Fedor Uporov 0b6fd024a7 ZVOL: Unify zvol minors operations and improve error handling
Now zvol minors creation logic is passed thru spa_zvol_taskq, like it
is doing for remove/rename zvol minors functions. Appropriate
zvol minors creation functions are refactored:
- The zvol_create_minor()/zvol_minors_create_recursive() were removed.
- The single zvol_create_minors() is added instead.

Also, it become possible to collect zvol minors subtasks status, to
detect, if some zvol minor subtask is failed in the subtasks chain.
The appropriate message is reported to zfs_dbgmsg buffer in this case.

Sponsored-by: vStack, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Signed-off-by: Fedor Uporov <fuporov.vstack@gmail.com>
Closes #17575
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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.

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Official Resources

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.
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