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* ZTS: Reverse constrained path lookup orderRyan Moeller2020-01-291-2/+5
| | | | | | | | | | | | FreeBSD base system zfs utils are in /sbin. ZoF utils install to /usr/local/sbin. Ensure we link to the ZoF utils not the base utils when searching for utils to constrain paths to for the tests. Reviewed-by: John Kennedy <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9906
* scripts/zfs-test.sh: example for -tChristian Schwarz2020-01-231-0/+3
| | | | | | | | Add an example for running a single test case. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Christian Schwarz <[email protected]> Closes #9878
* Add FreeBSD core handling in zloop.shRyan Moeller2020-01-022-15/+31
| | | | | | | And use the correct path to libtool and ztest. Reviewed-By: Brian Behlendorf <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9790
* Update zfs.sh work on FreeBSDRyan Moeller2019-12-192-16/+54
| | | | | | | | Extend the zfs.sh script to load and unload zfs kmods on FreeBSD. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Kjeld Schouten <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9746
* Update ZTS to work on FreeBSDMatthew Macy2019-12-181-45/+121
| | | | | | | | | | | | Update the common ZTS scripts and individual test cases as needed in order to allow them to be run on FreeBSD. The high level goal is to provide compatibility wrappers whenever possible to minimize changes to individual test cases. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: John Kennedy <[email protected]> Signed-off-by: Matt Macy <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9692
* Move platform independent tests to a shared runfileRyan Moeller2019-10-091-20/+28
| | | | | | | | | | | | | | | | | | | Tests that aren't limited to running on Linux can be moved to a common runfile to be shared with other platforms. The test runner and wrapper script are enhanced to allow specifying multiple runfiles as a comma-separated list. The default runfiles are now "common.run,PLATFORM.run" where PLATFORM is determined at run time. Sections in runfiles that share a path with another runfile can append a colon separator and an identifier to the path in the section name, ie `[tests/functional/atime:Linux]`, to avoid overriding the tests specified by other runfiles. Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: John Kennedy <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9391
* kmodtool: depmod pathBrian Behlendorf2019-09-111-7/+19
| | | | | | | | | | | | | | | Determine the location of depmod on the system, either /sbin/depmod or /usr/sbin/depmod. Then use that path when generating the specfile. Additionally, update the Requires lines to reference the package which provides depmod rather than the binary itself. For CentOS/RHEL 7+8 and all supported Fedora releases this is the kmod package, and for CentOS/RHEL 6 it is the module-init-tools package. Reviewed-by: Minh Diep <[email protected]> Signed-off-by: Olaf Faaland <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #8724 Closes #9310
* Fix typosAndrea Gelmini2019-09-021-3/+3
| | | | | | | Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Andrea Gelmini <[email protected]> Closes #9251
* Split argument list, satisfy shellcheck SC2086Ryan Moeller2019-08-251-6/+13
| | | | | | | | | | | | | | | | | | | Split the arguments for ${TEST_RUNNER} across multiple lines for clarity. Also added quotes in the message to match the invoked command. Unquoted variables in argument lists are subject to splitting. In this particular case we can't quote the variable because it is an optional argument. Use the method suggested in the description linked below, instead. The technique is to use an unquoted variable with an alternate value. https://github.com/koalaman/shellcheck/wiki/SC2086 Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: John Kennedy <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #9212
* Fix out-of-tree build failuresBrian Behlendorf2019-06-241-2/+3
| | | | | | | | | | | | | | | | | | | | Resolve the incorrect use of srcdir and builddir references for various files in the build system. These have crept in over time and went unnoticed because when building in the top level directory srcdir and builddir are identical. With this change it's again possible to build in a subdirectory. $ mkdir obj $ cd obj $ ../configure $ make Reviewed-by: loli10K <[email protected]> Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Don Brady <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #8921 Closes #8943
* Fix %post and %postun generation in kmodtoolSamuel VERSCHELDE2019-06-101-2/+2
| | | | | | | | | | | | During zfs-kmod RPM build, $(uname -r) gets unintentionally evaluated on the build host, once and for all. It should be evaluated during the execution of the scriptlets on the installation host. Escaping the $ character avoids evaluating it during build. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Olaf Faaland <[email protected]> Reviewed-by: Neal Gompa <[email protected]> Signed-off-by: Samuel Verschelde <[email protected]> Closes #8866
* Avoid updating zfs_gitrev.h when rev is unchangedJorgen Lundman2019-06-061-0/+4
| | | | | | | | | | Build process would always re-compile spa_history.c due to touching zfs_gitrev.h - avoid if no change in gitrev. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Chris Dunlop <[email protected]> Reviewed-by: Allan Jude <[email protected]> Signed-off-by: Jorgen Lundman <[email protected]> Closes #8860
* Add zol2zfs-patch.sed to Makefile.am and sortRichard Laager2019-05-081-2/+3
| | | | | | | | | | | In adding man-dates.sh, I noticed that zol2zfs-patch.sed was missing, even though zfs2zol-patch.sed was present. Also, the list was not sorted, so I sorted it. Reviewed-by: Olaf Faaland <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Laager <[email protected]> Closes #8710
* Correct man page datesRichard Laager2019-05-082-0/+13
| | | | | | | | | | | Various changes (many by me) have been made to the man pages without bumping their dates. I have now corrected them based on the last commit to each file. I also added the script I used to make these changes. Reviewed-by: Olaf Faaland <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Laager <[email protected]> Closes #8710
* OpenZFS 9185 - Enable testing over NFS in ZFS performance testsAhmed Ghanem2019-02-041-1/+8
| | | | | | | | | | | | | | | | | | | | This change makes additions to the ZFS test suite that allows the performance tests to run over NFS. The test is run and performance data collected from the server side, while IO is generated on the NFS client. This has been tested with Linux and illumos NFS clients. Authored by: Ahmed Ghanem <[email protected]> Reviewed by: Dan Kimmel <[email protected]> Reviewed by: John Kennedy <[email protected]> Reviewed by: Kevin Greene <[email protected]> Reviewed-by: Richard Elling <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Ported-by: John Kennedy <[email protected]> Signed-off-by: John Kennedy <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/9185 Closes #8367
* shellcheck passbunder20152019-02-041-2/+2
| | | | | | | | | | note: which is non-standard. Use builtin 'command -v' instead. [SC2230] note: Use -n instead of ! -z. [SC2236] Reviewed-by: George Melikov <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: bunder2015 <[email protected]> Closes #8367
* dkms: Enable debuginfo option to be set with zfs sysconfig fileNeal Gompa (ニール・ゴンパ)2019-01-181-0/+4
| | | | | | | | | | | | | | | | On some Linux distributions, the kernel module build will not default to building with debuginfo symbols, which can make it difficult for debugging and testing. For this case, we provide a flag to override the build to force debuginfo to be produced for the kernel module build. Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Neal Gompa <[email protected]> Co-authored-by: Simon Watson <[email protected]> Signed-off-by: Neal Gompa <[email protected]> Signed-off-by: Simon Watson <[email protected]> Closes #8304
* Bump commit subject length to 72 charactersNeal Gompa (ニール・ゴンパ)2019-01-081-3/+3
| | | | | | | | | | | | | There's not really a reason to keep the subject length so short, since the reason to make it this short was for making nice renders of a summary list of the git log. With 72 characters, this still works out fine, so let's just raise it to that so that it's easier to give slightly more descriptive change summaries. Reviewed by: Matt Ahrens <[email protected]> Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Neal Gompa <[email protected]> Closes #8250
* arc_summary: consolidate test caseBrian Behlendorf2019-01-061-0/+4
| | | | | | | | | | | | | | Since we're only installing one version of arc_summary we only need one test case. Update the test to determine which version is available and then test its supported flags. Remove files for misc tests which should have been cleaned up. Reviewed-by: John Ramsden <[email protected]> Reviewed-by: Neal Gompa <[email protected]> Reviewed-by: loli10K <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #8096
* Do not enable stack tracer for ZFS performance testTony Nguyen2018-12-072-6/+21
| | | | | | | | | | | | | | Linux ZFS test suite runs with /proc/sys/kernel/stack_tracer_enabled=1, via zfs.sh script, which has negative performance impact, up to 40%. Since large stack is a rare issue now, preferred behavior would be: - making stack tracer an opt-in feature for zfs.sh - zfs-test.sh enables stack tracer only when requested Reviewed-by: George Melikov <[email protected]> Reviewed-by: Richard Elling <[email protected]> Reviewed-by: John Kennedy <[email protected]> Signed-off-by: Tony Nguyen <[email protected]> #8173
* Make gitrev more reliableMatthew Ahrens2018-10-221-3/+1
| | | | | | | | | | | | | | | | In some build methods, the gitrev is unnecessarily set to "unknown". We can improve this by changing the gitrev to use `git describe --always --long --dirty`. This gets the revision even when no tag matches (--always). It prints the hash even when it exactly matches a tag (--long). And if there are uncommitted changes, it appends "-dirty", rather than failing (--dirty). Reviewed-by: George Melikov <[email protected]> Reviewed by: Pavel Zakharov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Matthew Thode <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Closes #8034
* Allow copy-builtin to work with modified sourcesMatthew Thode2018-10-171-24/+13
| | | | | | | | | | | | | | `scripts/make_gitrev.sh` had 'set -e' so if any command failed it would fail and cause copy-builtin to fail (copy-builtin also has `set -e`. This commit also simplifies scripts/make_gitrev.sh to always write a file by using a cleanup function. It also simplifies other areas of the script as well (making it much shorter). Reviewed-by: John Kennedy <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matthew Thode <[email protected]> Closes #8022 Closes #8025
* OpenZFS 9689 - zfs range lock code should not be zpl-specificMatt Ahrens2018-10-111-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ZFS range locking code in zfs_rlock.c/h depends on ZPL-specific data structures, specifically znode_t. However, it's also used by the ZVOL code, which uses a "dummy" znode_t to pass to the range locking code. We should clean this up so that the range locking code is generic and can be used equally by ZPL and ZVOL, and also can be used by future consumers that may need to run in userland (libzpool) as well as the kernel. Porting notes: * Added missing sys/avl.h include to sys/zfs_rlock.h. * Removed 'dbuf is within the locked range' ASSERTs from dmu_sync(). This was needed because ztest does not yet use a locked_range_t. * Removed "Approved by:" tag requirement from OpenZFS commit check to prevent needless warnings when integrating changes which has not been merged to illumos. * Reverted free_list range lock changes which were originally needed to defer the cv_destroy() which was called immediately after cv_broadcast(). With d2733258 this should be safe but if not we may need to reintroduce this logic. * Reverts: The following two commits were reverted and squashed in to this change in order to make it easier to apply OpenZFS 9689. - d88895a0, which removed the dummy znode from zvol_state - e3a07cd0, which updated ztest to use range locks * Preserved optimized rangelock comparison function. Preserved the rangelock free list. The cv_destroy() function will block waiting for all processes in cv_wait() to be scheduled and drop their reference. This is done to ensure it's safe to free the condition variable. However, blocking while holding the rl->rl_lock mutex can result in a deadlock on Linux. A free list is introduced to defer the cv_destroy() and kmem_free() until after the mutex is released. Authored by: Matthew Ahrens <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Reviewed by: Serapheim Dimitropoulos <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Brad Lewis <[email protected]> Ported-by: Brian Behlendorf <[email protected]> OpenZFS-issue: https://illumos.org/issues/9689 OpenZFS-commit: https://github.com/openzfs/openzfs/pull/680 External-issue: DLPX-58662 Closes #7980
* Create /proc/sys/kernel/spl/gitrev with git hashMatthew Ahrens2018-10-082-0/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The existing mechanisms for determining what code is running in the kernel do not always correctly report the git hash. The versions reported there do not reflect changes made since `configure` was run (i.e. incremental builds do not update the version) and they are misleading if git tags are not set up properly. This applies to `modinfo zfs`, `dmesg`, and `/sys/module/zfs/version`. There are complicated requirements on how the existing version is generated. Therefore we are leaving that alone, and adding a new mechanism to record and retrieve the git hash: `cat /proc/sys/kernel/spl/gitrev` The gitrev is re-generated at compile time, when running `make` (including for incremental builds). The value is the output of `git describe` (or "unknown" if not in a git repo or there are uncommitted changes). We're also removing /proc/sys/kernel/spl/version, which was never very useful. Reviewed by: Pavel Zakharov <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Reviewed by: Tim Chase <[email protected]> Signed-off-by: Matthew Ahrens <[email protected]> Closes #7931 Closes #7965
* Direct IO supportBrian Behlendorf2018-08-271-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Direct IO via the O_DIRECT flag was originally introduced in XFS by IRIX for database workloads. Its purpose was to allow the database to bypass the page and buffer caches to prevent unnecessary IO operations (e.g. readahead) while preventing contention for system memory between the database and kernel caches. On Illumos, there is a library function called directio(3C) that allows user space to provide a hint to the file system that Direct IO is useful, but the file system is free to ignore it. The semantics are also entirely a file system decision. Those that do not implement it return ENOTTY. Since the semantics were never defined in any standard, O_DIRECT is implemented such that it conforms to the behavior described in the Linux open(2) man page as follows. 1. Minimize cache effects of the I/O. By design the ARC is already scan-resistant which helps mitigate the need for special O_DIRECT handling. Data which is only accessed once will be the first to be evicted from the cache. This behavior is in consistent with Illumos and FreeBSD. Future performance work may wish to investigate the benefits of immediately evicting data from the cache which has been read or written with the O_DIRECT flag. Functionally this behavior is very similar to applying the 'primarycache=metadata' property per open file. 2. O_DIRECT _MAY_ impose restrictions on IO alignment and length. No additional alignment or length restrictions are imposed. 3. O_DIRECT _MAY_ perform unbuffered IO operations directly between user memory and block device. No unbuffered IO operations are currently supported. In order to support features such as transparent compression, encryption, and checksumming a copy must be made to transform the data. 4. O_DIRECT _MAY_ imply O_DSYNC (XFS). O_DIRECT does not imply O_DSYNC for ZFS. Callers must provide O_DSYNC to request synchronous semantics. 5. O_DIRECT _MAY_ disable file locking that serializes IO operations. Applications should avoid mixing O_DIRECT and normal IO or mmap(2) IO to the same file. This is particularly true for overlapping regions. All I/O in ZFS is locked for correctness and this locking is not disabled by O_DIRECT. However, concurrently mixing O_DIRECT, mmap(2), and normal I/O on the same file is not recommended. This change is implemented by layering the aops->direct_IO operations on the existing AIO operations. Code already existed in ZFS on Linux for bypassing the page cache when O_DIRECT is specified. References: * http://xfs.org/docs/xfsdocs-xml-dev/XFS_User_Guide/tmp/en-US/html/ch02s09.html * https://blogs.oracle.com/roch/entry/zfs_and_directio * https://ext4.wiki.kernel.org/index.php/Clarifying_Direct_IO's_Semantics * https://illumos.org/man/3c/directio Reviewed-by: Richard Elling <[email protected]> Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #224 Closes #7823
* OpenZFS 9330 - stack overflow when creating a deeply nested datasetSerapheim Dimitropoulos2018-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* ZTS: Adopt OpenZFS test analysis scriptBrian Behlendorf2018-06-202-2/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adopt and extend the OpenZFS ZTS results analysis script for use with ZFS on Linux. This allows for automatic analysis of tests which may be skipped for a variety or reasons or which are not entirely reliable. In addition to the list of 'known' failures, which have been updated for ZFS on Linux, there in a new 'maybe' section. This mapping include tests which might be correctly skipped depending on the test environment. This may be because of a missing dependency or lack of required kernel support. This list also includes tests which normally pass but might on occasion fail for a harmless reason. The script was also extended include a reason for why a given test might be skipped or may fail. The reason will be included after the test in the "results other than PASS that are expected" section. For failures it is preferable to set the reason to the GitHub issue number and for skipped tests several generic reasons are available. You may also specify a custom reason if needed. All tests were added back in to the linux.run file even if they are expected to failed. There is value in running tests which may not pass, the expected results for these tests has been encoded in the new analysis script. All tests which were disabled because they ran more slowly on a 32-bit system have been re-enabled. Developers working on 32-bit systems should assess what it reasonable for their environment. The unnecessary dependency on physical block devices was removed for the checksum, grow_pool, and grow_replicas test groups so they are no longer skipped. Updated the filetest_001_pos test case to run properly now that it is enabled and moved the grow tests in to a single directory. Reviewed-by: Prakash Surya <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #7638
* Update build system and packagingBrian Behlendorf2018-05-295-86/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Minimal changes required to integrate the SPL sources in to the ZFS repository build infrastructure and packaging. Build system and packaging: * Renamed SPL_* autoconf m4 macros to ZFS_*. * Removed redundant SPL_* autoconf m4 macros. * Updated the RPM spec files to remove SPL package dependency. * The zfs package obsoletes the spl package, and the zfs-kmod package obsoletes the spl-kmod package. * The zfs-kmod-devel* packages were updated to add compatibility symlinks under /usr/src/spl-x.y.z until all dependent packages can be updated. They will be removed in a future release. * Updated copy-builtin script for in-kernel builds. * Updated DKMS package to include the spl.ko. * Updated stale AUTHORS file to include all contributors. * Updated stale COPYRIGHT and included the SPL as an exception. * Renamed README.markdown to README.md * Renamed OPENSOLARIS.LICENSE to LICENSE. * Renamed DISCLAIMER to NOTICE. Required code changes: * Removed redundant HAVE_SPL macro. * Removed _BOOT from nvpairs since it doesn't apply for Linux. * Initial header cleanup (removal of empty headers, refactoring). * Remove SPL repository clone/build from zimport.sh. * Use of DEFINE_RATELIMIT_STATE and DEFINE_SPINLOCK removed due to build issues when forcing C99 compilation. * Replaced legacy ACCESS_ONCE with READ_ONCE. * Include needed headers for `current` and `EXPORT_SYMBOL`. Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Olaf Faaland <[email protected]> Reviewed-by: Matthew Ahrens <[email protected]> Reviewed-by: Pavel Zakharov <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> TEST_ZIMPORT_SKIP="yes" Closes #7556
* Support Debian DKMS buildsAntonio Russo2018-05-261-1/+16
| | | | | | | | | | | | | | | scripts/dkms.mkconf calls configure with `--with-linux=${kernel_source_dir}`, but Debian puts it kernel source at `/lib/modules/<version>/source`. This patch adds the same logic to the DKMS file produced by `scripts/dkms.mkconf` that Debian has shipped in its official ZFS packaging: at DKMS build time, it checks if the system is a Debian system, and adjusts the path accordingly. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Antonio Russo <[email protected]> Closes #7358 Closes #7540 Closes #7554
* Adopt pyzfs from ClusterHQloli10K2018-05-012-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit introduces several changes: * Update LICENSE and project information * Give a good PEP8 talk to existing Python source code * Add RPM/DEB packaging for pyzfs * Fix some outstanding issues with the existing pyzfs code caused by changes in the ABI since the last time the code was updated * Integrate pyzfs Python unittest with the ZFS Test Suite * Add missing libzfs_core functions: lzc_change_key, lzc_channel_program, lzc_channel_program_nosync, lzc_load_key, lzc_receive_one, lzc_receive_resumable, lzc_receive_with_cmdprops, lzc_receive_with_header, lzc_reopen, lzc_send_resume, lzc_sync, lzc_unload_key, lzc_remap Note: this commit slightly changes zfs_ioc_unload_key() ABI. This allow to differentiate the case where we tried to unload a key on a non-existing dataset (ENOENT) from the situation where a dataset has no key loaded: this is consistent with the "change" case where trying to zfs_ioc_change_key() from a dataset with no key results in EACCES. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: loli10K <[email protected]> Closes #7230
* Eliminate trailing spaces in DISKSTim Chase2018-04-131-2/+10
| | | | | | | | | The zfs-tests.sh driver script could add spaces to the end of $DISKS which defeates shell-based parsing with constructs such as ${DISKS##* }. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tim Chase <[email protected]> Issue #6900
* Fix free memory calculation on v3.14+chrisrd2018-02-232-0/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provide infrastructure to auto-configure to enum and API changes in the global page stats used for our free memory calculations. arc_free_memory has been broken since an API change in Linux v3.14: 2016-07-28 v4.8 599d0c95 mm, vmscan: move LRU lists to node 2016-07-28 v4.8 75ef7184 mm, vmstat: add infrastructure for per-node vmstats These commits moved some of global_page_state() into global_node_page_state(). The API change was particularly egregious as, instead of breaking the old code, it silently did the wrong thing and we continued using global_page_state() where we should have been using global_node_page_state(), thus indexing into the wrong array via NR_SLAB_RECLAIMABLE et al. There have been further API changes along the way: 2017-07-06 v4.13 385386cf mm: vmstat: move slab statistics from zone to node counters 2017-09-06 v4.14 c41f012a mm: rename global_page_state to global_zone_page_state ...and various (incomplete, as it turns out) attempts to accomodate these changes in ZoL: 2017-08-24 2209e409 Linux 4.8+ compatibility fix for vm stats 2017-09-16 787acae0 Linux 3.14 compat: IO acct, global_page_state, etc 2017-09-19 661907e6 Linux 4.14 compat: IO acct, global_page_state, etc The config infrastructure provided here resolves these issues going back to the original API change in v3.14 and is robust against further Linux changes in this area. Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Chris Dunlop <[email protected]> Closes #7170
* OpenZFS 7431 - ZFS Channel ProgramsChris Williamson2018-02-083-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | Authored by: Chris Williamson <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: John Kennedy <[email protected]> Reviewed by: Dan Kimmel <[email protected]> Approved by: Garrett D'Amore <[email protected]> Ported-by: Don Brady <[email protected]> Ported-by: John Kennedy <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/7431 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/dfc11533 Porting Notes: * The CLI long option arguments for '-t' and '-m' don't parse on linux * Switched from kmem_alloc to vmem_alloc in zcp_lua_alloc * Lua implementation is built as its own module (zlua.ko) * Lua headers consumed directly by zfs code moved to 'include/sys/lua/' * There is no native setjmp/longjump available in stock Linux kernel. Brought over implementations from illumos and FreeBSD * The get_temporary_prop() was adapted due to VFS platform differences * Use of inline functions in lua parser to reduce stack usage per C call * Skip some ZFS Test Suite ZCP tests on sparc64 to avoid stack overflow
* Extend zloop.sh for automated testingBrian Behlendorf2018-01-251-8/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | In order to debug issues encountered by ztest during automated testing it's important that as much debugging information as possible by dumped at the time of the failure. The following changes extend the zloop.sh script in order to make it easier to integrate with buildbot. * Add the `-m <maximum cores>` option to zloop.sh to place a limit of the number of core dumps generated. By default, the existing behavior is maintained and no limit is set. * Add the `-l` option to create a 'ztest.core.N' symlink in the current directory to the core directory. This functionality is provided primarily for buildbot which expects log files to have well known names. * Rename 'ztest.ddt' to 'ztest.zdb' and extend it to dump additional basic information on failure for latter analysis. Reviewed-by: Tim Chase <[email protected]> Reviewed by: Thomas Caputi <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #6999
* Extend deadman logicBrian Behlendorf2018-01-251-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The intent of this patch is extend the existing deadman code such that it's flexible enough to be used by both ztest and on production systems. The proposed changes include: * Added a new `zfs_deadman_failmode` module option which is used to dynamically control the behavior of the deadman. It's loosely modeled after, but independant from, the pool failmode property. It can be set to wait, continue, or panic. * wait - Wait for the "hung" I/O (default) * continue - Attempt to recover from a "hung" I/O * panic - Panic the system * Added a new `zfs_deadman_ziotime_ms` module option which is analogous to `zfs_deadman_synctime_ms` except instead of applying to a pool TXG sync it applies to zio_wait(). A default value of 300s is used to define a "hung" zio. * The ztest deadman thread has been re-enabled by default, aligned with the upstream OpenZFS code, and then extended to terminate the process when it takes significantly longer to complete than expected. * The -G option was added to ztest to print the internal debug log when a fatal error is encountered. This same option was previously added to zdb in commit fa603f82. Update zloop.sh to unconditionally pass -G to obtain additional debugging. * The FM_EREPORT_ZFS_DELAY event which was previously posted when the deadman detect a "hung" pool has been replaced by a new dedicated FM_EREPORT_ZFS_DEADMAN event. * The proposed recovery logic attempts to restart a "hung" zio by calling zio_interrupt() on any outstanding leaf zios. We may want to further restrict this to zios in either the ZIO_STAGE_VDEV_IO_START or ZIO_STAGE_VDEV_IO_DONE stages. Calling zio_interrupt() is expected to only be useful for cases when an IO has been submitted to the physical device but for some reasonable the completion callback hasn't been called by the lower layers. This shouldn't be possible but has been observed and may be caused by kernel/driver bugs. * The 'zfs_deadman_synctime_ms' default value was reduced from 1000s to 600s. * Depending on how ztest fails there may be no cache file to move. This should not be considered fatal, collect the logs which are available and carry on. * Add deadman test cases for spa_deadman() and zio_wait(). * Increase default zfs_deadman_checktime_ms to 60s. Reviewed-by: Tim Chase <[email protected]> Reviewed by: Thomas Caputi <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #6999
* Fix shellcheck v0.4.6 warningsBrian Behlendorf2018-01-174-14/+17
| | | | | | | | | | | | | Resolve new warnings reported after upgrading to shellcheck version 0.4.6. This patch contains no functional changes. * egrep is non-standard and deprecated. Use grep -E instead. [SC2196] * Check exit code directly with e.g. 'if mycmd;', not indirectly with $?. [SC2181] Suppressed. Reviewed-by: George Melikov <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #7040
* Force ztest to always use /dev/urandomBrian Behlendorf2018-01-121-12/+0
| | | | | | | | | | | | For ztest, which is solely for testing, using a pseudo random is entirely reasonable. Using /dev/urandom ensures the system entropy pool doesn't get depleted thus stalling the testing. This is a particular problem when testing in VMs. Reviewed-by: Tim Chase <[email protected]> Reviewed by: Thomas Caputi <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #7017 Closes #7036
* Support -fsanitize=address with --enable-asanBrian Behlendorf2018-01-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When --enable-asan is provided to configure then build all user space components with fsanitize=address. For kernel support use the Linux KASAN feature instead. https://github.com/google/sanitizers/wiki/AddressSanitizer When using gcc version 4.8 any test case which intentionally generates a core dump will fail when using --enable-asan. The default behavior is to disable core dumps and only newer versions allow this behavior to be controled at run time with the ASAN_OPTIONS environment variable. Additionally, this patch includes some build system cleanup. * Rules.am updated to set the minimum AM_CFLAGS, AM_CPPFLAGS, and AM_LDFLAGS. Any additional flags should be added on a per-Makefile basic. The --enable-debug and --enable-asan options apply to all user space binaries and libraries. * Compiler checks consolidated in always-compiler-options.m4 and renamed for consistency. * -fstack-check compiler flag was removed, this functionality is provided by asan when configured with --enable-asan. * Split DEBUG_CFLAGS in to DEBUG_CFLAGS, DEBUG_CPPFLAGS, and DEBUG_LDFLAGS. * Moved default kernel build flags in to module/Makefile.in and split in to ZFS_MODULE_CFLAGS and ZFS_MODULE_CPPFLAGS. These flags are set with the standard ccflags-y kbuild mechanism. * -Wframe-larger-than checks applied only to binaries or libraries which include source files which are built in both user space and kernel space. This restriction is relaxed for user space only utilities. * -Wno-unused-but-set-variable applied only to libzfs and libzpool. The remaining warnings are the result of an ASSERT using a variable when is always declared. * -D_POSIX_PTHREAD_SEMANTICS and -D__EXTENSIONS__ dropped because they are Solaris specific and thus not needed. * Ensure $GDB is defined as gdb by default in zloop.sh. Signed-off-by: DHE <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #7027
* OpenZFS 8794 - cstyle generates warnings with recent perlDominik Hassler2017-12-191-18/+18
| | | | | | | | | | | | | | Authored by: Dominik Hassler <[email protected]> Reviewed by: Andy Fiddaman <[email protected]> Reviewed by: Igor Kozhukhov <[email protected]> Reviewed by: Toomas Soome <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Approved by: Dan McDonald <[email protected]> Ported-by: Giuseppe Di Natale <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/8794 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/578f67364c Closes #6973
* Enable QAT support in zfs-dkms RPMDavid Qian2017-12-141-0/+6
| | | | | | | | | | | Enable QAT accelerated gzip compression in zfs-dkms RPM package when environment variant ICP_ROOT is set to QAT drive source code folder and QAT hardware presence. Otherwise, use default gzip compression. Reviewed-by: George Melikov <[email protected]> Reviewed-by: David Qian <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #6932
* OpenZFS 8585 - improve batching done in zil_commit()Prakash Surya2017-12-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Authored by: Prakash Surya <[email protected]> Reviewed by: Brad Lewis <[email protected]> Reviewed by: Matt Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Approved by: Dan McDonald <[email protected]> Ported-by: Prakash Surya <[email protected]> Problem ======= The current implementation of zil_commit() can introduce significant latency, beyond what is inherent due to the latency of the underlying storage. The additional latency comes from two main problems: 1. When there's outstanding ZIL blocks being written (i.e. there's already a "writer thread" in progress), then any new calls to zil_commit() will block waiting for the currently oustanding ZIL blocks to complete. The blocks written for each "writer thread" is coined a "batch", and there can only ever be a single "batch" being written at a time. When a batch is being written, any new ZIL transactions will have to wait for the next batch to be written, which won't occur until the current batch finishes. As a result, the underlying storage may not be used as efficiently as possible. While "new" threads enter zil_commit() and are blocked waiting for the next batch, it's possible that the underlying storage isn't fully utilized by the current batch of ZIL blocks. In that case, it'd be better to allow these new threads to generate (and issue) a new ZIL block, such that it could be serviced by the underlying storage concurrently with the other ZIL blocks that are being serviced. 2. Any call to zil_commit() must wait for all ZIL blocks in its "batch" to complete, prior to zil_commit() returning. The size of any given batch is proportional to the number of ZIL transaction in the queue at the time that the batch starts processing the queue; which doesn't occur until the previous batch completes. Thus, if there's a lot of transactions in the queue, the batch could be composed of many ZIL blocks, and each call to zil_commit() will have to wait for all of these writes to complete (even if the thread calling zil_commit() only cared about one of the transactions in the batch). To further complicate the situation, these two issues result in the following side effect: 3. If a given batch takes longer to complete than normal, this results in larger batch sizes, which then take longer to complete and further drive up the latency of zil_commit(). This can occur for a number of reasons, including (but not limited to): transient changes in the workload, and storage latency irregularites. Solution ======== The solution attempted by this change has the following goals: 1. no on-disk changes; maintain current on-disk format. 2. modify the "batch size" to be equal to the "ZIL block size". 3. allow new batches to be generated and issued to disk, while there's already batches being serviced by the disk. 4. allow zil_commit() to wait for as few ZIL blocks as possible. 5. use as few ZIL blocks as possible, for the same amount of ZIL transactions, without introducing significant latency to any individual ZIL transaction. i.e. use fewer, but larger, ZIL blocks. In theory, with these goals met, the new allgorithm will allow the following improvements: 1. new ZIL blocks can be generated and issued, while there's already oustanding ZIL blocks being serviced by the storage. 2. the latency of zil_commit() should be proportional to the underlying storage latency, rather than the incoming synchronous workload. Porting Notes ============= Due to the changes made in commit 119a394ab0, the lifetime of an itx structure differs than in OpenZFS. Specifically, the itx structure is kept around until the data associated with the itx is considered to be safe on disk; this is so that the itx's callback can be called after the data is committed to stable storage. Since OpenZFS doesn't have this itx callback mechanism, it's able to destroy the itx structure immediately after the itx is committed to an lwb (before the lwb is written to disk). To support this difference, and to ensure the itx's callbacks can still be called after the itx's data is on disk, a few changes had to be made: * A list of itxs was added to the lwb structure. This list contains all of the itxs that have been committed to the lwb, such that the callbacks for these itxs can be called from zil_lwb_flush_vdevs_done(), after the data for the itxs is committed to disk. * A list of itxs was added on the stack of the zil_process_commit_list() function; the "nolwb_itxs" list. In some circumstances, an itx may not be committed to an lwb (e.g. if allocating the "next" ZIL block on disk fails), so this list is used to keep track of which itxs fall into this state, such that their callbacks can be called after the ZIL's writer pipeline is "stalled". * The logic to actually call the itx's callback was moved into the zil_itx_destroy() function. Since all consumers of zil_itx_destroy() were effectively performing the same logic (i.e. if callback is non-null, call the callback), it seemed like useful code cleanup to consolidate this logic into a single function. Additionally, the existing Linux tracepoint infrastructure dealing with the ZIL's probes and structures had to be updated to reflect these code changes. Specifically: * The "zil__cw1" and "zil__cw2" probes were removed, so they had to be removed from "trace_zil.h" as well. * Some of the zilog structure's fields were removed, which affected the tracepoint definitions of the structure. * New tracepoints had to be added for the following 3 new probes: * zil__process__commit__itx * zil__process__normal__itx * zil__commit__io__error OpenZFS-issue: https://www.illumos.org/issues/8585 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/5d95a3a Closes #6566
* Fix zfs-tests.sh single test functionalityLOLi2017-11-071-2/+11
| | | | | | | | | | | Without any tag specified into the runtime-generated runfile the test-runner will not execute the test provided from the command line: fix this by adding tag information to the custom runfile. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: loli10K <[email protected]> Closes #6826
* Allow test-runner to filter test groups by tagGiuseppe Di Natale2017-11-031-3/+20
| | | | | | | | | | | | | Enable test-runner to accept a list of tags to identify which test groups the user wishes to run. Also allow test-runner to perform multiple iterations of a test run. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: John Wren Kennedy <[email protected]> Reviewed-by: George Melikov <[email protected]> Signed-off-by: Giuseppe Di Natale <[email protected]> Closes #6788
* commitcheck: Multiple OpenZFS ports in commitGiuseppe Di Natale2017-10-261-4/+9
| | | | | | | | | | | | Allow commitcheck.sh to handle multiple OpenZFS ports in a single commit. This is useful in the cases when a change upstream has bug fixes and it makes sense to port them with the original patch. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Chris Dunlop <[email protected]> Signed-off-by: Giuseppe Di Natale <[email protected]> Closes #6780
* Add Coverity defect fix commit checker supportGiuseppe Di Natale2017-10-261-5/+75
| | | | | | | | | Enable commitcheck.sh to test if a commit message is in the expected format for a coverity defect fix. Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Giuseppe Di Natale <[email protected]> Closes #6777
* Increase default zloop.sh vdev sizeBrian Behlendorf2017-10-131-3/+5
| | | | | | | | | | | | | | | The default 128M vdev size used by zloop.sh isn't always large enough and can result in ENOSPC failures which suspend the pool. Increase the default size to 512M and provide a -s option which can be used to specify an alternate size. This does increase the free space requirements to run zloop.sh. However, since the vdevs are sparse 4x the space is not required. Reviewed-by: Don Brady <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #6758
* Encryption patch follow-upTom Caputi2017-10-111-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * PBKDF2 implementation changed to OpenSSL implementation. * HKDF implementation moved to its own file and tests added to ensure correctness. * Removed libzfs's now unnecessary dependency on libzpool and libicp. * Ztest can now create and test encrypted datasets. This is currently disabled until issue #6526 is resolved, but otherwise functions as advertised. * Several small bug fixes discovered after enabling ztest to run on encrypted datasets. * Fixed coverity defects added by the encryption patch. * Updated man pages for encrypted send / receive behavior. * Fixed a bug where encrypted datasets could receive DRR_WRITE_EMBEDDED records. * Minor code cleanups / consolidation. Signed-off-by: Tom Caputi <[email protected]>
* Fix some ZFS Test Suite issuesLOLi2017-09-251-2/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add 'zfs bookmark' coverage (zfs_bookmark_cliargs) * Add OpenZFS 8166 coverage (zpool_scrub_offline_device) * Fix "busy" zfs_mount_remount failures * Fix bootfs_003_pos, bootfs_004_neg, zdb_005_pos local cleanup * Update usage of $KEEP variable, add get_all_pools() function * Enable history_008_pos and rsend_019_pos (non-32bit builders) * Enable zfs_copies_005_neg, update local cleanup * Fix zfs_send_007_pos (large_dnode + OpenZFS 8199) * Fix rollback_003_pos (use dataset name, not mountpoint, to unmount) * Update default_raidz_setup() to work properly with more than 3 disks * Use $TEST_BASE_DIR instead of hardcoded (/var)/tmp for file VDEVs * Update usage of /dev/random to /dev/urandom Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: loli10K <[email protected]> Issue #6086 Closes #5658 Closes #6143 Closes #6421 Closes #6627 Closes #6632
* Cleanup zloop working directory after each passDon Brady2017-09-211-2/+9
| | | | | | | | | Reviewed-by: George Melikov <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed by: John Kennedy <[email protected]> Reviewed-by: Olaf Faaland <[email protected]> Signed-off-by: Don Brady <[email protected]> Issue #6595 Closes #6663
* Correct shellcheck errorsGiuseppe Di Natale2017-09-183-23/+23
| | | | | | | | | | The ZFS buildbot moved to using Ubuntu 17.04 for the STYLE builder which has a newer version of shellcheck. Correct the new issues it discovers. Reviewed-by: loli10K <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Giuseppe Di Natale <[email protected]> Closes #6647
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