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Mark Johnston
063daa8350
FreeBSD's implementation of zfs_uio_fault_move() returns EFAULT when a page fault occurs while copying data in or out of user buffers. The VFS treats such errors specially and will retry the I/O operation (which may have made some partial progress). When the FreeBSD and Linux implementations of zfs_write() were merged, the handling of errors from dmu_write_uio_dbuf() changed such that EFAULT is not handled as a partial write. For example, when appending to a file, the z_size field of the znode is not updated after a partial write resulting in EFAULT. Restore the old handling of errors from dmu_write_uio_dbuf() to fix this. This should have no impact on Linux, which has special handling for EFAULT already. Reviewed-by: Andriy Gapon <avg@FreeBSD.org> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Mark Johnston <markj@FreeBSD.org> Closes #12964
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.