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Alexander Motin
d06a1d9ac3
Currently, spa_dspace (base to calculate dataset AVAIL) only includes the normal allocation class capacity, but dd_used_bytes tracks space allocated across all classes. Since we don't want to report free space of other classes as available (we can't promise new allocations will be able to use it), report only allocated space, similar to how we report space saved by dedup and block cloning. Since we need deflated space here, make allocation classes track deflated allocated space also. While here, make mc_deferred also deflated, matching its use contexts. Also while there, use atomic_load() to read the allocation class stats. Reviewed-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com> Closes #18190 Closes #18222
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 13.0-RELEASE.