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From: Roman Zippel <zippel@linux-m68k.org>
To: Andries.Brouwer@cwi.nl
Cc: linux-kernel@vger.kernel.org, <linux-scsi@vger.kernel.org>,
	<pbadari@us.ibm.com>
Subject: Re: [patch for playing] Patch to support 4000 disks and maintain backward compatibility
Date: Fri, 11 Apr 2003 01:57:30 +0200 (CEST)	[thread overview]
Message-ID: <Pine.LNX.4.44.0304110154590.12110-100000@serv> (raw)
In-Reply-To: <UTC200304102209.h3AM9pf11795.aeb@smtp.cwi.nl>

Hi,

On Fri, 11 Apr 2003 Andries.Brouwer@cwi.nl wrote:

> The conclusion is that the easy way out is to define MAX_NR_DISKS.
> A different way out, especially when we use 32+32, is to kill this
> sd_index_bits[] array, and give each disk a new number: replace
> 	index = find_first_zero_bit(sd_index_bits, SD_DISKS);
> by
> 	index = next_index++;

This one is fun:
http://www.ussg.iu.edu/hypermail/linux/kernel/0103.3/0394.html

Anyway, unless you fix all programs which scan /dev/sg*, you better keep 
the used range dense, so this not really option.

bye, Roman


  parent reply	other threads:[~2003-04-10 23:46 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-10 22:09 [patch for playing] Patch to support 4000 disks and maintain backward compatibility Andries.Brouwer
2003-04-10 22:22 ` Badari Pulavarty
2003-04-10 23:57 ` Roman Zippel [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-04-13 13:59 Paul McKenney
2003-04-12  1:13 Paul McKenney
2003-04-12 14:14 ` James Bottomley
2003-04-11 21:13 Andries.Brouwer
2003-04-11 19:45 Andries.Brouwer
2003-04-11 20:14 ` James Bottomley
2003-04-11 23:21   ` Joel Becker
2003-04-11 18:07 Andries.Brouwer
2003-04-11 19:12 ` James Bottomley
2003-04-11 11:42 Andries.Brouwer
2003-04-11 14:33 ` James Bottomley
2003-04-11 16:21   ` Badari Pulavarty
2003-04-11  0:13 Andries.Brouwer
2003-04-10 23:53 Andries.Brouwer
2003-04-11  1:09 ` Badari Pulavarty
2003-04-11 10:09   ` Douglas Gilbert
2003-04-11 16:12     ` Badari Pulavarty
2003-04-10 23:33 Andries.Brouwer
2003-04-10 23:37 ` Badari Pulavarty
2003-04-10 23:09 Andries.Brouwer
2003-04-10 23:16 ` Badari Pulavarty
2003-04-10 20:39 Badari Pulavarty
2003-04-10 20:54 ` Randy.Dunlap
2003-04-11  0:08 ` Roman Zippel
2003-04-11  1:25   ` Badari Pulavarty
2003-04-11 15:43     ` Joel Becker

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