[7677] in linux-scsi channel archive
Re: How do I invoke a re-probe from kernel space?
daemon@ATHENA.MIT.EDU (Alan Cox)
Mon Dec 13 08:18:29 1999
To: mkwasigr@INTERCOPE.COM
Date: Mon, 13 Dec 1999 13:13:35 +0000 (GMT)
Cc: alan@lxorguk.ukuu.org.uk, linux-scsi@vger.rutgers.edu
In-Reply-To: <C1256846.00444CE6.00@NS.INTERCOPE.COM> from "mkwasigr@INTERCOPE.COM" at Dec 13, 99 01:25:16 pm
Content-Type: text
Content-Length: 905
Message-Id: <E11xVIH-00071l-00@the-village.bc.nu>
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
> depth of eight (at least /proc/scsi/aic7xxx/0 reports it) the rescan on
> "scsi add-single-device" bumps the disk-queues to a depth of one. :-(
>
> Will the "overhaul" cure this?
No the code updates don't affect (hopefully) the device add/remove code. That
was just mean to warn people that they'd have changes to deal with when merging
stuff.
The new scsi code barring one item is in 2.3.32pre3. Just add..
diff -u --new-file --recursive --exclude-from ../exclude linux.32p2/include/linux/fs.h linux.ac/include/linux/fs.h
--- linux.32p2/include/linux/fs.h Sun Dec 12 23:42:40 1999
+++ linux.ac/include/linux/fs.h Sun Dec 12 02:30:42 1999
@@ -62,6 +62,7 @@
#define READ 0
#define WRITE 1
#define READA 2 /* read-ahead - don't block if no resources */
+#define SPECIAL 4 /* For non-blockdevice requests in request queue */
#define WRITERAW 5 /* raw write - don't play with buffer lists */
-
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