Re: [Qemu-devel] Sparse file support under windows

[Fabrice Bellard]

At least the default should be sparse files if the filesystem supports them.

Fabrice.

ZIGLIO, Frediano, VF-IT wrote:
> Good question. As you like... I can remove option if you prefer. I don't
> know how performs sparse file on windows so perhaps someone can still
> prefer normal file for performance.
>
> freddy77
>
>
>
> > OK for the idea, but why is a new option needed ? Sparse file usage 
> > should be automatic if the filesystem supports it.
> >
> > Regards,
> >
> > Fabrice.
> >
> > ZIGLIO, Frediano, VF-IT wrote:
> >
> > > Hi,
> > >  this patch add sparse file support under Windows 
> >
> > (supported on NTFS).
> >
> > > It add a -s flag to qemu create and qemu convert. It 
> >
> > contain also a new
> >
> > > implementation for ftruncate witch not fill manually space 
> >
> > but only use
> >
> > > SetEndOfFile (so to handle correctly sparse file)
> > >
> > > freddy77
> >
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