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* tcp: embed inpcb into tcpcbGleb Smirnoff2022-12-071-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the TCP protocol inpcb storage specify allocation size that would provide space to most of the data a TCP connection needs, embedding into struct tcpcb several structures, that previously were allocated separately. The most import one is the inpcb itself. With embedding we can provide strong guarantee that with a valid TCP inpcb the tcpcb is always valid and vice versa. Also we reduce number of allocs/frees per connection. The embedded inpcb is placed in the beginning of the struct tcpcb, since in_pcballoc() requires that. However, later we may want to move it around for cache line efficiency, and this can be done with a little effort. The new intotcpcb() macro is ready for such move. The congestion algorithm data, the TCP timers and osd(9) data are also embedded into tcpcb, and temprorary struct tcpcb_mem goes away. There was no extra allocation here, but we went through extra pointer every time we accessed this data. One interesting side effect is that now TCP data is allocated from SMR-protected zone. Potentially this allows the TCP stacks or other TCP related modules to utilize that for their own synchronization. Large part of the change was done with sed script: s/tp->ccv->/tp->t_ccv./g s/tp->ccv/\&tp->t_ccv/g s/tp->cc_algo/tp->t_cc/g s/tp->t_timers->tt_/tp->tt_/g s/CCV\(ccv, osd\)/\&CCV(ccv, t_osd)/g Dependency side effect is that code that needs to know struct tcpcb should also know struct inpcb, that added several <netinet/in_pcb.h>. Differential revision: https://reviews.freebsd.org/D37127
* libicp: Link with -z noexecstack for ld.bfd.John Baldwin2022-11-222-0/+4
| | | | | The assembly source files do not contain GNU-stack annotations, so ld.bfd defaults to using an executable stack.
* pkgbase: Put zfs utilities and lib in their own packageEmmanuel Vadot2022-10-2613-12/+13
| | | | | | | | | It is useful to have zfs utilities and lib in a separate package as it allow users to create image that can support ZFS (i.e. not with WITHOUT_ZFS in src.conf set) without bloating the default image with all zfs tools (for example for jails). Differential Revision: https://reviews.freebsd.org/D36225
* libdtrace: Fix some CPU register number definitions to match the kernelMark Johnston2022-10-121-3/+3
| | | | MFC after: 1 week
* libdtrace: Add kinst supportChristos Margiolis2022-10-111-0/+1
| | | | | | | | | | | | kinst does not instantiate its probes automatically, it only does so on demand via an ioctl interface implemented by /dev/kinst. This change modifies libdtrace to perform that work when the script references the kinst provider, similar to the way pid provider probes are implemented. Reviewed by: markj MFC after: 3 months Sponsored by: Google, Inc. (GSoC 2022) Differential Revision: https://reviews.freebsd.org/D36852
* libzpool: Disable -Wuse-after-free for dbuf.c.John Baldwin2022-10-031-0/+4
| | | | | | | | | | | | The debug traces for reference counting in ZFS use the pointer of the owning object as a "tag" for references to check that when an object drops a reference it had actually held one. In a couple of places ZFS drops references after freeing the owning object. In userland GCC realizes this is a use after free. However, since only the value of the pointer is used, and it isn't indirected, the use is harmless. Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D36818
* zfs: merge openzfs/zfs@c629f0bf6Martin Matuska2022-09-212-2/+0
| | | | | | | | | | | | | | | | | | | Notable upstream pull request merges: #13725 Fix BLAKE3 tuneable and module loading on Linux and FreeBSD #13756 FreeBSD: Organize sysctls #13773 FreeBSD: add kqfilter support for zvol cdev #13781 Importing from cachefile can trip assertion #13794 Apply arc_shrink_shift to ARC above arc_c_min #13798 Improve too large physical ashift handling #13799 Revert "Avoid panic with recordsize > 128k, raw sending and no large_blocks" #13802 Add zfs.sync.snapshot_rename #13831 zfs_enter rework #13855 zfs recv hangs if max recordsize is less than received recordsize Obtained from: OpenZFS OpenZFS commit: c629f0bf62e351355716f9870d6c2e377584b016
* libnvpair: install libnvpair.hKristof Provost2022-07-211-0/+2
| | | | | | This is included by libbe/be.h. Sponsored by: Rubicon Communications, LLC ("Netgate")
* cddl/*: add a WITH(OUT)_DTRACE optionBrooks Davis2022-07-061-28/+21
| | | | | | | | | | | | | | | | | | Add an option to enable/disable DTrace without disabling ZFS. New architectures such as CHERI may support ZFS before they support DTrace and the old model of WITHOUT_CDDL disabling both wasn't helpful. For compatiblity, the CDDL option remains and WITHOUT_CDDL implies WITHOUT_DTRACE. WITHOUT_DTRACE also implies WITHOUT_CTF. As part of this change, largely convert cddl/*/Makefile to using the more compact SUBDIR.${MK_<FOO>}+= form rather than using intermediate variables. Reviewed by: markj Obtained from: CheriBSD Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D35718
* dtrace: Remove local mips supportBrooks Davis2022-07-011-4/+0
| | | | | | | | Remove the stub pid probe and all the build glue. Reviewed by: imp, jhb Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D35541
* libicp_rescue: Fix build for powerpc64leJessica Clarke2022-07-011-1/+1
| | | | | | | This is a repeat of 13cee53cef35 ("libicp: Fix build for powerpc64le") but for the rescue version of the library. Fixes: 1f1e2261e341 ("zfs: merge openzfs/zfs@deb121309")
* libicp: Fix build for powerpc64leJessica Clarke2022-07-011-1/+1
| | | | | | | | The C sources use the assembly routines for little-endian powerpc64, and the assembly files have ppc64le in their names, but the guard here was for big-endian powerpc64. Fixes: 1f1e2261e341 ("zfs: merge openzfs/zfs@deb121309")
* zfs: merge openzfs/zfs@deb121309Martin Matuska2022-06-233-2/+58
| | | | | | | | | | | | Notable upstream pull request merges: #12918 Introduce BLAKE3 checksums as an OpenZFS feature #13553 Reduce ZIO io_lock contention on sorted scrub #13537 Improve sorted scan memory accounting #13540 AVL: Remove obsolete branching optimizations #13563 FreeBSD: Improve crypto_dispatch() handling Obtained from: OpenZFS OpenZFS commit: deb1213098e2dc10e6eee5e5c57bb40584e096a6
* zfs: merge openzfs/zfs@a86e08941 (master) into mainMartin Matuska2022-03-083-12/+68
| | | | | | | | | | | | | | | | | | | | Notable upstream pull request merges: #9078: log xattr=sa create/remove/update to ZIL #11919: Cross-platform xattr user namespace compatibility #13014: Report dnodes with faulty bonuslen #13016: FreeBSD: Fix zvol_cdev_open locking #13019: spl: Don't check FreeBSD rwlocks for double initialization #13027: Fix clearing set-uid and set-gid bits on a file when replying a write #13031: Add enumerated vdev names to 'zpool iostat -v' and 'zpool list -v' #13074: Enable encrypted raw sending to pools with greater ashift #13076: Receive checks should allow unencrypted child datasets #13098: Avoid dirtying the final TXGs when exporting a pool #13172: Fix ENOSPC when unlinking multiple files from full pool Obtained from: OpenZFS OpenZFS commit: a86e089415679cf1b98eb424a159bb36aa2c19e3
* ctf: Import ctf.h from OpenBSDMark Johnston2022-03-071-1/+0
| | | | | | | | | | | | | | | | | Use it instead of the existing ctf.h from OpenSolaris. This makes it easier to use CTF in the core kernel, and to extend the CTF format to support wider type IDs. The imported ctf.h is modified to depend only on _types.h, and also to provide macros which use the "parent" bit of a type ID to refer to types in a parent CTF container. No functional change intended. Reviewed by: Domagoj Stolfa, emaste MFC after: 1 month Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D34358
* Disable clang 14 warning about bitwise operators in zstdDimitry Andric2022-02-081-0/+1
| | | | | | | | | | | | | | | | Parts of zstd, used in openzfs and other places, trigger a new clang 14 -Werror warning: ``` sys/contrib/zstd/lib/decompress/huf_decompress.c:889:25: error: use of bitwise '&' with boolean operands [-Werror,-Wbitwise-instead-of-logical] (BIT_reloadDStreamFast(&bitD1) == BIT_DStream_unfinished) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` While the warning is benign, it should ideally be fixed upstream and then vendor-imported, but for now silence it selectively. MFC after: 3 days
* zfs: merge openzfs/zfs@17b2ae0b2 (master) into mainMartin Matuska2022-01-224-17/+4
| | | | | | | | | | | | | | | | | | | Notable upstream pull request merges: #12766 Fix error propagation from lzc_send_redacted #12805 Updated the lz4 decompressor #12851 FreeBSD: Provide correct file generation number #12857 Verify dRAID empty sectors #12874 FreeBSD: Update argument types for VOP_READDIR #12896 Reduce number of arc_prune threads #12934 FreeBSD: Fix zvol_*_open() locking #12947 lz4: Cherrypick fix for CVE-2021-3520 #12961 FreeBSD: Fix leaked strings in libspl mnttab #12964 Fix handling of errors from dmu_write_uio_dbuf() on FreeBSD #12981 Introduce a flag to skip comparing the local mac when raw sending #12985 Avoid memory allocations in the ARC eviction thread Obtained from: OpenZFS OpenZFS commit: 17b2ae0b24d487fdda2ef1098ec26fa7f79a61f6
* cddl: fix missing ZFS library dependenciesGreg V2021-11-155-3/+7
| | | | | | | | | | | In 9fae47666 zfsd got a libspl dependency to avoid undefined references. However that workaround did not help external consumers of libzfs_core. Fix all missing dependencies lld 13 and the rtld complain about. Reviewed by: freqlabs, markj MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D32521
* zfs: merge openzfs/zfs@ec64fdb93 (master) into mainMartin Matuska2021-10-213-5/+8
| | | | | | | | | | | | | | | Notable upstream pull request merges: #12392 Avoid panic in case of pool errors and missing L2ARC #12448 skip snapshot in zfs_iter_mounted() #12516 Fix NFS and large reads on older kernels #12533 Fail invalid incremental recursive send gracefully #12569 FreeBSD: Really zero the zero page #12575 Reject zfs send -RI with nonexistent fromsnap #12602 Correct refcount_add in dmu_zfetch #12650 zpool should call zfs_nicestrtonum() with non-NULL handle Obtained from: OpenZFS OpenZFS commit: ec64fdb93d144ab1884097cfd36e18b62a2db848
* pkgbase: Put dtrace in its own packageEmmanuel Vadot2021-06-192-0/+2
| | | | | | | While dtrace is usefull some people might not want it. Differential Revision: https://reviews.freebsd.org/D30752 Sponsored by: Diablotin Systems
* spl: Unbreak crossbuild after f20893853e8eJessica Clarke2021-06-151-2/+2
| | | | | | | | | | | | | | | Summary: f20893853e8e made getexecname no longer guarded by BOOTSTRAPPING, but it does not build on non-FreeBSD as it tries to use KERN_PROC_PATHNAME and related constants. Reviewers: mm, imp Reviewed By: imp Subscribers: imp Differential Revision: https://reviews.freebsd.org/D30763
* spl: Fix gcc6 buildWarner Losh2021-06-111-1/+5
| | | | | | -Wno-error= is only a clang flag, restrict its use to only clang. Sponsored by: Netflix
* zfs: unbreak build with clang 12Martin Matuska2021-06-101-1/+1
| | | | | | | | Change -Wno-error-atomic-alignment to -Wno-error=atomic-alignment in the Makefile of libspl. Reported by: Ed Maste <emaste@FreeBSD.org> Fix by: Alexander Richardson <arichardson@FreeBSD.org>
* zfs: unbreak build broken in 160388166Martin Matuska2021-06-083-25/+10
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* pkgbase: Move libicp in utilitiesEmmanuel Vadot2021-03-162-2/+2
| | | | | | | | | libicp is used by zdb zhack zinject zstream ztest libzpool.so.2 which are all in FreeBSD-utilities. Reviewed by: bapt, emaste Differential Revision: https://reviews.freebsd.org/D29164 MFC after: 2 weeks
* openzfs: attach pam_zfs_key to buildGreg V2021-03-022-1/+34
| | | | | | | | | | | | | | | This PAM module allows unlocking encrypted user home datasets when logging in (and changing passphrase when changing the account password), see https://github.com/openzfs/zfs/pull/9903 Also supposed to unload the key when the last session for the user is done, but there are EBUSY issues: https://github.com/openzfs/zfs/issues/11222#issuecomment-731897858 Submitted by: Greg V <greg_unrelenting.technology> Reviewed by: mm MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D28018
* zfs: merge OpenZFS master-9312e0fd1Martin Matuska2021-02-221-0/+1
| | | | | | | | | | | Notable upstream changes: 778869fa1 Fix reporting of mount progress e7adccf7f Disable use of hardware crypto offload drivers on FreeBSD 03e02e5b5 Fix checksum errors not being counted on repeated repair 64e0fe14f Restore FreeBSD resource usage accounting 11f2e9a49 Fix panic if scrubbing after removing a slog device MFC after: 2 weeks
* zfs: bump version and install new share filesMartin Matuska2021-02-181-0/+2
| | | | | | | | - bump version to 2.0.0-FreeBSD_gbf156c966 - install definition files for the new "-o compatibility" option to "zpool create" MFC after: 2 weeks
* libdtrace: Stop relying on lex compatibilityMark Johnston2021-02-171-2/+0
| | | | | | | | | | It does not appear to be required, and as of commit 6b7e592c215f ("lex: Do not let input() return 0 when end-of-file is reached") it causes input to return 0 instead of EOF when end-of-input is reached. PR: 253440 MFC after: 3 days Sponsored by: The FreeBSD Foundation
* zfs: merge OpenZFS master-436ab35a5Martin Matuska2021-02-162-2/+0
| | | | | | | | | | | - speed up writing to ZFS pools without ZIL devices (aa755b3) - speed up importing ZFS pools (2d8f72d, a0e0199, cf0977a) ... MFC after: 2 weeks Reviewed by: mjg (partial) Tested by: pho Differential Revision: https://reviews.freebsd.org/D28677
* build: remove LIBPTHREAD/LIBTHR build optionsKyle Evans2021-01-221-2/+0
| | | | | | | | | | | | | | | | | | WITHOUT_LIBTHR has been broken for a little over five years now, since the xz 5.2.0 update introduced a hard liblzma dependency on libthr, and building a useful system without threading support is becoming increasingly more difficult. Additionally, in the five plus years that it's been broken more reverse dependencies have cropped up in libzstd, libsqlite3, and libcrypto (among others) that make it more and more difficult to reconcile the effort needed to fix these options. Remove the broken options. PR: 252760 Reviewed by: brooks, emaste, kib Differential Revision: https://reviews.freebsd.org/D28263
* OpenZFS: Fix issues caused by reversed commits + rebaseMatt Macy2021-01-081-0/+2
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* Install dtrace.h and dependenciesAlex Richardson2021-01-071-0/+7
| | | | | | | | | | | | | This makes the minimum amount of changes to allow inclusion of dtrace.h without all the solaris compatibility headers. Installing dtrace.h allows compiling consumers of libdtrace (e.g. https://github.com/tmetsch/python-dtrace) without requiring a copy of the source tree. For python-dtrace I worked around this in https://github.com/tmetsch/python-dtrace/commit/58019c9a12022203a9ffda286dd8b41f1a5ace42 but being able to build the library without installed sources would be extremely useful. Reviewed By: gnn Differential Revision: https://reviews.freebsd.org/D27884
* loader: zfs should support bootonce an nextbootToomas Soome2020-09-213-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bootonce feature is temporary, one time boot, activated by "bectl activate -t BE", "bectl activate -T BE" will reset the bootonce flag. By default, the bootonce setting is reset on attempt to boot and the next boot will use previously active BE. By setting zfs_bootonce_activate="YES" in rc.conf, the bootonce BE will be set permanently active. bootonce dataset name is recorded in boot pool labels, bootenv area. in case of nextboot, the nextboot_enable boolean variable is recorded in freebsd:nvstore nvlist, also stored in boot pool label bootenv area. On boot, the loader will process /boot/nextboot.conf if nextboot_enable is "YES", and will set nextboot_enable to "NO", preventing /boot/nextboot.conf processing on next boot. bootonce and nextboot features are usable in both UEFI and BIOS boot. To use bootonce/nextboot features, the boot loader needs to be updated on disk; if loader.efi is stored on ESP, then ESP needs to be updated and for BIOS boot, stage2 (zfsboot or gptzfsboot) needs to be updated (gpart or other tools). At this time, only lua loader is updated. Sponsored by: Netflix, Klara Inc. Differential Revision: https://reviews.freebsd.org/D25512 Notes: svn path=/head/; revision=365938
* Fix dtrace tools bootstrap on non-FreeBSD after OpenZFS importAlex Richardson2020-09-191-2/+4
| | | | | | | | | | | | This required surprisingly few build system changes and only two changes to the openZFS compat headers which have been upstreamed as https://github.com/openzfs/zfs/pull/10863 Reviewed By: #zfs, freqlabs Differential Revision: https://reviews.freebsd.org/D26193 Notes: svn path=/head/; revision=365901
* MFV 2.0-rc2Matt Macy2020-09-181-0/+1
| | | | | | | | - Fixes divide by zero for unusual hz - remove cryptodev dependency Notes: svn path=/head/; revision=365894
* Use MACHINE_CPUARCH when checking for arm64Andrew Turner2020-09-142-2/+2
| | | | | | | | | | | | | | | Use MACHINE_CPUARCH with arm64 (aarch64) when we build code that could run on any 64-bit Arm instruction set. This will simplify checks in downstream consumers targeting prototype instruction sets. The only place we check for MACHINE_ARCH == aarch64 is when building the device tree blobs. As these are targeting current generation ISAs. Sponsored by: Innovate UK Differential Revision: https://reviews.freebsd.org/D26370 Notes: svn path=/head/; revision=365726
* Remove -I flag for include path that doesn't existAlex Richardson2020-09-103-3/+0
| | | | | | | | | | Found this while trying to get macOS bootstrap to work again after OpenZFS merge. Reviewed By: #zfs, freqlabs Differential Revision: https://reviews.freebsd.org/D26192 Notes: svn path=/head/; revision=365580
* Correct the D definition for EINTEGRITY.Mark Johnston2020-09-011-1/+1
| | | | | | | | | MFC after: 1 week Sponsored by: NetApp, Inc. Sponsored by: Klara, Inc. Notes: svn path=/head/; revision=365047
* libzfs: Add missing crypto dependencyRyan Moeller2020-08-271-1/+15
| | | | | | | | | | libzfs_crypto.c uses PKCS5_PBKDF2_HMAC_SHA1 from libcrypto. Reported by: John Kennedy Sponsored by: iXsystems, Inc. Notes: svn path=/head/; revision=364861
* Move zstd sources from libzfs to libzpoolRyan Moeller2020-08-262-6/+8
| | | | | | | | | | | | | | zstd is kernel code that was not supposed to be in libzfs. libzpool provides userland shims for kernel code and is where the zstd code needs to be included. Reported by: John Kennedy Discussed with: mmacy Sponsored by: iXsystems, Inc. Notes: svn path=/head/; revision=364830
* Tidy up libzpool MakefileRyan Moeller2020-08-261-21/+20
| | | | | | | Sponsored by: iXsystems, Inc. Notes: svn path=/head/; revision=364829
* [PowerPC] Apply the ppc32 GOT overflow fix to powerpcspeBrandon Bergren2020-08-251-1/+1
| | | | | | | | | | powerpcspe is also a 32 bit ppc platform, and also needs to be -fPIC to avoid overflowing the GOT. Sponsored by: Tag1 Consulting, Inc. Notes: svn path=/head/; revision=364780
* Fix libzfs build failures for someMatt Macy2020-08-251-1/+0
| | | | | | | | In some environments adding zstd/include to the include path would cause zstd's stdlib.h to hide the system one. Notes: svn path=/head/; revision=364751
* Merge OpenZFS support in to HEAD.Matt Macy2020-08-2516-165/+733
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The primary benefit is maintaining a completely shared code base with the community allowing FreeBSD to receive new features sooner and with less effort. I would advise against doing 'zpool upgrade' or creating indispensable pools using new features until this change has had a month+ to soak. Work on merging FreeBSD support in to what was at the time "ZFS on Linux" began in August 2018. I first publicly proposed transitioning FreeBSD to (new) OpenZFS on December 18th, 2018. FreeBSD support in OpenZFS was finally completed in December 2019. A CFT for downstreaming OpenZFS support in to FreeBSD was first issued on July 8th. All issues that were reported have been addressed or, for a couple of less critical matters there are pull requests in progress with OpenZFS. iXsystems has tested and dogfooded extensively internally. The TrueNAS 12 release is based on OpenZFS with some additional features that have not yet made it upstream. Improvements include: project quotas, encrypted datasets, allocation classes, vectorized raidz, vectorized checksums, various command line improvements, zstd compression. Thanks to those who have helped along the way: Ryan Moeller, Allan Jude, Zack Welch, and many others. Sponsored by: iXsystems, Inc. Differential Revision: https://reviews.freebsd.org/D25872 Notes: svn path=/head/; revision=364746
* - Cleanups related to sparc64 removal.Yoshihiro Takahashi2020-07-283-12/+2
| | | | | | | | | | - Remove remains of sparc64 files. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D25831 Notes: svn path=/head/; revision=363644
* sack_newdata and snd_recover hold the same value. Therefore, use onlyMichael Tuexen2020-02-131-1/+1
| | | | | | | | | | a single instance: use snd_recover also where sack_newdata was used. Submitted by: Richard Scheffenegger Differential Revision: https://reviews.freebsd.org/D18811 Notes: svn path=/head/; revision=357858
* Update Makefile.depend filesSimon J. Gerraty2019-12-117-7/+0
| | | | | | | | | | | | | Update a bunch of Makefile.depend files as a result of adding Makefile.depend.options files Reviewed by: bdrewery MFC after: 1 week Sponsored by: Juniper Networks Differential Revision: https://reviews.freebsd.org/D22494 Notes: svn path=/head/; revision=355617
* libzpool: use CFLAGS.lz4.c to build lz4.o and lz4.picoToomas Soome2019-12-021-2/+1
| | | | | | | Clean up this Makefile a bit. Notes: svn path=/head/; revision=355291
* MFV r354378,r354379,r354386: 10499 Multi-modifier protection (MMP)Andriy Gapon2019-11-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 10499 Multi-modifier protection (MMP) illumos/illumos-gate@e0f1c0afa46cc84d4b1e40124032a9a87310386e https://github.com/illumos/illumos-gate/commit/e0f1c0afa46cc84d4b1e40124032a9a87310386e https://www.illumos.org/issues/10499 Port the following ZFS commits from ZoL to illumos. 379ca9cf2 Multi-modifier protection (MMP) bbffb59ef Fix multihost stale cache file import 0d398b256 Do not initiate MMP writes while pool is suspended 10701 Correct lock ASSERTs in vdev_label_read/write illumos/illumos-gate@58447f688d5e308373ab16a3b129bc0ba0fbc154 https://github.com/illumos/illumos-gate/commit/58447f688d5e308373ab16a3b129bc0ba0fbc154 https://www.illumos.org/issues/10701 Port of ZoL commit: 0091d66f4e Correct lock ASSERTs in vdev_label_read/write At a minimum, this fixes a blown assert during an MMP test run when running on a DEBUG build. 11770 additional mmp fixes illumos/illumos-gate@4348eb901228d2f8fa50bb132a34248e8662074e https://github.com/illumos/illumos-gate/commit/4348eb901228d2f8fa50bb132a34248e8662074e https://www.illumos.org/issues/11770 Port a few additional MMP fixes from ZoL that came in after our initial MMP port. 4ca457b065 ZTS: Fix mmp_interval failure ca95f70dff zpool import progress kstat (only minimal changes from above can be pulled in right now) 060f0226e6 MMP interval and fail_intervals in uberblock Note from the committer (me). I do not have any use for this feature and I have not tested it. I only did smoke testing with multihost=off. Please be aware. I merged the code only to make future merges easier. Portions contributed by: Jerry Jelinek <jerry.jelinek@joyent.com> Portions contributed by: Tim Chase <tim@chase2k.com> Portions contributed by: sanjeevbagewadi <sanjeev.bagewadi@gmail.com> Portions contributed by: John L. Hammond <john.hammond@intel.com> Portions contributed by: Giuseppe Di Natale <dinatale2@llnl.gov> Portions contributed by: Prakash Surya <surya1@llnl.gov> Portions contributed by: Brian Behlendorf <behlendorf1@llnl.gov> Author: Olaf Faaland <faaland1@llnl.gov> MFC after: 4 weeks Notes: svn path=/head/; revision=354804
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