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s390/dasd: fix statistics for recovered requests 

When a recovery cqr is cleaned up, copy the start time, stop time,
and start device to the original cqr. These times are needed later
when the original request is finalized and counted in the DASD
statistics.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
patches-3.12
Stefan Weinhuber 2013-08-27 13:52:17 +02:00 committed by Martin Schwidefsky
parent 0628a5fbe1
commit fbd70035fb
1 changed files with 8 additions and 0 deletions
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8
drivers/s390/block/dasd_erp.c
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@ -124,10 +124,15 @@ dasd_default_erp_action(struct dasd_ccw_req *cqr)
struct dasd_ccw_req *dasd_default_erp_postaction(struct dasd_ccw_req *cqr)
{
int success;
unsigned long long startclk, stopclk;
struct dasd_device *startdev;
BUG_ON(cqr->refers == NULL || cqr->function == NULL);
success = cqr->status == DASD_CQR_DONE;
startclk = cqr->startclk;
stopclk = cqr->stopclk;
startdev = cqr->startdev;
/* free all ERPs - but NOT the original cqr */
while (cqr->refers != NULL) {
@ -142,6 +147,9 @@ struct dasd_ccw_req *dasd_default_erp_postaction(struct dasd_ccw_req *cqr)
}
/* set corresponding status to original cqr */
cqr->startclk = startclk;
cqr->stopclk = stopclk;
cqr->startdev = startdev;
if (success)
cqr->status = DASD_CQR_DONE;
else {