cciss update [7/8] bump read ahead to 1024

[mikem]

Patch 7 of 8
This patch changes our read_ahead to 1024. This has been shown to increase
performance. Please consider this for inclusion. Patch applies to 2.6.8-rc4.
Please apply in order.

Thanks,
mikem
-------------------------------------------------------------------------------
diff -burpN lx268-rc3-p006/drivers/block/cciss.c lx268-rc3/drivers/block/cciss.c
--- lx268-rc3-p006/drivers/block/cciss.c	2004-08-05 14:16:11.567565000 -0500
+++ lx268-rc3/drivers/block/cciss.c	2004-08-06 10:15:31.934926352 -0500
@@ -115,7 +115,7 @@ static struct board_type products[] = {
 /*define how many times we will try a command because of bus resets */
 #define MAX_CMD_RETRIES 3
 
-#define READ_AHEAD 	 256
+#define READ_AHEAD 	 1024
 #define NR_CMDS		 384 /* #commands that can be outstanding */
 #define MAX_CTLR 8
 
-
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