9246667a22
This commit introduces limited/recursive filesystem unmounting by
leveraging the existing `zfs unmount -a` codebase with minor additions
and modifications.
Now, when running `zfs unmount <-a|-A> zpool/dataset`, the command will
unmount all datasets that are the specified dataset itself or it's
children, provided they are available. In addition, `-A` flag will also
mount datasets with `canmount=noauto` property.
Changes in `zfs_main.c`:
- `HELP_UNMOUNT`
- Updated `usage()` message to reflect the changes.
- `unshare_unmount()`
- Changed `do_all` from `int` to `boolean_t`
- Added `boolean_t do_noauto` property; used for mounting datasets
with `canmount=noauto` as `canmount=on`.
- Added the `-A` flag; when used sets `do_noauto` to `B_TRUE`.
- Updated argument check; displaies the correct error messages.
- Limited the usage of `<-a|-A> filesystem` to `zfs unmount` only
- Added a check; to validate that the specified filesystem is indeed a
valid ZFS filesystem.
- Modified the 'noauto' check; when unmounting datasets,
if `do_noauto` is true, treat the unmount as if `canmount=on`.
- Added a check; if `filesystem` is set, skips any datasets that are
not `filesystem` itself or it's children.
Signed-off-by: QORTEC <lowell.bv@gmail.com>
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README.md
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.