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Re: support for writing file systems on sparse disk images

On 13/10/2009 1:38 AM, Johan Ihren wrote:
Hash: SHA1

On 12 Oct 2009, at 01:00, Sarton O'Brien wrote:

On 10/10/2009 9:50 PM, Manuel Bouyer wrote:
On Fri, Oct 09, 2009 at 02:07:55PM +1100, Sarton O'Brien wrote:
Sorry ... I just reread the subject ... it was a late night ;)

It'd be nice to have something like this for the xen infrastructure ...

The right thing to do is to add support for writing to sparse
image to vnd(4).

Along with the ability to identify the attached image in a mount line
rather than doing vnode lookups :)

imho that's the more important one for usability.

Umm. "vnode lookups". Apart from how nice it would be to be able to see
this stuff in a mount line, is there presently any method to do such
things from user space via existing utilites? I'm struggling with a
really nasty kludge that hunts for all my images and does an "ls -i
{image}" trying to match that against the inode reported by "vnconfig -l".

That's horrible.

Yeah, sorry, I meant inode. Not so bad in normal operation but when the dev hat is on or when starting out, a bit annoying.


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