1990 	down_read(&fs_info->dev_replace.rwsem);  in btrfs_num_devices()
1991 	if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace)) {  in btrfs_num_devices()
1995 	up_read(&fs_info->dev_replace.rwsem);  in btrfs_num_devices()
5420 	down_read(&fs_info->dev_replace.rwsem);  in btrfs_num_copies()
5421 	if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace) &&  in btrfs_num_copies()
5422 	    fs_info->dev_replace.tgtdev)  in btrfs_num_copies()
5424 	up_read(&fs_info->dev_replace.rwsem);  in btrfs_num_copies()
5485 	    fs_info->dev_replace.cont_reading_from_srcdev_mode ==  in find_live_mirror()
5487 		srcdev = fs_info->dev_replace.srcdev;  in find_live_mirror()
5804 				      struct btrfs_dev_replace *dev_replace,  in handle_ops_on_dev_replace()  argument
5808 	u64 srcdev_devid = dev_replace->srcdev->devid;  in handle_ops_on_dev_replace()
5839 				new->dev = dev_replace->tgtdev;  in handle_ops_on_dev_replace()
5882 			tgtdev_stripe->dev = dev_replace->tgtdev;  in handle_ops_on_dev_replace()
6020 	struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;  in __btrfs_map_block()  local
6046 	down_read(&dev_replace->rwsem);  in __btrfs_map_block()
6047 	dev_replace_is_ongoing = btrfs_dev_replace_is_ongoing(dev_replace);  in __btrfs_map_block()
6053 		up_read(&dev_replace->rwsem);  in __btrfs_map_block()
6056 	    !need_full_stripe(op) && dev_replace->tgtdev != NULL) {  in __btrfs_map_block()
6058 						    dev_replace->srcdev->devid,  in __btrfs_map_block()
6163 	if (dev_replace_is_ongoing && dev_replace->tgtdev != NULL) {  in __btrfs_map_block()
6210 	if (dev_replace_is_ongoing && dev_replace->tgtdev != NULL &&  in __btrfs_map_block()
6212 		handle_ops_on_dev_replace(op, &bbio, dev_replace, &num_stripes,  in __btrfs_map_block()
6229 		bbio->stripes[0].dev = dev_replace->tgtdev;  in __btrfs_map_block()
6235 		lockdep_assert_held(&dev_replace->rwsem);  in __btrfs_map_block()
6237 		up_read(&dev_replace->rwsem);  in __btrfs_map_block()