block: Constify disk_type

The variable 'disk_type' is never modified so constify it.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Omar Sandoval <osandov@fb.com>
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bart Van Assche 2017-06-20 11:15:48 -07:00 committed by Jens Axboe
parent 7b6078146c
commit edf8ff5588

View File

@ -36,7 +36,7 @@ struct kobject *block_depr;
static DEFINE_SPINLOCK(ext_devt_lock);
static DEFINE_IDR(ext_devt_idr);
static struct device_type disk_type;
static const struct device_type disk_type;
static void disk_check_events(struct disk_events *ev,
unsigned int *clearing_ptr);
@ -1183,7 +1183,7 @@ static char *block_devnode(struct device *dev, umode_t *mode,
return NULL;
}
static struct device_type disk_type = {
static const struct device_type disk_type = {
.name = "disk",
.groups = disk_attr_groups,
.release = disk_release,