e79b6807b8
On Linux, sometimes, when ZFS goes to unmount an automounted snap, it fails a VERIFY check on debug builds, because taskq_cancel_id returned ENOENT after not finding the taskq it was trying to cancel. This presumably happens when it already died for some reason; in this case, we don't really mind it already being dead, since we're just going to dispatch a new task to unmount it right after. So we just ignore it if we get back ENOENT trying to cancel here, retry a couple times if we get back the only other possible condition (EBUSY), and log to dbgmsg if we got anything but ENOENT or success. (We also add some locking around taskqid, to avoid one or two cases of two instances of trying to cancel something at once.) Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com> Signed-off-by: Rich Ercolani <rincebrain@gmail.com> Closes #11632 Closes #12670 |
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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 12.2-RELEASE.