On Wed, Nov 03, 2021 at 05:21:56AM -0700, Luis Chamberlain wrote: > This makes __register_blkdev() return an error, and also changes the > probe() call to return an error as well. > > We expand documentation for the probe call to ensure that if the block > device already exists we don't return on error on that condition. We do > this as otherwise we loose ability to handle concurrent requests if the > block device already existed. I'm still not really sold on this - if the probe fails no bdev will be registered and the lookup will fail. What is the benefit of propagating the exact error here?
