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George Wilson
2efea7c82c
ZFS supports O_RSYNC for read operations and when specified will ensure the same level of data integrity that O_DSYNC and O_SYNC provides for writes. O_RSYNC by itself has no effect so it must be combined with either O_DSYNC or O_SYNC. However, many platforms don't support O_RSYNC and have mapped O_SYNC to mean O_RSYNC within ZFS. This is incorrect and causes unnecessary calls to zil_commit. Only platforms which support O_RSYNC should implement the zil_commit functionality in the read code path. Reviewed-by: Matt Ahrens <mahrens@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: George Wilson <george.wilson@delphix.com> Closes #8523
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.