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aef452f108
- Skip config lock enter/exit for embedded blocks. They have no DVAs, so there is nothing to check under the lock. - Skip CHECKSUM check and properly check PSIZE for embedded blocks. - Add static branch predictions for unlikely conditions. - Do not verify DVAs for blocks already in ARC. ARC hit already "verified" the first (often the only) DVA, and it does not worth to enter/exit config lock for nothing. Some profiles show me up to 3% of CPU saving from this change. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Allan Jude <allan@klarasystems.com> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Sponsored by: iXsystems, Inc. Closes #16387 |
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| COPYRIGHT | ||
| LICENSE | ||
| Makefile.am | ||
| META | ||
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| README.md | ||
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| zfs.release.in | ||
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.