From: Horst Hummel <horst.hummel@de.ibm.com>
Date: Wed, 27 Jul 2005 18:45:02 +0000 (-0700)
Subject: [PATCH] s390: fba dasd i/o errors
X-Git-Tag: v2.6.13-rc4~25^2~80
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d61f6f3d8b63a2aadcf8b058fe65581ccd8dee97;p=linux-2.6

[PATCH] s390: fba dasd i/o errors

The FBA discipline does not use retries for failed requests.  A request fails
after the first unsuccessful start attempt.  There are some rare conditions
(e.g.  CIO path recovery) in which the start of an i/o on a fba device can
fail.  A tiny amount of retries is therefore reasonable.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 7963ae343e..28cb4613b7 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -4,7 +4,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
  *
- * $Revision: 1.39 $
+ * $Revision: 1.40 $
  */
 
 #include <linux/config.h>
@@ -354,6 +354,8 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req)
 	}
 	cqr->device = device;
 	cqr->expires = 5 * 60 * HZ;	/* 5 minutes */
+	cqr->retries = 32;
+	cqr->buildclk = get_clock();
 	cqr->status = DASD_CQR_FILLED;
 	return cqr;
 }