On Thu, Nov 10, 2011 at 07:43:07PM +0000, Hugo Mills wrote:
> On Thu, Nov 10, 2011 at 05:40:56PM -0200, Alexandre Oliva wrote:
> > Experimental patch to be able to compact only the metadata after
> > clustered allocation allocated lots of unnecessary metadata block
> > groups. It's also useful to measure performance differences between
> > -o cluster and -o nocluster.
> >
> > I guess it should be implemented as a balance option rather than a
> > separate ioctl, but this was good enough for me to try it.
>
> This should be covered by the restriper work. (And was also covered
> by my balance-management patches, which were superseded by restriper).
Hugo is right, this is covered by restriper (both kernel and userspace
sides). The exact command would be
btrfs fi restripe start -mconvert=PROFILE <mount point>
Thanks,
Ilya
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