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authorSebastian Ott <sebott@linux.vnet.ibm.com>2016-03-04 10:34:05 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-03-07 13:12:02 +0100
commit543691a4e1e040300ce6598a6ce6527d3144e5db (patch)
tree6e917efd7c2e6bbf0ed258a78982e61ab877a56d /drivers/s390/block/dasd_fba.c
parent570d237c19f8d0f1dfd214767f2d995b8291138a (diff)
downloadlinux-543691a4e1e040300ce6598a6ce6527d3144e5db.tar.bz2
s390/dasd: remove casts to dasd_*_private
Convert dasd_device.private to be a void pointer to get rid of a lot of explicit casts. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Acked-by: Heiko Carstens <heiko.carstens@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.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index c9262e78938b..d7b5b550364b 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -125,13 +125,11 @@ locate_record(struct ccw1 * ccw, struct LO_fba_data *data, int rw,
static int
dasd_fba_check_characteristics(struct dasd_device *device)
{
- struct dasd_block *block;
- struct dasd_fba_private *private;
+ struct dasd_fba_private *private = device->private;
struct ccw_device *cdev = device->cdev;
- int rc;
- int readonly;
+ struct dasd_block *block;
+ int readonly, rc;
- private = (struct dasd_fba_private *) device->private;
if (!private) {
private = kzalloc(sizeof(*private), GFP_KERNEL | GFP_DMA);
if (!private) {
@@ -140,7 +138,7 @@ dasd_fba_check_characteristics(struct dasd_device *device)
"data failed\n");
return -ENOMEM;
}
- device->private = (void *) private;
+ device->private = private;
} else {
memset(private, 0, sizeof(*private));
}
@@ -192,10 +190,9 @@ dasd_fba_check_characteristics(struct dasd_device *device)
static int dasd_fba_do_analysis(struct dasd_block *block)
{
- struct dasd_fba_private *private;
+ struct dasd_fba_private *private = block->base->private;
int sb, rc;
- private = (struct dasd_fba_private *) block->base->private;
rc = dasd_check_blocksize(private->rdc_data.blk_size);
if (rc) {
DBF_DEV_EVENT(DBF_WARNING, block->base, "unknown blocksize %d",
@@ -254,7 +251,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
struct dasd_block *block,
struct request *req)
{
- struct dasd_fba_private *private;
+ struct dasd_fba_private *private = block->base->private;
unsigned long *idaws;
struct LO_fba_data *LO_data;
struct dasd_ccw_req *cqr;
@@ -267,7 +264,6 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
unsigned int blksize, off;
unsigned char cmd;
- private = (struct dasd_fba_private *) block->base->private;
if (rq_data_dir(req) == READ) {
cmd = DASD_FBA_CCW_READ;
} else if (rq_data_dir(req) == WRITE) {
@@ -379,7 +375,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
static int
dasd_fba_free_cp(struct dasd_ccw_req *cqr, struct request *req)
{
- struct dasd_fba_private *private;
+ struct dasd_fba_private *private = cqr->block->base->private;
struct ccw1 *ccw;
struct req_iterator iter;
struct bio_vec bv;
@@ -389,7 +385,6 @@ dasd_fba_free_cp(struct dasd_ccw_req *cqr, struct request *req)
if (!dasd_page_cache)
goto out;
- private = (struct dasd_fba_private *) cqr->block->base->private;
blksize = cqr->block->bp_block;
ccw = cqr->cpaddr;
/* Skip over define extent & locate record. */
@@ -436,13 +431,14 @@ static int
dasd_fba_fill_info(struct dasd_device * device,
struct dasd_information2_t * info)
{
+ struct dasd_fba_private *private = device->private;
+
info->label_block = 1;
info->FBA_layout = 1;
info->format = DASD_FORMAT_LDL;
- info->characteristics_size = sizeof(struct dasd_fba_characteristics);
- memcpy(info->characteristics,
- &((struct dasd_fba_private *) device->private)->rdc_data,
- sizeof (struct dasd_fba_characteristics));
+ info->characteristics_size = sizeof(private->rdc_data);
+ memcpy(info->characteristics, &private->rdc_data,
+ sizeof(private->rdc_data));
info->confdata_size = 0;
return 0;
}