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authorHannes Reinecke <hare@suse.de>2013-01-30 09:26:14 +0000
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-07-01 17:31:20 +0200
commita2ace46632fb38c7a3771f2f0d235a4295e83bcf (patch)
tree3d69366b49c18967fda51cb6b0355148f91f7d6f /drivers/s390/block/dasd_fba.c
parent1fbdb8be9bfc91efd45720493c7ecae884ae22bd (diff)
downloadlinux-a2ace46632fb38c7a3771f2f0d235a4295e83bcf.tar.bz2
s390/dasd: Implement block timeout handling
This patch implements generic block layer timeout handling callbacks for DASDs. When the timeout expires the respective cqr is aborted. With this timeout handler time-critical request abort is guaranteed as the abort does not depend on the internal state of the various DASD driver queues. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd_fba.c')
-rw-r--r--drivers/s390/block/dasd_fba.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index d232c83ea95a..9cbc8c32ba59 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -428,7 +428,10 @@ out:
static void dasd_fba_handle_terminated_request(struct dasd_ccw_req *cqr)
{
- cqr->status = DASD_CQR_FILLED;
+ if (cqr->retries < 0)
+ cqr->status = DASD_CQR_FAILED;
+ else
+ cqr->status = DASD_CQR_FILLED;
};
static int