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authorHannes Reinecke <hare@suse.de>2013-01-30 09:26:12 +0000
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-07-01 17:31:17 +0200
commit1f1ee9ad6b298400c7a44f860231ac1d3cb7bfd6 (patch)
tree969a5275d669b6af5ae09d173e19e19256e74903 /drivers/s390/block/dasd_eckd.c
parentb99a946de6a988a38043180d42e6b7a2f07d4f57 (diff)
s390/dasd: make number of retries configurable
Instead of having the number of retries hard-coded in the various functions we should be using a default retry value, which can be modified via sysfs. Signed-off-by: Hannes Reinecke <hare@suse.de> 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_eckd.c')
-rw-r--r--drivers/s390/block/dasd_eckd.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 696735962938..05f5694c9c49 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1682,6 +1682,9 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
/* set default timeout */
device->default_expires = DASD_EXPIRES;
+ /* set default retry count */
+ device->default_retries = DASD_RETRIES;
+
if (private->gneq) {
value = 1;
for (i = 0; i < private->gneq->timeout.value; i++)
@@ -2659,7 +2662,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
cqr->block = block;
cqr->expires = startdev->default_expires * HZ; /* default 5 minutes */
cqr->lpm = startdev->path_data.ppm;
- cqr->retries = 256;
+ cqr->retries = startdev->default_retries;
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
return cqr;
@@ -2834,7 +2837,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
cqr->block = block;
cqr->expires = startdev->default_expires * HZ; /* default 5 minutes */
cqr->lpm = startdev->path_data.ppm;
- cqr->retries = 256;
+ cqr->retries = startdev->default_retries;
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
return cqr;
@@ -3127,7 +3130,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
cqr->block = block;
cqr->expires = startdev->default_expires * HZ; /* default 5 minutes */
cqr->lpm = startdev->path_data.ppm;
- cqr->retries = 256;
+ cqr->retries = startdev->default_retries;
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;
return cqr;
@@ -3330,7 +3333,7 @@ static struct dasd_ccw_req *dasd_raw_build_cp(struct dasd_device *startdev,
cqr->block = block;
cqr->expires = startdev->default_expires * HZ;
cqr->lpm = startdev->path_data.ppm;
- cqr->retries = 256;
+ cqr->retries = startdev->default_retries;
cqr->buildclk = get_tod_clock();
cqr->status = DASD_CQR_FILLED;