linux (but not samba) quotas

[Cole, Timothy D.]

> -----Original Message-----
> From:	David Collier-Brown [SMTP:davecb at canada.sun.com]
> Sent:	Wednesday, March 28, 2001 17:01
> To:	Jeremy Allison
> Cc:	David Lee; Jim McDonough; samba-technical at samba.org
> Subject:	Re: linux (but not samba) quotas
> 
> 	I've been thinking about this for some time,
> 	and wonder, from the ongoing discussion,
> 	if we could contrive to get the Windows
> 	client to 
> 	a) fail on the write past the end IFF out of space/quota, or
> 	b) feel that it's constrained to write the file
>             sequentially.
> 
> 	(A) might be achieved by detecting that it's
> 	  an explicit extend-file operation or a 
> 	  write at a location > (size + amount to be written)
> 	  and then seeing if it is about to exceed the
> 	  quote.  Note that this assumes the quota/space
> 	  check is inherently cheap.
> 
	It also assumes that there are no earlier 'holes' in the file.

	You can't know much about the 'size' in your formula save that the
actual space allocated on disk is <= that size.