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authorStefan Haberland <stefan.haberland@de.ibm.com>2009-09-11 10:28:29 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-09-11 10:29:41 +0200
commit68b781fe1bed89011ab7c58ede8476abe64432d2 (patch)
treeafe2148854aa2f4eae370a2cf1855f80a9b5a8cb /drivers/s390/block/dasd_fba.c
parent97f604b07473669f4da52b1f859ee45e8d48d42a (diff)
[S390] dasd: optimize cpu usage in goodcase
remove unnecessary dbf call, remove string operations for magic Signed-off-by: Stefan Haberland <stefan.haberland@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.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 31849ad5e59..403730cfaf8 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -152,8 +152,8 @@ dasd_fba_check_characteristics(struct dasd_device *device)
block->base = device;
/* Read Device Characteristics */
- rc = dasd_generic_read_dev_chars(device, "FBA ", &private->rdc_data,
- 32);
+ rc = dasd_generic_read_dev_chars(device, DASD_FBA_MAGIC,
+ &private->rdc_data, 32);
if (rc) {
DBF_EVENT(DBF_WARNING, "Read device characteristics returned "
"error %d for device: %s",
@@ -305,8 +305,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
datasize += (count - 1)*sizeof(struct LO_fba_data);
}
/* Allocate the ccw request. */
- cqr = dasd_smalloc_request(dasd_fba_discipline.name,
- cplength, datasize, memdev);
+ cqr = dasd_smalloc_request(DASD_FBA_MAGIC, cplength, datasize, memdev);
if (IS_ERR(cqr))
return cqr;
ccw = cqr->cpaddr;