Re: squashfs size in statfs

[Jan Engelhardt <jengelh@linux01.gwdg.de>]

>> > Yes, because CRAM does it that way, and maybe zisofs does it too:
>> 
>> Zisofs doesn't (H. Peter Anvin should know as he wrote it :-) ).
>> 
>> Statfs should return the size of the filesystem, not the amount of
>> data the filesystem  represents.  In this respect the behaviour of
>> Squashfs and Zisofs is correct.
>> 
>> This is analogous to performing stat on a gzipped file.  The stat
>> returns the size of the compressed file, not the uncompressed size.
>
> A better analogy is it is like statting a sparse file on, say, an ext3
> filesystem.  stat (ls -s) and statfs report the amount of storage consumed.
>
Too bad. Would have been a good indicator of how much space you need to 
copy an entire disc to disk, rather than running and waiting for du -s to 
complete.

So cramfs would need fixing.


Jan Engelhardt
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