5ee0f9c649
ddt_get_dedup_histogram() was actually checking it, just in an extremely cursed way. ddt_get_dedup_object_stats() wasn't, but wasn't being called from a dangerous place so no one noticed. These checks are necessary, because spa_ddt[] is not populated until spa_load(), but the spa can exist before that, while being created, and as vdevs and metaslabs are initialised the space accounting functions will be called to update pool space counts. Probably the whole create path doesn't need to go asking for space accounting from metadata subsystems until after the pool is created. This will at least catch misuse. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <rob.norris@klarasystems.com> Sponsored-by: Klara, Inc. Sponsored-by: iXsystems, Inc. Closes #15887 |
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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.