0b4ff90f9b
This applies the same change in #9115 to FreeBSD. This was actually the old behavior in FreeBSD 12; it only regressed when FreeBSD support was added to OpenZFS. As far as I can tell, the timeline went like this: * Illumos's zfsvfs_teardown used an unconditional txg_wait_synced * Illumos added the dirty data check [^4] * FreeBSD merged in Illumos's conditional check [^3] * OpenZFS forked from Illumos * OpenZFS removed the dirty data check in #7795 [^5] * @mattmacy forked the OpenZFS repo and began to add FreeBSD support * OpenZFS PR #9115[^1] recreated the same dirty data check that Illumos used, in slightly different form. At this point the OpenZFS repo did not yet have multi-OS support. * Matt Macy merged in FreeBSD support in #8987[^2] , but it was based on slightly outdated OpenZFS code. In my local testing, this vastly improves the reboot speed of a server with a large pool that has 1000 datasets and is resilvering an HDD. [^1]: https://github.com/openzfs/zfs/pull/9115 [^2]: https://github.com/openzfs/zfs/pull/8987 [^3]: |
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README.md
OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 12.4-RELEASE.