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
