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If a zvol is renamed, and it has one or more snapshots, and
snapdev=visible is true for the zvol, then the rename causes a kernel
null pointer dereference error. This has the effect (on Linux, anyway)
of killing the z_zvol taskq kthread, with locks still held; which in
turn causes a variety of zvol-related operations afterward to hang
indefinitely (such as udev workers, among other things).
The problem occurs because of an oversight in #15486
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.github | ||
cmd | ||
config | ||
contrib | ||
etc | ||
include | ||
lib | ||
man | ||
module | ||
rpm | ||
scripts | ||
tests | ||
udev | ||
.cirrus.yml | ||
.editorconfig | ||
.gitignore | ||
.gitmodules | ||
.mailmap | ||
AUTHORS | ||
autogen.sh | ||
CODE_OF_CONDUCT.md | ||
configure.ac | ||
copy-builtin | ||
COPYRIGHT | ||
LICENSE | ||
Makefile.am | ||
META | ||
NEWS | ||
NOTICE | ||
README.md | ||
RELEASES.md | ||
TEST | ||
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
META
file contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.