Re: [PATCH 08/10] dm: add add_disk() error handling

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On Sat, Aug 28, 2021 at 08:35:57AM +0100, Christoph Hellwig wrote:
> On Fri, Aug 27, 2021 at 11:55:14AM -0700, Luis Chamberlain wrote:
> > > I think the add_disk should just return r.  If you look at the
> > > callers they eventualy end up in dm_table_destroy, which does
> > > this cleanup.
> > 
> > I don't see it. What part of dm_table_destroy() does this?
> 
> Sorry, dm_destroy, not dm_table_destroy.  For dm_early_create it's
> trivial as that calls both dm_table_destroy and dm_destroy in the error
> path.  The normal table_load case is a separate ioctl, but if that
> fails userspace needs to call the DM_DEV_REMOVE_CMD to cleanup
> the state - similar to any other failure.

I see, ok sure I'll document this on the commit log as its not so
obvious.

  Luis

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