On Wed, May 30, 2018 at 06:51:00PM +0200, Christoph Hellwig wrote: > We already check for started commands in all callbacks, but we should > also protect against already completed commands. Do this by taking > the checks to common code. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Josef Bacik <josef@xxxxxxxxxxxxxx> for the nbd portion. Thanks, Josef