mirror of
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4d451bae8a
Currently libspl is a static archive that is linked into multiple shared objects, which then re-export its symbols. We intend to fix this soon. For the moment though, most programs shipped with OpenZFS depend on two or more of these shared objects, and see the same symbols twice. For functions this is not a problem, as they do not have any mutable state and so the linker can simply select the first one and use that for all. For global data objects however, each shared object will have direct (non-relocatable) references to its own instance of the symbol, such that changes on one will not necessarily be seen by the other. While this shouldn't be a problem in practice as these reexported interfaces are not supposed to be used, they are technically undefined behaviour in C (C17 6.9.2) and are reported by ASAN as a violation of C++'s "One Definition Rule". To fix this, we hide these globals inside their compilation units, and add access functions and macros as appropriate to preserve the existing API (though not ABI). Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #17861 |
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| contrib | ||
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| include | ||
| lib | ||
| man | ||
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| rpm | ||
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| udev | ||
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| CODE_OF_CONDUCT.md | ||
| configure.ac | ||
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| COPYRIGHT | ||
| LICENSE | ||
| Makefile.am | ||
| META | ||
| NEWS | ||
| NOTICE | ||
| README.md | ||
| RELEASES.md | ||
| TEST | ||
| zfs.release.in | ||
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.
Official Resources
- Documentation - for using and developing this repo
- ZoL site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
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
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.