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41a0f66279
When we have some LWBs closed and their ZIOs ready to be issued, we can not afford sleeping on config lock if somebody else try to lock it as writer, or it will cause a deadlock. To solve it, move spa_config_enter() from zil_lwb_write_issue() to zil_lwb_write_close() under zl_issuer_lock to enforce lock ordering with other threads. Now if we can't immediately lock config, issue all previously closed LWBs so that they could drop their config locks after completion, and only then allow sleeping on our lock. Reviewed-by: Mark Maybee <mark.maybee@delphix.com> Reviewed-by: Prakash Surya <prakash.surya@delphix.com> Reviewed-by: George Wilson <george.wilson@delphix.com> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Sponsored by: iXsystems, Inc. Closes #15078 Closes #15080 |
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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.