rbd: use set_capacity_and_notify

Use set_capacity_and_notify to set the size of both the disk and block
device.  This also gets the uevent notifications for the resize for free.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 671733e..2ed79b0 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -4888,8 +4888,7 @@ static void rbd_dev_update_size(struct rbd_device *rbd_dev)
            !test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags)) {
                size = (sector_t)rbd_dev->mapping.size / SECTOR_SIZE;
                dout("setting size to %llu sectors", (unsigned long long)size);
-               set_capacity(rbd_dev->disk, size);
-               revalidate_disk_size(rbd_dev->disk, true);
+               set_capacity_and_notify(rbd_dev->disk, size);
        }
 }