501a1511ae
Allow zfs datasets to be mounted on Linux without relying on the invocation of an external processes. This is the same behavior which is implemented for FreeBSD. Use of the libmount library was originally considered because it provides functionality to properly lock and update the /etc/mtab file. However, these days /etc/mtab is typically a symlink to /proc/self/mounts so there's nothing to updated. Therefore, we call mount(2) directly and avoid any additional dependencies. If required the legacy behavior can be enabled by setting the ZFS_MOUNT_HELPER environment variable. This may be needed in environments where SELinux in enabled and the zfs binary does not have mount permission. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Felix Dörre <felix@dogcraft.de> #10294 |
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