X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; q=dns; s=
	default; b=cPPA1MtfocXnPptNLRc1HVGxqa3HYwsvfcltUvivyTC9M1doY+Lk9
	6BtPAwHOOsC62EP16mTnirydJudgLaOyh8YASJHtTMpo9sERxJpIc44G4UIk0LoP
	630dmyKwk4lPALwHlct+cpe5dibGwz7kACjZtJuCFsMNSBgioqpdkY=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; s=default;
	 bh=pu/MIsS60vwemoPmd1bvSEhJ8D4=; b=H+Iw90dSKykqg55GJ1vUBa1EUwcC
	E9Gd8vfWUf0KXBO9LjCVdvMy9WynvZ8y5XavAzZr2D2FkEK8D4iGc6Cj0TL+Q1EO
	zWox4i1/LTv1sLj+hq21TB7qNIPOWMlU140cq4Z6q9bvSwpC2RiZsA8csizO9yWi
	WS7bzuqemLaTJWU=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=-96.3 required=5.0 tests=AWL,BAYES_00,GOOD_FROM_CORINNA_CYGWIN,KAM_LAZY_DOMAIN_SECURITY,RCVD_IN_PBL,RCVD_IN_SORBS_DUL,RDNS_DYNAMIC autolearn=ham version=3.3.2 spammy=Amazing, amazing
X-HELO: calimero.vinschen.de
Date: Fri, 10 Jun 2016 21:45:39 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: missing partitions under /dev
Message-ID: <20160610194539.GI15058@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <DUB126-W13603CEE9C8DCEF7F84AE5CE5F0 AT phx DOT gbl> <20160610100027 DOT GD15058 AT calimero DOT vinschen DOT de> <DUB126-W24535F5AA8EA1BB077370CCE500 AT phx DOT gbl> <20160610185159 DOT GH15058 AT calimero DOT vinschen DOT de>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;	protocol="application/pgp-signature"; boundary="64j1qyTOoGvYcHb1"
Content-Disposition: inline
In-Reply-To: <20160610185159.GH15058@calimero.vinschen.de>
User-Agent: Mutt/1.6.1 (2016-04-27)

--64j1qyTOoGvYcHb1
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Jun 10 20:51, Corinna Vinschen wrote:
> On Jun 10 16:59, Aaron Schneider wrote:
> > > Date: Fri, 10 Jun 2016 12:00:27 +0200
> > > From: corinna-cygwin AT cygwin DOT com
> > >
> > > Cygwin's /dev/sd* emulation doesn't support more than 15 partitions y=
et.
> > > This would need some rework of the device naming code.
> > >
> > >
> > > Corinna
> >=20
> > I see. I though that it was a Windows problem that didn't provide
> > the partitions properly to cygwin if they weren't formatted with a
> > known filesystem or something related.=C2=A0
> >=20
> > Isn't any other way to access those partitions even from Windows=C2=A0
> > Powershell?
>=20
> There may be a way even using Cygwin.  If you know which disk X it is,
> you could try accessing it via /proc/sys/Device/HarddiskX/PartitionY.
> No guarantee but for raw access this might be sufficient.
>=20
> > Is the feature to support more than 15 partition planned
> > to=C2=A0be implemented?=20=09=09=20=09=20=20=20=09=09=20=20
>=20
> I looked into that and theoretically the changes are small.
>=20
> However, there's an undesired side-effect.  The device parser code uses
> an auto-generated minimally pruned 0-trie, created by a tool called
> shilka.  The problem is that the resulting object file is already very
> big, compared to the rest of the DLL.

> Amazing but true, about 20% of
> the object file is just this trie code and its data, whihc,

Uh, this sentence makes no sense.  Let's try again:

 Amazing but true, about 20% of the Cygwin DLL size is just this device
 parser code and its data, which...

> IMHO, is
> already quite bad.  By adding support for partitions 16-63, this object
> code gets 2.5 times bigger!
>=20
> This is way too much, and I think what we have to do first is to=20
> replace this autogenerated 0-trie code by some simpler, hand-written
> parser before we can consider adding support for more partitions.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

--64j1qyTOoGvYcHb1
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=DEee
-----END PGP SIGNATURE-----

--64j1qyTOoGvYcHb1--