Commit d61f6f3d authored Jul 27, 2005 by Horst Hummel Committed by Linus Torvalds Jul 27, 2005

[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>

parent c63307f1

drivers/s390/block/dasd_fba.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}