2047 	down_read(&fs_info->dev_replace.rwsem);  in btrfs_num_devices()
2048 	if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace)) {  in btrfs_num_devices()
2052 	up_read(&fs_info->dev_replace.rwsem);  in btrfs_num_devices()
5481 	down_read(&fs_info->dev_replace.rwsem);  in btrfs_num_copies()
5482 	if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace) &&  in btrfs_num_copies()
5483 	    fs_info->dev_replace.tgtdev)  in btrfs_num_copies()
5485 	up_read(&fs_info->dev_replace.rwsem);  in btrfs_num_copies()
5546 	    fs_info->dev_replace.cont_reading_from_srcdev_mode ==  in find_live_mirror()
5548 		srcdev = fs_info->dev_replace.srcdev;  in find_live_mirror()
5865 				      struct btrfs_dev_replace *dev_replace,  in handle_ops_on_dev_replace()  argument
5869 	u64 srcdev_devid = dev_replace->srcdev->devid;  in handle_ops_on_dev_replace()
5900 				new->dev = dev_replace->tgtdev;  in handle_ops_on_dev_replace()
5943 			tgtdev_stripe->dev = dev_replace->tgtdev;  in handle_ops_on_dev_replace()
6081 	struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;  in __btrfs_map_block()  local
6107 	down_read(&dev_replace->rwsem);  in __btrfs_map_block()
6108 	dev_replace_is_ongoing = btrfs_dev_replace_is_ongoing(dev_replace);  in __btrfs_map_block()
6114 		up_read(&dev_replace->rwsem);  in __btrfs_map_block()
6117 	    !need_full_stripe(op) && dev_replace->tgtdev != NULL) {  in __btrfs_map_block()
6119 						    dev_replace->srcdev->devid,  in __btrfs_map_block()
6224 	if (dev_replace_is_ongoing && dev_replace->tgtdev != NULL) {  in __btrfs_map_block()
6271 	if (dev_replace_is_ongoing && dev_replace->tgtdev != NULL &&  in __btrfs_map_block()
6273 		handle_ops_on_dev_replace(op, &bbio, dev_replace, &num_stripes,  in __btrfs_map_block()
6290 		bbio->stripes[0].dev = dev_replace->tgtdev;  in __btrfs_map_block()
6296 		lockdep_assert_held(&dev_replace->rwsem);  in __btrfs_map_block()
6298 		up_read(&dev_replace->rwsem);  in __btrfs_map_block()