dm: address space issues relative to switch/while/for/...

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/dm-bio-prison-v2.c

@@ -195,7 +195,7 @@ static bool __put(struct dm_bio_prison_v2 *prison,
 
 	// FIXME: shared locks granted above the lock level could starve this
 	if (!cell->shared_count) {
-		if (cell->exclusive_lock){
+		if (cell->exclusive_lock) {
 			if (cell->quiesce_continuation) {
 				queue_work(prison->wq, cell->quiesce_continuation);
 				cell->quiesce_continuation = NULL;

drivers/md/dm-cache-metadata.c

@@ -1010,13 +1010,13 @@ static bool cmd_write_lock(struct dm_cache_metadata *cmd)
 	do {					\
 		if (!cmd_write_lock((cmd)))	\
 			return -EINVAL;		\
-	} while(0)
+	} while (0)
 
 #define WRITE_LOCK_VOID(cmd)			\
 	do {					\
 		if (!cmd_write_lock((cmd)))	\
 			return;			\
-	} while(0)
+	} while (0)
 
 #define WRITE_UNLOCK(cmd) \
 	up_write(&(cmd)->root_lock)
@@ -1035,13 +1035,13 @@ static bool cmd_read_lock(struct dm_cache_metadata *cmd)
 	do {					\
 		if (!cmd_read_lock((cmd)))	\
 			return -EINVAL;		\
-	} while(0)
+	} while (0)
 
 #define READ_LOCK_VOID(cmd)			\
 	do {					\
 		if (!cmd_read_lock((cmd)))	\
 			return;			\
-	} while(0)
+	} while (0)
 
 #define READ_UNLOCK(cmd) \
 	up_read(&(cmd)->root_lock)

drivers/md/dm-log.c

@@ -784,7 +784,7 @@ static int core_status(struct dm_dirty_log *log, status_type_t status,
 	int sz = 0;
 	struct log_c *lc = log->context;
 
-	switch(status) {
+	switch (status) {
 	case STATUSTYPE_INFO:
 		DMEMIT("1 %s", log->type->name);
 		break;
@@ -809,7 +809,7 @@ static int disk_status(struct dm_dirty_log *log, status_type_t status,
 	int sz = 0;
 	struct log_c *lc = log->context;
 
-	switch(status) {
+	switch (status) {
 	case STATUSTYPE_INFO:
 		DMEMIT("3 %s %s %c", log->type->name, lc->log_dev->name,
 		       lc->log_dev_flush_failed ? 'F' :

drivers/md/dm-mpath.c

@@ -1822,7 +1822,7 @@ static void multipath_status(struct dm_target *ti, status_type_t type,
 		if (test_bit(MPATHF_RETAIN_ATTACHED_HW_HANDLER, &m->flags))
 			DMEMIT("retain_attached_hw_handler ");
 		if (m->queue_mode != DM_TYPE_REQUEST_BASED) {
-			switch(m->queue_mode) {
+			switch (m->queue_mode) {
 			case DM_TYPE_BIO_BASED:
 				DMEMIT("queue_mode bio ");
 				break;

drivers/md/dm-ps-io-affinity.c

@@ -162,7 +162,7 @@ static int ioa_status(struct path_selector *ps, struct dm_path *path,
 		return sz;
 	}
 
-	switch(type) {
+	switch (type) {
 	case STATUSTYPE_INFO:
 		DMEMIT("%d ", atomic_read(&s->map_misses));
 		break;

drivers/md/dm-ps-round-robin.c

@@ -94,7 +94,7 @@ static int rr_status(struct path_selector *ps, struct dm_path *path,
 	if (!path)
 		DMEMIT("0 ");
 	else {
-		switch(type) {
+		switch (type) {
 		case STATUSTYPE_INFO:
 			break;
 		case STATUSTYPE_TABLE:

drivers/md/dm-zoned-metadata.c

@@ -1430,7 +1430,7 @@ static int dmz_emulate_zones(struct dmz_metadata *zmd, struct dmz_dev *dev)
 	int idx;
 	sector_t zone_offset = 0;
 
-	for(idx = 0; idx < dev->nr_zones; idx++) {
+	for (idx = 0; idx < dev->nr_zones; idx++) {
 		struct dm_zone *zone;
 
 		zone = dmz_insert(zmd, idx, dev);
@@ -1457,7 +1457,7 @@ static void dmz_drop_zones(struct dmz_metadata *zmd)
 {
 	int idx;
 
-	for(idx = 0; idx < zmd->nr_zones; idx++) {
+	for (idx = 0; idx < zmd->nr_zones; idx++) {
 		struct dm_zone *zone = xa_load(&zmd->zones, idx);
 
 		kfree(zone);