block: move capacity from disk to part0

Move disk->capacity to part0->nr_sects and convert all users who
directly accessed the field to use {get|set}_capacity().  This is done
early to allow the __dev field to be moved.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 9e866a2aee50..1cf828148ec6 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -138,7 +138,6 @@ struct gendisk {
         struct block_device_operations *fops;
         struct request_queue *queue;
         void *private_data;
-        sector_t capacity;
 
         int flags;
         struct device *driverfs_dev;  // FIXME: remove
@@ -411,11 +410,11 @@ static inline sector_t get_start_sect(struct block_device *bdev)
 }
 static inline sector_t get_capacity(struct gendisk *disk)
 {
-        return disk->capacity;
+        return disk->part0.nr_sects;
 }
 static inline void set_capacity(struct gendisk *disk, sector_t size)
 {
-        disk->capacity = size;
+        disk->part0.nr_sects = size;
 }
 
 #ifdef CONFIG_SOLARIS_X86_PARTITION