Why is relatime immune to remount?
Roberto Ragusa
mail at robertoragusa.it
Mon Jul 7 09:12:18 UTC 2008
Hi,
my root filesystem is mounted with the option relatime for
some reason (I just have defaults in /etc/fstab).
Any attempt to temporarily disable the option fails,
even with norelatime, which appears to be a valid option.
Is this expected or a bug?
(fedora 9 with 2.6.25.3-18)
[root at thinkpad ~]# cat /proc/mounts |grep /dev/root
/dev/root / reiserfs rw,relatime 0 0
[root at thinkpad ~]# mount / -o remount,norelatime
[root at thinkpad ~]# cat /proc/mounts |grep /dev/root
/dev/root / reiserfs rw,relatime 0 0
[root at thinkpad ~]# mount / -o remount,atime
[root at thinkpad ~]# cat /proc/mounts |grep /dev/root
/dev/root / reiserfs rw,relatime 0 0
[root at thinkpad ~]# mount / -o remount,noatime
[root at thinkpad ~]# cat /proc/mounts |grep /dev/root
/dev/root / reiserfs rw,noatime,relatime 0 0
[root at thinkpad ~]# mount / -o remount,atime
[root at thinkpad ~]# cat /proc/mounts |grep /dev/root
/dev/root / reiserfs rw,relatime 0 0
[root at thinkpad ~]# mount / -o remount,nonononononorelatime
mount: / not mounted already, or bad option
--
Roberto Ragusa mail at robertoragusa.it
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