From 5e41f21965e6a22ed7d6aa4aa055e4c86b4234b5 Mon Sep 17 00:00:00 2001 From: ru Date: Thu, 23 Nov 2000 08:18:10 +0000 Subject: mdoc(7) police: misc minor fixes. --- sbin/mount/mount.8 | 101 ++++++++++++++++++++++++++++++----------------------- 1 file changed, 57 insertions(+), 44 deletions(-) (limited to 'sbin') diff --git a/sbin/mount/mount.8 b/sbin/mount/mount.8 index 9692e34..541cadf 100644 --- a/sbin/mount/mount.8 +++ b/sbin/mount/mount.8 @@ -79,7 +79,9 @@ The options are as follows: All the filesystems described in .Xr fstab 5 are mounted. -Exceptions are those marked as ``noauto'', excluded by the +Exceptions are those marked as +.Dq noauto , +excluded by the .Fl t flag (see below), or if they are already mounted (except the root filesystem which is always remounted to preserve @@ -106,7 +108,7 @@ In case of conflicting options being specified, the rightmost option takes effect. The following options are available: .Bl -tag -width indent -.It async +.It Cm async All .Tn I/O to the file system should be done asynchronously. @@ -115,69 +117,72 @@ This is a flag to set, and should not be used unless you are prepared to recreate the file system should your system crash. -.It current +.It Cm current When used with the .Fl u flag, this is the same as specifying the options currently in effect for the mounted filesystem. -.It force +.It Cm force The same as .Fl f ; forces the revocation of write access when trying to downgrade a filesystem mount status from read-write to read-only. Also forces the R/W mount of an unclean filesystem (dangerous; use with caution). -.It fstab +.It Cm fstab When used with the .Fl u flag, this is the same as specifying all the options listed in the .Xr fstab 5 file for the filesystem. -.It noasync +.It Cm noasync Metadata I/O should be done synchronously, while data I/O should be done -asynchronously. This is the default. -.It noatime +asynchronously. +This is the default. +.It Cm noatime Do not update the file access time when reading from a file. This option is useful on filesystems where there are large numbers of files and performance is more critical than updating the file access time (which is -rarely ever important). This option is currently only supported on local -filesystems. -.It noauto -This filesystem should be skipped when mount is run with the +rarely ever important). +This option is currently only supported on local filesystems. +.It Cm noauto +This filesystem should be skipped when +.Nm +is run with the .Fl a flag. -.It noclusterr +.It Cm noclusterr Disable read clustering. -.It noclusterw +.It Cm noclusterw Disable write clustering. -.It nodev +.It Cm nodev Do not interpret character or block special devices on the file system. This option is useful for a server that has file systems containing special devices for architectures other than its own. -.It noexec +.It Cm noexec Do not allow execution of any binaries on the mounted file system. This option is useful for a server that has file systems containing binaries for architectures other than its own. -.It nosuid +.It Cm nosuid Do not allow set-user-identifier or set-group-identifier bits to take effect. Note: this option is worthless if a public available suid or sgid wrapper like .Xr suidperl 1 is installed on your system. -.It nosymfollow +.It Cm nosymfollow Do not follow symlinks on the mounted file system. -.It rdonly +.It Cm rdonly The same as .Fl r ; mount the file system read-only (even the super-user may not write it). -.It sync +.It Cm sync All .Tn I/O to the file system should be done synchronously. -.It suiddir -A directory on the mounted filesystem will respond to the SUID bit +.It Cm suiddir +A directory on the mounted filesystem will respond to the SUID bit being set, by setting the owner of any new files to be the same as the owner of the directory. New directories will inherit the bit from their parents. @@ -194,11 +199,11 @@ Only UFS filesystems support this option. See .Xr chmod 2 for more information. -.It update +.It Cm update The same as .Fl u ; indicate that the status of an already mounted file system should be changed. -.It union +.It Cm union Causes the namespace at the mount point to appear as the union of the mounted filesystem root and the existing directory. Lookups will be done in the mounted filesystem first. @@ -238,7 +243,9 @@ may be described in the manual pages for the associated .Pa /sbin/mount_ Ns Sy XXX utilities. .It Fl p -Print mount information in fstab format. +Print mount information in +.Xr fstab 5 +format. Implies also the .Fl v option. @@ -246,18 +253,18 @@ option. The file system is to be mounted read-only. Mount the file system read-only (even the super-user may not write it). The same as the -.Dq rdonly +.Cm rdonly argument to the .Fl o option. -.It Fl t Ar ufs | Ar external_type +.It Fl t Ar ufs | external_type The argument following the .Fl t is used to indicate the file system type. The type .Ar ufs is the default. -The +The .Fl t option can be used to indicate that the actions should only be taken on @@ -290,16 +297,19 @@ is replaced by the type name. For example, nfs filesystems are mounted by the program .Pa /sbin/mount_nfs . .Pp -Most filesystems will be dynamically loaded by their mount programs +Most filesystems will be dynamically loaded by their +.Nm +programs if not already present in the kernel, using the .Xr vfsload 3 -subroutine. Because this mechanism requires writable temporary space, +subroutine. +Because this mechanism requires writable temporary space, the filesystem type containing .Pa /tmp must be compiled into the kernel, and the filesystems containing -.Pa /tmp +.Pa /tmp and -.Pa /usr/bin/ld +.Pa /usr/bin/ld must be listed in .Pa /etc/fstab before any filesystems which might be dynamically loaded. @@ -318,9 +328,9 @@ An attempt to change from read-write to read-only will fail if any files on the filesystem are currently open for writing unless the .Fl f flag is also specified. -The set of options is determined by applying the options specified -in the argument to -.Fl o +The set of options is determined by applying the options specified +in the argument to +.Fl o and finally applying the .Fl r or @@ -335,16 +345,17 @@ Various, most of them are self-explanatory. .Pp .Dl XXXXX filesystem is not available .Pp -The kernel doesn't support the respective filesystem type. Note that +The kernel does not support the respective filesystem type. +Note that support for a particular filesystem might be provided either on a static (kernel compile-time), or dynamic basis (loaded as a kernel module by -.Xr kldload 8 ). +.Xr kldload 8 ) . Normally, .Nm or its subprocesses attempt to dynamically load a filesystem module if -it hasn't been configured statically, using +it has not been configured statically, using .Xr vfsload 3 . -In this case, the above error message can also mean that you didn't +In this case, the above error message can also mean that you did not have permission to load the module. .Sh FILES .Bl -tag -width /etc/fstab -compact @@ -377,11 +388,13 @@ file system table .Sh BUGS It is possible for a corrupted file system to cause a crash. .Sh CAVEATS -After a successful mount, the permissions on the original mount point -determine if -.Pa ".." -is accessible from the mounted file system. The minimum permissions for -the mount point for traversal across the mount point in both +After a successful +.Nm , +the permissions on the original mount point determine if +.Pa ..\& +is accessible from the mounted file system. +The minimum permissions for +the mount point for traversal across the mount point in both directions to be possible for all users is 0111 (execute for all). .Sh HISTORY A -- cgit v1.1