ae4474e67e
The maximum supported descriptor count is used at least in virtio_block as the maximum vector count for IO operations. When the indirect entry count is set lower than the supported one and indirect descriptors are used, virtio_block can overrun that count as it was given a higher max. Queuing would then fail and lead to transfers that never complete and timeout after 10 seconds because the return value was not checked. This was easily reproducible with lots of disk IO under QEMU where such indirect descriptors are used with a maximum of 256 while the previous hardcoded indirect count was just 128. Change-Id: Id6f87b318e93506b04e65807d627a1cf2e8e39b5 Reviewed-on: https://review.haiku-os.org/c/haiku/+/8178 Reviewed-by: Jérôme Duval <jerome.duval@gmail.com> Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org> Haiku-Format: Haiku-format Bot <no-reply+haikuformatbot@haiku-os.org> (cherry picked from commit b9addf62e9572ae07dcb50021bf8d43549db393f) Reviewed-on: https://review.haiku-os.org/c/haiku/+/8209 Reviewed-by: waddlesplash <waddlesplash@gmail.com>
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:
- https://xref.landonf.org/ (OpenGrok, provided by Landon Fuller)
- https://git.haiku-os.org/ (git, provided by Haiku, Inc.)
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.