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XFS holding onto disk memory

To: "'linux-xfs@xxxxxxxxxxx'" <linux-xfs@xxxxxxxxxxx>
Subject: XFS holding onto disk memory
From: Mark Grimes <MGrimes@xxxxxxxxxxxxxxxxx>
Date: Wed, 26 Mar 2003 11:08:43 -0800
Sender: linux-xfs-bounce@xxxxxxxxxxx
I'm using linux-2.4.18, XFS version 1.1 with patches.
I've been doing some simple tests on XFS behavior when filling up a
filesystem (128MB).
One of the tests I do is to create zero length files (i.e. touch FileX) to
use up the available inodes.

When I've used up all available inodes, the disk usage is reported at 26%.
This is OK, and expected.
The issue I have is after I've deleted all the files.  The disk usage stays
at 26%.

Is this expected behavior?  Is there a way to recover the on disk memory
without unmounting the filesystem?

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Mark Grimes
Senior Software Developer
Snap Appliance
mgrimes@xxxxxxxxxxxxxxxxx
(408) 879-8461
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