advantage of making
the build rules cleaner and logically it makes a bit more sense.
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