diff options
Diffstat (limited to 'usr/src/man/man1m/mount_tmpfs.1m')
| -rw-r--r-- | usr/src/man/man1m/mount_tmpfs.1m | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/usr/src/man/man1m/mount_tmpfs.1m b/usr/src/man/man1m/mount_tmpfs.1m index a4f38d3b1f..7ea64130bd 100644 --- a/usr/src/man/man1m/mount_tmpfs.1m +++ b/usr/src/man/man1m/mount_tmpfs.1m @@ -1,9 +1,10 @@ '\" te .\" Copyright (c) 2003, Sun Microsystems, Inc. All Rights Reserved +.\" Copyright 2015 Joyent, Inc. .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License. .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License. .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner] -.TH MOUNT_TMPFS 1M "Nov 24, 2003" +.TH MOUNT_TMPFS 1M "Mar 18, 2015" .SH NAME mount_tmpfs \- mount tmpfs file systems .SH SYNOPSIS @@ -13,7 +14,6 @@ mount_tmpfs \- mount tmpfs file systems .fi .SH DESCRIPTION -.sp .LP \fBtmpfs\fR is a memory based file system which uses kernel resources relating to the \fBVM\fR system and page cache as a file system. @@ -26,13 +26,13 @@ remain hidden until the file system is once again unmounted. The attributes (mode, owner, and group) of the root of the \fBtmpfs\fR filesystem are inherited from the underlying \fImount_point\fR, provided that those attributes are determinable. If not, the root's attributes are set to their default -values. +values. The mode may also be overriden by the \fBmode\fR mount option, which +takes precedence if set. .sp .LP The \fIspecial\fR argument is usually specified as \fBswap\fR but is in fact disregarded and assumed to be the virtual memory resources within the system. .SH OPTIONS -.sp .ne 2 .na \fB\fB-o\fR \fIspecific_options\fR\fR @@ -45,13 +45,40 @@ available: .sp .ne 2 .na +\fB\fBremount\fR\fR +.ad +.sp .6 +.RS 19n +Remounts a file system with a new size. A size not explicitly +set with \fBremount\fR reverts to no limit. +.RE + +.sp +.ne 2 +.na +\fBmode=\fIoctalmode\fR\fR +.ad +.RS 19n +The \fImode\fR argument controls the permissions of the \fBtmpfs\fR mount +point. The argument must be an octal number, of the form passed to +\fBchmod\fR(1). Only the access mode, setuid, setgid, and sticky bits (a mask +of \fB07777\fR) may be set. If this option is not provided then the default +mode behaviour, as described above, applies. +.RE + +.sp +.sp +.ne 2 +.na \fBsize=\fIsz\fR\fR .ad .RS 19n The \fIsz\fR argument controls the size of this particular \fBtmpfs\fR file system. If the argument is has a `k' suffix, the number will be interpreted as a number of kilobytes. An `m' suffix will be interpreted as a number of -megabytes. No suffix is interpreted as bytes. In all cases, the actual size of +megabytes. A `g' suffix will be interpreted as a number of gigabytes. A `%' +suffix will be interpreted as a percentage of the swap space available to the +zone. No suffix is interpreted as bytes. In all cases, the actual size of the file system is the number of bytes specified, rounded up to the physical pagesize of the system. .RE @@ -82,7 +109,6 @@ producing the error\f(CWdevice busy\fR. .RE .SH FILES -.sp .ne 2 .na \fB\fB/etc/mnttab\fR\fR @@ -92,13 +118,11 @@ Table of mounted file systems .RE .SH SEE ALSO -.sp .LP \fBmount\fR(1M), \fBmkdir\fR(2), \fBmount\fR(2), \fBopen\fR(2), \fBumount\fR(2), \fBmnttab\fR(4), \fBattributes\fR(5), \fBfsattr\fR(5), \fBtmpfs\fR(7FS) .SH NOTES -.sp .LP If the directory on which a file system is to be mounted is a symbolic link, the file system is mounted on the directory to which the symbolic link refers, |