1.\" Copyright (c) 1993, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.roff% 5.\" 6.\" @(#)mount_lfs.8 8.3 (Berkeley) 03/27/94 7.\" 8.Dd "" 9.Dt MOUNT_LFS 8 10.Os BSD 4.4 11.Sh NAME 12.Nm mount_lfs 13.Nd mount a log-structured file system 14.Sh SYNOPSIS 15.Nm mount_lfs 16.Op Fl dns 17.Op Fl o Ar options 18.Ar special 19.Ar node 20.Sh DESCRIPTION 21The 22.Nm mount_lfs 23command attaches a log-structured file system 24.Ar special 25device on to the file system tree at the point 26.Ar node . 27In addition, the 28.Xr lfs_cleanerd 8 29utility is invoked to clean the file system periodically. 30.Pp 31This command is normally executed by 32.Xr mount 8 33at boot time. 34.Pp 35The options are as follows: 36.Bl -tag -width Ds 37.It Fl d 38Run 39.Xr lfs_cleanerd 8 40in debug mode. 41.It Fl o 42Options are specified with a 43.Fl o 44flag followed by a comma separated string of options. 45See the 46.Xr mount 8 47man page for possible options and their meanings. 48.It Fl n 49Don't start 50.Xr lfs_cleanerd 8 51on the file system. 52.It Fl s 53Cause 54.Xr lfs_cleanerd 8 55to read data in small chunks when cleaning the file system. 56.El 57.Sh SEE ALSO 58.Xr mount 2 , 59.Xr unmount 2 , 60.Xr fstab 5 , 61.Xr lfs_cleanerd 8 , 62.Xr mount 8 63.Sh HISTORY 64The 65.Nm mount_lfs 66function first appeared in 4.4BSD. 67