From mboxrd@z Thu Jan 1 00:00:00 1970 From: Herbert Xu Subject: Re: [PATCH v2 01/11] crypto: introduce crypto wait for async op Date: Sat, 10 Jun 2017 17:01:31 +0800 Message-ID: <20170610090131.GA15594@gondor.apana.org.au> References: <1496046180-21962-1-git-send-email-gilad@benyossef.com> <1496046180-21962-2-git-send-email-gilad@benyossef.com> <20170610034336.GB14206@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Gilad Ben-Yossef Cc: Mike Snitzer , linux-doc@vger.kernel.org, David Howells , device-mapper development , keyrings@vger.kernel.org, linux-ima-devel@lists.sourceforge.net, Pavel Shilovsky , Alasdair Kergon , linux-cifs@vger.kernel.org, Jonathan Corbet , Mimi Zohar , "Serge E. Hallyn" , linux-ima-user@lists.sourceforge.net, Eric Biggers , linux-raid@vger.kernel.org, linux-fscrypt@vger.kernel.org, James Morris , Jaegeuk Kim , Ofir Drang , "Theodore Y. Ts'o" , Dmitry Kasatkin , samba-technical@lists.samba.org, Linux kernel mailing list , Steve French linux- List-Id: linux-raid.ids 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 Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt