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88b199c24e
Coverity complains about a possible NULL pointer dereference. This is impossible, but it suspects it because we do a NULL check against `spa->spa_root_vdev`. This NULL check was never necessary and makes the code harder to understand, so we drop it. In particular, we dereference `spa->spa_root_vdev` when `new_state != POOL_STATE_UNINITIALIZED && !hardforce`. The first is only true when spa_reset is called, which only occurs under fault injection. The second is true unless `zpool export -F $POOLNAME` is used. Therefore, we effectively *always* dereference the pointer. In the cases where we do not, there is no reason to think it is unsafe. Therefore this change is safe to make. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Closes #13905 |
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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 12.2-RELEASE.