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fdd97e0093
- Split dmu_prefetch_dnode() from dmu_prefetch() into a separate function. It is quite inconvenient to read the code where len = 0 means dnode prefetch instead indirect/data prefetch. One function doing both has no benefits, since the code paths are independent. - Improve dmu_prefetch() handling of long block ranges. Instead of limiting L0 data length to prefetch for to dmu_prefetch_max, make dmu_prefetch_max limit the actual amount of prefetch at the specified level, and, if there is more, prefetch all the rest at higher indirection level. It should improve random access times within the prefetched range of any length, reducing importance of specific dmu_prefetch_max value. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Sponsored by: iXsystems, Inc. Closes #15076 |
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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 12.4-RELEASE.