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OpenZFS on Linux and FreeBSD
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Low-power 34118eac06
Make mount.zfs(8) calling zfs_mount_at for legacy mounts as well 
Commit 329e2ffa4b has made mount.zfs(8) to
call libzfs function 'zfs_mount_at', in order to propagate dataset
properties into mount options. This fix however, is limited to a special
use case where mount.zfs(8) is used in initrd with option '-o zfsutil'.
If either initrd or the user need to use mount.zfs(8) to mount a file
system with 'mountpoint' set to 'legacy', '-o zfsutil' can't be used and
the original issue #7947 will still happen.

Since the existing code already excluded the possibility of calling
'zfs_mount_at' when it was invoked as a helper program from zfs(8), by
checking 'ZFS_MOUNT_HELPER' environment variable, it makes no sense to
avoid calling 'zfs_mount_at' without '-o zfsutil'.

An exception however, is when mount.zfs(8) was invoked with '-o remount'
to update the mount options for an existing mount point. In this case
call mount(2) directly without modifying the mount options passed from
command line.

Furthermore, don't run mount.zfs(8) helper for automounting snapshot.
The above change to make mount.zfs(8) to call 'zfs_mount_at'
apparently caused it to trigger an automount for the snapshot
directory. When the helper was invoked as a result of a snapshot
automount, an infinite recursion will occur.

Since the need of invoking user mode mount(8) for automounting was to
overcome that the 'vfs_kern_mount' being GPL-only, just run mount(8)
without the mount.zfs(8) helper by adding option '-i'.

Reviewed-by: Umer Saleem <usaleem@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: WHR <whr@rivoreo.one>
Closes #16393
 		2024-08-23 10:39:09 -07:00
.github Github workflow: fix typo in `zloop` artifact 2024-08-09 16:49:19 -07:00
cmd Make mount.zfs(8) calling zfs_mount_at for legacy mounts as well 2024-08-23 10:39:09 -07:00
config abd_os: break out platform-specific header parts 2024-08-21 13:37:18 -07:00
contrib Updating bash completion build file 2024-08-08 15:39:25 -07:00
etc etc/init.d: decide which variant to use at build time. 2024-04-08 16:52:24 -07:00
include compress: change zio_compress API to use ABDs 2024-08-22 16:22:24 -07:00
lib libzpool/abd_os: iovec-based scatter abd 2024-08-21 13:37:25 -07:00
man Ignore zfs_arc_shrinker_limit in direct reclaim mode 2024-08-21 10:00:33 -07:00
module Make mount.zfs(8) calling zfs_mount_at for legacy mounts as well 2024-08-23 10:39:09 -07:00
rpm Linux 6.10 compat: fix rpm-kmod and builtin 2024-08-15 14:00:18 -07:00
scripts disable automatic dependency tracking for dkms builds 2024-06-13 18:08:49 -07:00
tests ddt: block scan until log is flushed, and flush aggressively 2024-08-16 12:03:43 -07:00
udev udev: correctly handle partition #16 and later 2024-03-21 16:38:24 -07:00
.cirrus.yml CI: add FreeBSD build with Cirrus CI 2023-10-06 08:50:26 -07:00
.editorconfig
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.gitignore Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-12 09:37:23 -07:00
.mailmap AUTHORS: refresh with recent new contributors (#16362) 2024-07-23 11:47:04 -07:00
AUTHORS AUTHORS: refresh with recent new contributors (#16362) 2024-07-23 11:47:04 -07:00
CODE_OF_CONDUCT.md Documentation corrections 2022-12-22 11:34:28 -08:00
COPYRIGHT
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LICENSE
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META Linux 6.10 compat: META 2024-08-21 17:38:06 -07:00
Makefile.am Process `script` directory for all configs 2022-10-27 16:45:14 -07:00
NEWS
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NOTICE
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README.md FreeBSD: remove support for FreeBSD < 13.0-RELEASE (#16372) 2024-08-05 16:56:45 -07:00
RELEASES.md
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TEST
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autogen.sh Ubuntu 22.04 integration: ShellCheck 2022-11-18 11:24:48 -08:00
configure.ac Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
copy-builtin copy-builtin: add hooks with sed/>> 2022-05-10 10:17:43 -07:00
zfs.release.in
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README.md

img

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.

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Official Resources

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 META file contains the officially recognized supported Linux kernel versions.
  • Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.