a9b937e066
While evicting dbufs of a dnode, a marker node is added to the AVL. The marker node should be inserted in AVL tree ahead of the dbuf its trying to delete. The blkid and level is used to ensure this. However, this could go wrong there's another dbufs with the same blkid and level in DB_EVICTING state but not yet removed from AVL tree. dbuf_compare() could fail to give the right location or could cause confusion and trigger ASSERTs. To ensure that the marker is inserted before the deleting dbuf, use the pointer value of the original dbuf for comparision. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Co-authored-by: Sanjeev Bagewadi <sanjeev.bagewadi@nutanix.com> Signed-off-by: Chunwei Chen <david.chen@nutanix.com> Closes #12482 Closes #15643 |
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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 12.4-RELEASE.