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[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>
This commit is contained in:
Horst Hummel 2005-07-27 11:45:02 -07:00 committed by Linus Torvalds
parent c63307f164
commit d61f6f3d8b
1 changed files with 3 additions and 1 deletions
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4
drivers/s390/block/dasd_fba.c
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@ -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;
}