Mailinglist Archive: opensuse (1695 mails)

[Anders Johansson <ajohansson@xxxxxxx>]

On Friday 26 September 2008 22:02:55 Ben Kevan wrote:
> Is there a way to have a software mount point that will have a directory
> showup on df? and show the main size left on it's parent mount point?
>
> That would be awesome if there were.

What is a software mount point?

You can add an entry in /etc/mtab with your mount point. df will then do a 
"statfs" on it, which will yield the free disk space on that partition, or 
it's parent (if it's a normal directory and not its own partition)

e.g. the entry

foo /home/anders/Documents ext3 rw 0 0

makes df print out

foo                   78937896  58694580  16233492  79% /home/anders/Documents

Note that the file system must be a valid one (and not 'none'), or it will be 
ignored by df

Note also that this may have unforeseen consequences, in that some tools use 
mtab to see which partitions are available, and this may well cause headaches 
at some future point. I can't think of anything at the moment, but it is 
something to bear in mind

Anders
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