umounting too quickly?


From: Sebastian Andersson <bofh@diegeekdie.com>
Subject: umounting too quickly?
Date: Fri, 13 Jul 2001 16:44:06 +0200

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I'm using devfs, reiserfs and lvm together with a rsbac-1.1.1 maintenance
kernel.

I mount a lwm-reiserfs filesystem in every users' home:
find /www -maxdepth 2 -name .x -type d -exec mount /dev/www/www-jail {} \;

and it seem to work fine.

If I then try to unmount them with:
find /www -maxdepth 2 -name '.x' -type d -exec umount {} \;

most of the filessystems are still mounted and mount doesn't give any
errors. Putting a sleep 1 after each umount makes it work correctly, but
it takes a bit too long for my taste...

I also get these errors:
rsbac_adf_request(): rsbac_get_attr() for security_level returned EINVALIDDEV!
lookup_device(): Invalid device 58:03
acl_lookup_device(): Invalid device 58:03
rsbac_get_attr(): Could not lookup device!
rsbac_adf_request(): rsbac_get_attr() for security_level returned EINVALIDDEV!

Any ideas of what the problem might be?

Regards,
/Sebastian
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