Augustin Cavalier 6b86bc6ea3 kernel/fs: Handle root vnode ownership correctly and add more assertions.
In 5b14757a30 (2005), a change was made
to have root nodes be owned by filesystems, rather than
by the VFS (as BeOS did.) However, later on,
in fe5928847a (2011),
the adding of covered vnodes broke that.

As put_vnode's error was silently ignored, this went unnoticed
until this week, when the new asserts started firing.

So, to fix this, increment the reference count of the root when
setting its covering vnode, and handle the root specially.
Assert in ~fs_mount that there are no vnodes left; if the
filesystem failed to free it, this assert will trip.

Fixes the new assert seen in #19642.
2025-08-29 15:04:03 -04:00
2025-08-16 08:11:50 +00:00
2025-07-24 14:11:13 +00:00

Haiku

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Haiku is an open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful.

Goals

  • Sensible defaults with minimal configuration required.
  • Clean, clear, concise code.
  • Unified desktop environment.

Trying Haiku

Haiku provides pre-built nightly images and release images. Haiku is compatible with a large variety of hardware, but in case you don't want to "take the plunge" and install Haiku on bare metal, you can install it on a virtual machine (VM) instead. If you've never used a VM before, you can follow one of the "Emulating Haiku" guides.

Compiling Haiku

See ReadMe.Compiling.

Contributing

Haiku is a meritocratic open source project with a large variety of tasks. Even if you can't write code, you can still help! Haiku needs designers, (technical) writers, translators, testers... Get involved and help out!

Contributing code

If you're submitting a patch to us, please make sure you're following the patch submitting guidelines.

If you're having trouble finding something in the source tree, you can use one of our web-based source code browsers:

Contributing documentation

The main piece of documentation that still needs work are the API docs (found in the tree at docs/user). Just find an undocumented class, write documentation for it, and submit a patch.

Contributing translations

See wiki:i18n.

Contributing software ports

See HaikuPorts.

Contributing to our infrastructure

See Infrastructure.

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