On Sat, Jun 10, 2017 at 11:05:39AM +0300, Gilad Ben-Yossef wrote: > > I guess there is a question if it really is important to know that > your request ended up > on the backlog, rather than being handled.I can imagine it can be used > as back pressure > indication but I wonder if someone is using that. Oh yes we do want it to return EBUSY if we put it on the backlog because in that case we want the user to stop sending us new requests. It's the other case where we dropped the request and returned EBUSY where I think we could return something other than EBUSY and get rid of the ambiguity. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt