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Date:   Sun, 15 Oct 2017 23:38:31 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Gilad Ben-Yossef <gilad@...yossef.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jonathan Corbet <corbet@....net>,
        David Howells <dhowells@...hat.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Arnaud Ebalard <arno@...isbad.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
        Steve French <sfrench@...ba.org>,
        "Theodore Y. Ts'o" <tytso@....edu>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
        James Morris <james.l.morris@...cle.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Ofir Drang <ofir.drang@....com>, linux-crypto@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        keyrings@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-cifs@...r.kernel.org,
        samba-technical@...ts.samba.org, linux-fscrypt@...r.kernel.org,
        netdev@...r.kernel.org, linux-ima-devel@...ts.sourceforge.net,
        linux-ima-user@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH v9 00/20] simplify crypto wait for async op

On Sun, Oct 15, 2017 at 10:19:45AM +0100, Gilad Ben-Yossef wrote:
>
> Changes from v8:
> - Remove the translation of EAGAIN return code to the
>   previous return code of EBUSY for the user space
>   interface of algif as no one seems to rely on it as
>   requested by Herbert Xu.

Sorry, but I forgot to mention that EAGAIN is not a good value
to use because it's used by the network system calls for other
meanings (interrupted by a signal).

So if we stop doing the translation then we also need to pick
a different value, perhaps E2BIG or something similar that have
no current use within the crypto API or network API.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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