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Alexander Motin
04d4df89f4
DMU sync code calls taskq_dispatch() for each sublist of os_dirty_dnodes and os_synced_dnodes. Since the number of sublists by default is equal to number of CPUs, it will dispatch equal, potentially large, number of tasks, waking up many CPUs to handle them, even if only one or few of sublists actually have any work to do. This change adds check for empty sublists to avoid this. Reviewed by: Sean Eric Fagan <sef@ixsystems.com> Reviewed by: Matt Ahrens <matt@delphix.com> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Closes #8909
ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
Official Resources
Installation
Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.
Contribute & Develop
We have a separate document with contribution guidelines.
Release
ZFS on Linux 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 kernel versions.