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authorHorst Hummel <horst.hummel@de.ibm.com>2006-06-29 15:08:18 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-06-29 15:08:18 +0200
commit405455734e1cdec09c37233216f9240cb1a058e5 (patch)
tree36e88909f646b635117041b19a851031fc8ffb41 /drivers/s390/block/dasd_fba.c
parent8f27766a883149926e7c1f69d9f1d8f68efcd65f (diff)
downloadlinux-405455734e1cdec09c37233216f9240cb1a058e5.tar.bz2
[S390] add PAV support to the dasd driver.
Add support for parallel-access-volumes to the dasd driver. This allows concurrent access to dasd devices with multiple channel programs. Signed-off-by: Horst Hummel <horst.hummel@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.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index d331c6e22c59..bb7755b9b19d 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -56,19 +56,13 @@ static struct ccw_driver dasd_fba_driver; /* see below */
static int
dasd_fba_probe(struct ccw_device *cdev)
{
- int ret;
-
- ret = dasd_generic_probe (cdev, &dasd_fba_discipline);
- if (ret)
- return ret;
- ccw_device_set_options(cdev, CCWDEV_DO_PATHGROUP);
- return 0;
+ return dasd_generic_probe(cdev, &dasd_fba_discipline);
}
static int
dasd_fba_set_online(struct ccw_device *cdev)
{
- return dasd_generic_set_online (cdev, &dasd_fba_discipline);
+ return dasd_generic_set_online(cdev, &dasd_fba_discipline);
}
static struct ccw_driver dasd_fba_driver = {
@@ -569,16 +563,8 @@ static struct dasd_discipline dasd_fba_discipline = {
static int __init
dasd_fba_init(void)
{
- int ret;
-
ASCEBC(dasd_fba_discipline.ebcname, 4);
-
- ret = ccw_driver_register(&dasd_fba_driver);
- if (ret)
- return ret;
-
- dasd_generic_auto_online(&dasd_fba_driver);
- return 0;
+ return ccw_driver_register(&dasd_fba_driver);
}
static void __exit