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bee314a798
At shutdown time, we drain all of the zevents and set the ZEVENT_SHUTDOWN flag. On FreeBSD, we may end up calling zfs_zevent_destroy() after the zevent_lock has been destroyed while the sysevent thread is winding down; we observe ESHUTDOWN, then back out. Events have already been drained, so just inline the kmem_free call in sysevent_worker() to avoid the race, and document the assumption that zfs_zevent_destroy doesn't do anything else useful at that point. This fixes a panic that can occur at module unload time. Reviewed-by: Ryan Moeller <freqlabs@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Kyle Evans <kevans@FreeBSD.org> Closes #13220 |
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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 12.2-RELEASE.