On Tue, Oct 06, 2015 at 10:25:52AM +0200, David Sterba wrote:
> On Thu, Oct 01, 2015 at 02:30:47PM -0700, Mark Fasheh wrote:
> > At the moment, userspace has no way of knowing when a snapshot is finally
> > removed. This has become a problem when writing tests for btrfs,
> >
> > http://article.gmane.org/gmane.comp.file-systems.fstests/1239/
>
> In the meantime the command 'btrfs subvolume sync /path id' has been
> implemented which does what you need, without the new ioctl.
Ahh ok I didn't see that I'll take a look, thanks.
>
> Also, you can query root_item::drop_progress directly through the
> SEARCH_TREE ioctl as well.
Yeah I realized this after I sent the patch but it seems like we don't need
either approach now if I can just wait with 'subvolume sync'
--Mark
--
Mark Fasheh
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