the problem of mounting a writeable partition
joern at wohnheim.fh-wedel.de
Tue Sep 17 12:35:00 EDT 2002
On Tue, 17 September 2002 23:39:20 +0800, ªL×½n wrote:
> dear all
> I have problems about mounting a writeable partition.
> when I create a partition which capacity is larger than 2MB and
> mount it with JFFS2 filesystem , it works well .
> But when I create a partition which capacity is smaller than 2MB
> and mount it , I can't create any file on it.
> I try to make a directory on it , it displays the following error
> message :
> mkdir: Cannot create directory `test': No space left on device
> Is there any limitation about the partition size.
Not directly. But jffs2 currently needs 5 extra eraseblocks for safe
operation. One is the obvious minimum for any log structured
filesystem, the rest is added for safety, since noone has _proven_
jffs2 to work with less.
I guess, your filesystem size plus five eraseblocks exceed 2MiB.
You should find some information here:
Simplicity is prerequisite for reliability.
-- Edsger W. Dijkstra
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