dm: introduce enum dm_queue_mode to cleanup related code

Introduce an enumeration type for the queue mode.  This patch does
not change any functionality but makes the DM code easier to read.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index ddda8107aa7e..2d5d7064acbf 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1260,7 +1260,7 @@ static int populate_table(struct dm_table *table,
         return dm_table_complete(table);
 }
 
-static bool is_valid_type(unsigned cur, unsigned new)
+static bool is_valid_type(enum dm_queue_mode cur, enum dm_queue_mode new)
 {
         if (cur == new ||
             (cur == DM_TYPE_BIO_BASED && new == DM_TYPE_DAX_BIO_BASED))