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Date: Wed, 28 Mar 2001 13:44:50 -0800 (PST)
From: Andre Hedrick <andre@linux-ide.org>
To: Martin Dalecki <dalecki@evision-ventures.com>
cc: Linus Torvalds <torvalds@transmeta.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>, "H. Peter Anvin" <hpa@transmeta.com>, Andries.Brouwer@cwi.nl, linux-kernel@vger.kernel.org, tytso@MIT.EDU
Subject: Re: Larger dev_t
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On Wed, 28 Mar 2001, Martin Dalecki wrote:

> Then please please please demangle other cases as well!
> IDE is the one which is badging my head most. SCSI as well...
> 
> Granted I wouldn't mind a rebot with new /dev/* once!

diff -urN linux-2.4.3-p8-pristine/include/linux/major.h linux-2.4.3-p8/include/linux/major.h
--- linux-2.4.3-p8-pristine/include/linux/major.h       Sat Dec 30
11:23:14 2000+++ linux-2.4.3-p8/include/linux/major.h        Sun Mar 25
22:16:42 2001
@@ -171,4 +171,18 @@
        return SCSI_BLK_MAJOR(m);
 }

+/*
+ * Tests for IDE devices
+ */
+#define IDE_DISK_MAJOR(M)      ((M) == IDE0_MAJOR || (M) == IDE1_MAJOR || \
+                               (M) == IDE2_MAJOR || (M) == IDE3_MAJOR || \
+                               (M) == IDE4_MAJOR || (M) == IDE5_MAJOR || \
+                               (M) == IDE6_MAJOR || (M) == IDE7_MAJOR || \
+                               (M) == IDE8_MAJOR || (M) == IDE9_MAJOR)
+
+static __inline__ int ide_blk_major(int m)
+{
+       return IDE_DISK_MAJOR(m);
+}
+
 #endif

Well I banged my head and learned a scsi-trick....
 
Andre Hedrick
Linux ATA Development
ASL Kernel Development
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