nfs, exportfs feature?

From: Rui Sousa (rsousa@grad.physics.sunysb.edu)
Date: Tue Jun 13 2000 - 19:20:30 EST


Hi,

I just realized that exporting a directory with an already mounted
file system pins it down and it's not possible to umount it. That is:

mount /dev/hda1 /tmp
exportfs -r <-- export /tmp
umount /tmp <-- fails (/tmp busy)
exportfs -au
umount /tmp <-- succeeds

But if I do:

exportfs -r
mount /tmp
umount /tmp <-- succeeds

Is this right? Or not a kernel issue?

This is kernel 2.2.16, knfsd-1.4.7-7 and RedHat 6.1

Rui Sousa

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