Signed-off-by: Benno Schulenberg <bensberg@xxxxxxxxxxxxx> --- sys-utils/umount.8 | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-) diff --git a/sys-utils/umount.8 b/sys-utils/umount.8 index 54fe7ae..8a640f4 100644 --- a/sys-utils/umount.8 +++ b/sys-utils/umount.8 @@ -162,20 +162,30 @@ The syntax of external unmount helpers is: .IR type . subtype ] .RE .PP -where \fIsuffix\fR is the filesystem type. +where \fIsuffix\fR is the filesystem type (or the value from a +\fBuhelper=\fR or \fBhelper=\fR marker in the mtab file). The \fB\-t\fR option can be used for filesystems that have subtype support. For example: .PP .RS .B umount.fuse \-t fuse.sshfs .RE +.PP +A \fBuhelper=\fIsomething\fR marker (unprivileged helper) can appear in +the \fI/etc/mtab\fR file when ordinary users need to be able to unmount +a mountpoint that is not defined in \fI/etc/fstab\fR +(for example for a device that was mounted by \fBudisks\fR(1)). +.PP +A \fBhelper=\fItype\fR marker in the mtab file will redirect +all unmount requests +to the \fB/sbin/umount.\fItype\fR helper independently of UID. .SH FILES .TP .B /etc/mtab table of mounted filesystems .TP .B /etc/fstab -checked when option \fB\-O\fR is given +table of known filesystems .SH ENVIRONMENT .IP LIBMOUNT_FSTAB=<path> overrides the default location of the fstab file -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
