[parisc-linux-cvs] linux deller

[Helge Deller]

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On Tuesday 16 April 2002 01:58, Helge Deller wrote:
> CVSROOT:	/var/cvs
> Module name:	linux
> Changes by:	deller	02/04/15 17:58:12
>
> Modified files:
> 	drivers/scsi   : 53c700.h
>
> Log message:
> - reduced NCR_700_MAX_TAGS from 16 to 4:
> seems to help preventing complete system hangs during heavy
> network _and_ disk activity (e.g. reproduceable with "dpkg -i *deb"
> over an NFS-mounted directory [NFS source -> local SCSI disk]).

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Index: 53c700.h
===================================================================
RCS file: /var/cvs/linux/drivers/scsi/53c700.h,v
retrieving revision 1.2
diff -u -p -r1.2 53c700.h
--- 53c700.h	2001/12/03 22:01:50	1.2
+++ 53c700.h	2002/04/15 23:54:11
@@ -29,7 +29,7 @@
 #define NCR_700_LUN_MASK		(NCR_700_MAX_LUNS - 1)
 /* Alter this with care: too many tags won't give the elevator a chance to
  * work; too few will cause the device to operate less efficiently */
-#define NCR_700_MAX_TAGS		16
+#define NCR_700_MAX_TAGS		4 /* 16 */
 /* magic byte identifying an internally generated REQUEST_SENSE command */
 #define NCR_700_INTERNAL_SENSE_MAGIC	0x42
 

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