Serapheim Dimitropoulos 25096e1180 zvol_wait logic may terminate prematurely
Setups that have a lot of zvols may see zvol_wait terminate prematurely
even though the script is still making progress.  For example, we have a
customer that called zvol_wait for ~7100 zvols and by the last iteration
of that script it was still waiting on ~2900. Similarly another one
called zvol_wait for 2200 and by the time the script terminated there
were only 50 left.

This patch adjusts the logic to stay within the outer loop of the script
if we are making any progress whatsoever.

Reviewed-by: George Wilson <gwilson@delphix.com>
Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #13998
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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 12.2-RELEASE.
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