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f616605821
The 5.15 kernel moved the backing_dev_info structure out of the request queue structure which causes a build failure. Rather than look in the new location for the BDI we instead detect this upstream refactoring by the existance of either the blk_queue_update_readahead() or disk_update_readahead() functions. In either case, there's no longer any reason to manually set the ra_pages value since it will be overridden with a reasonable default (2x the block size) when blk_queue_io_opt() is called. Therefore, we update the compatibility wrapper to do nothing for 5.9 and newer kernels. While it's tempting to do the same for older kernels we want to keep the compatibility code to preserve the existing behavior. Removing it would effectively increase the default readahead to 128k. Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #12532 |
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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.