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.\" Copyright 2013 Darik Horn <dajhorn@vanadac.com>. All rights reserved.
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.Dd May 24, 2021
.Dt MOUNT.ZFS 8
.Os OpenZFS
.
.Sh NAME
.Nm mount.zfs
.Nd mount ZFS filesystem
.Sh SYNOPSIS
.Nm
.Op Fl sfnvh
.Op Fl o Ar options
.Ar dataset
.Ar mountpoint
.
.Sh DESCRIPTION
The
.Nm
helper is used by
.Xr mount 8
to mount filesystem snapshots and
.Sy mountpoint= Ns Ar legacy
ZFS filesystems, as well as by
.Xr zfs 8
when the
.Sy ZFS_MOUNT_HELPER
environment variable is not set.
Users should should invoke either
.Xr mount 8
or
.Xr zfs 8
in most cases.
.Pp
.Ar options
are handled according to the
.Em Temporary Mount Point Properties
section in
.Xr zfsprops 7 ,
except for those described below.
.Pp
If
.Pa /etc/mtab
is a regular file and
.Fl n
was not specified, it will be updated via libmount.
.
.Sh OPTIONS
.Bl -tag -width "-o xa"
.It Fl s
Ignore unknown (sloppy) mount options.
.It Fl f
Do everything except actually executing the system call.
.It Fl n
Never update
.Pa /etc/mtab .
.It Fl v
Print resolved mount options and parser state.
.It Fl h
Print the usage message.
.It Fl o Ar zfsutil
This private flag indicates that
.Xr mount 8
is being called by the
.Xr zfs 8
command.
.El
.
.Sh SEE ALSO
.Xr fstab 5 ,
.Xr mount 8 ,
.Xr zfs-mount 8