Message-Id: <200403160417.i2G4Hsm01819@unix-os.sc.intel.com>
From: "Kenneth Chen" <kenneth.w.chen@intel.com>
To: "'Anton Blanchard'" <anton@samba.org>, "Andrew Morton" <akpm@osdl.org>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: Patch - make config_max_raw_devices work
Date: Mon, 15 Mar 2004 20:17:54 -0800
Thread-Index: AcQLAKQjOXUvTLdcThuyXcf353CpSAAC72vA
In-Reply-To: <20040316023946.GO19737@krispykreme>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1153
Lines: 28

Anton Blanchard on Mon, March 15, 2004 6:40 PM
> > Badari wrote basically the same patch a couple of months back.  I dropped
> > it then, too ;)
> >
> > raw is a deprecated interface and if we keep on adding new features to it,
> > we will never be rid of the thing.  If your application requires more than
> > 256 raw devices, please convert it to open the block device directly,
> > passing in the O_DIRECT flag.
>
> We only deprecated this thing on the 4th Feb 2004. I want to see the raw
> driver die but we cant expect apps to change their interfaces in the space
> of a month.
>
> Can we reach a compromise? :)

I second that with Anton.  It takes awhile for application to convert to
O_DIRECT.  We are already educating OSV to convert that.  At mean time, this
is required for legacy application used in production environment (legacy in
The sense that went in production a couple month ago).

- Ken


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