loop: Switch to set_capacity_revalidate_and_notify()

This was recently added to block/genhd.c, and takes care of both
updating the capacity and notifying userspace of the new size.

Signed-off-by: Martijn Coenen <maco@android.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e69ff3c..d9a756f 100644 (file)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -240,10 +240,9 @@ static void loop_set_size(struct loop_device *lo, loff_t size)
 {
        struct block_device *bdev = lo->lo_device;
 
-       set_capacity(lo->lo_disk, size);
        bd_set_size(bdev, size << SECTOR_SHIFT);
-       /* let user-space know about the new size */
-       kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
+
+       set_capacity_revalidate_and_notify(lo->lo_disk, size, false);
 }
 
 static void