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6a19dea7f6
LLVM's Polly (ISL to be precise) is unhappy with the loop from ddt_stat_add(): CC [M] fs/zfs/zfs/ddt.o ../lib/External/isl/isl_schedule_node.c:2470: cannot insert node between set or sequence node and its filter children (building with the custom patch which adds Polly support to Kbuild) The mentioned loop is rather suboptimal. All that we need is to just treat ddt_stat_t as an array of u64 and perform 1:1 addition or substraction. This can be done in simpler for-loop with the determined index and bounds. Compiler will expand d_end - d into a number of ddt_stat_t fields at compile time. This prevents Polly from failing on this file. Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Lobakin <alobakin@pm.me> Closes #12253 |
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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.
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.