rbd: revalidate_disk upon rbd resize

If rbd disk is open and rbd resize is done, new size is not
visible by filesystem.  Like is done in virtio-blk and dm driver,
revalidate_disk() permits to update the bd_inode size.

Signed-off-by: Laurent Barbe <laurent@ksperis.com>
Reviewed-by: Alex Elder <elder@inktank.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 8a7216d..b2819de 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2781,6 +2781,7 @@ static int rbd_dev_refresh(struct rbd_device *rbd_dev, u64 *hver)
        else
                ret = rbd_dev_v2_refresh(rbd_dev, hver);
        mutex_unlock(&ctl_mutex);
+       revalidate_disk(rbd_dev->disk);
 
        return ret;
 }