Rob Norris 6af8db61b1 metaslab: don't pass whole zio to throttle reserve APIs
They only need a couple of fields, and passing the whole thing just
invites fiddling around inside it, like modifying flags, which then
makes it much harder to understand the zio state from inside zio.c.

We move the flag update to just after a successful throttle in zio.c.

Rename ZIO_FLAG_IO_ALLOCATING to ZIO_FLAG_ALLOC_THROTTLED
Better describes what it means, and makes it look less like
IO_IS_ALLOCATING, which means something different.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #17508
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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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