6e0ffaf627
1. Unified the block cloning and Direct I/O code paths further. As part of this unification, it is important to outline that Direct I/O writes transition the db_state to DB_UNCACHED. This is used so that dbuf_unoverride() is called when dbuf_undirty() is called. This is needed to cleanup space accounting in a TXG. When a dbuf is redirtied through dbuf_redirty(), then dbuf_unoverride() is also called to clean up space accounting. This is a bit of a different approach that block cloning, which always calls dbuf_undirty(). 2. As part of uniying the two, Direct I/O also performs the same check in dmu_buf_will_fill() so that on failure the previous contents of the dbuf are set correctly. 3. General just code cleanup removing checks that are no longer necessary. Signed-off-by: Brian Atkinson <batkinson@lanl.gov> |
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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 13.0-RELEASE.