1.\" 2.\" CDDL HEADER START 3.\" 4.\" The contents of this file are subject to the terms of the 5.\" Common Development and Distribution License (the "License"). 6.\" You may not use this file except in compliance with the License. 7.\" 8.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9.\" or https://opensource.org/licenses/CDDL-1.0. 10.\" See the License for the specific language governing permissions 11.\" and limitations under the License. 12.\" 13.\" When distributing Covered Code, include this CDDL HEADER in each 14.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15.\" If applicable, add the following below this CDDL HEADER, with the 16.\" fields enclosed by brackets "[]" replaced with your own identifying 17.\" information: Portions Copyright [yyyy] [name of copyright owner] 18.\" 19.\" CDDL HEADER END 20.\" 21.\" Copyright 2013 Darik Horn <dajhorn@vanadac.com>. All rights reserved. 22.\" 23.Dd May 24, 2021 24.Dt MOUNT.ZFS 8 25.Os 26. 27.Sh NAME 28.Nm mount.zfs 29.Nd mount ZFS filesystem 30.Sh SYNOPSIS 31.Nm 32.Op Fl sfnvh 33.Op Fl o Ar options 34.Ar dataset 35.Ar mountpoint 36. 37.Sh DESCRIPTION 38The 39.Nm 40helper is used by 41.Xr mount 8 42to mount filesystem snapshots and 43.Sy mountpoint= Ns Ar legacy 44ZFS filesystems, as well as by 45.Xr zfs 8 46when the 47.Sy ZFS_MOUNT_HELPER 48environment variable is not set. 49Users should should invoke either 50.Xr mount 8 51or 52.Xr zfs 8 53in most cases. 54.Pp 55.Ar options 56are handled according to the 57.Em Temporary Mount Point Properties 58section in 59.Xr zfsprops 7 , 60except for those described below. 61.Pp 62If 63.Pa /etc/mtab 64is a regular file and 65.Fl n 66was not specified, it will be updated via libmount. 67. 68.Sh OPTIONS 69.Bl -tag -width "-o xa" 70.It Fl s 71Ignore unknown (sloppy) mount options. 72.It Fl f 73Do everything except actually executing the system call. 74.It Fl n 75Never update 76.Pa /etc/mtab . 77.It Fl v 78Print resolved mount options and parser state. 79.It Fl h 80Print the usage message. 81.It Fl o Ar zfsutil 82This private flag indicates that 83.Xr mount 8 84is being called by the 85.Xr zfs 8 86command. 87.El 88. 89.Sh SEE ALSO 90.Xr fstab 5 , 91.Xr mount 8 , 92.Xr zfs-mount 8 93