From 9f1af33141556df9f0fa75e6c357499952fcb880 Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Tue, 6 Jun 2017 12:05:14 +0200 Subject: umount: add note about NFS and -c to umount.8 Signed-off-by: Karel Zak --- sys-utils/umount.8 | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'sys-utils/umount.8') diff --git a/sys-utils/umount.8 b/sys-utils/umount.8 index f3f419acc..80df50cc5 100644 --- a/sys-utils/umount.8 +++ b/sys-utils/umount.8 @@ -75,9 +75,17 @@ This option is only supported on systems where /etc/mtab is a symlink to /proc/mounts. .TP .BR \-c , " \-\-no\-canonicalize" -Do not canonicalize paths. For more details about this option see the +Do not canonicalize paths. The paths canonicalization is based on +.BR stat (2) +and +.BR readlink (2) +system calls. These system calls may hang in some cases (for example on NFS if +server is not available). The option has to be used with canonical path to the +mount point. + +For more details about this option see the .BR mount (8) -man page. Note that \fBumount\fR does not pass this option to the +man page. Note that \fBumount\fR does not pass this option to the .BI /sbin/umount. type helpers. .TP -- cgit v1.2.3-55-g7522