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Alexander Motin
87a4dfa561
Debugging reported NULL de-reference panic in dnode_hold_impl() I found that for certain types of errors arc_read() may only return error code, but not properly report it via done and pio arguments. Lack of done calls may result in reference and/or memory leaks in higher level code. Lack of error reporting via pio may result in unnoticed errors there. For example, dbuf_read(), where dbuf_read_impl() ignores arc_read() return, relies completely on the pio mechanism and missed the errors. This patch makes arc_read() to always call done callback and always propagate errors to parent zio, if either is provided. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Brian Atkinson <batkinson@lanl.gov> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Sponsored by: iXsystems, Inc. Closes #14454
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 12.2-RELEASE.