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This allows ZFS datasets to be delegated to a user/mount namespace Within that namespace, only the delegated datasets are visible Works very similarly to Zones/Jailes on other ZFS OSes As a user: ``` $ unshare -Um $ zfs list no datasets available $ echo $$ 1234 ``` As root: ``` # zfs list NAME ZONED MOUNTPOINT containers off /containers containers/host off /containers/host containers/host/child off /containers/host/child containers/host/child/gchild off /containers/host/child/gchild containers/unpriv on /unpriv containers/unpriv/child on /unpriv/child containers/unpriv/child/gchild on /unpriv/child/gchild # zfs zone /proc/1234/ns/user containers/unpriv ``` Back to the user namespace: ``` $ zfs list NAME USED AVAIL REFER MOUNTPOINT containers 129M 47.8G 24K /containers containers/unpriv 128M 47.8G 24K /unpriv containers/unpriv/child 128M 47.8G 128M /unpriv/child ``` Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Will Andrews <will.andrews@klarasystems.com> Signed-off-by: Allan Jude <allan@klarasystems.com> Signed-off-by: Mateusz Piotrowski <mateusz.piotrowski@klarasystems.com> Co-authored-by: Allan Jude <allan@klarasystems.com> Co-authored-by: Mateusz Piotrowski <mateusz.piotrowski@klarasystems.com> Sponsored-by: Buddy <https://buddy.works> Closes #12263 |
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| .. | ||
| abd_os.c | ||
| arc_os.c | ||
| mmp_os.c | ||
| policy.c | ||
| qat_compress.c | ||
| qat_crypt.c | ||
| qat.c | ||
| spa_misc_os.c | ||
| trace.c | ||
| vdev_disk.c | ||
| vdev_file.c | ||
| zfs_acl.c | ||
| zfs_ctldir.c | ||
| zfs_debug.c | ||
| zfs_dir.c | ||
| zfs_file_os.c | ||
| zfs_ioctl_os.c | ||
| zfs_racct.c | ||
| zfs_sysfs.c | ||
| zfs_uio.c | ||
| zfs_vfsops.c | ||
| zfs_vnops_os.c | ||
| zfs_znode.c | ||
| zio_crypt.c | ||
| zpl_ctldir.c | ||
| zpl_export.c | ||
| zpl_file.c | ||
| zpl_inode.c | ||
| zpl_super.c | ||
| zpl_xattr.c | ||
| zvol_os.c | ||