2116 	down_read(&fs_info->dev_replace.rwsem);  in btrfs_num_devices()
2117 	if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace)) {  in btrfs_num_devices()
2121 	up_read(&fs_info->dev_replace.rwsem);  in btrfs_num_devices()
5998 	    fs_info->dev_replace.cont_reading_from_srcdev_mode ==  in find_live_mirror()
6000 		srcdev = fs_info->dev_replace.srcdev;  in find_live_mirror()
6225 				      struct btrfs_dev_replace *dev_replace,  in handle_ops_on_dev_replace()  argument
6229 	u64 srcdev_devid = dev_replace->srcdev->devid;  in handle_ops_on_dev_replace()
6243 	if (is_block_group_to_copy(dev_replace->srcdev->fs_info, logical))  in handle_ops_on_dev_replace()
6264 		new->dev = dev_replace->tgtdev;  in handle_ops_on_dev_replace()
6561 	struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;  in btrfs_map_block()  local
6587 	if (dev_replace->replace_task != current)  in btrfs_map_block()
6588 		down_read(&dev_replace->rwsem);  in btrfs_map_block()
6590 	dev_replace_is_ongoing = btrfs_dev_replace_is_ongoing(dev_replace);  in btrfs_map_block()
6595 	if (!dev_replace_is_ongoing && dev_replace->replace_task != current)  in btrfs_map_block()
6596 		up_read(&dev_replace->rwsem);  in btrfs_map_block()
6638 	if (dev_replace_is_ongoing && dev_replace->tgtdev != NULL &&  in btrfs_map_block()
6724 	if (dev_replace_is_ongoing && dev_replace->tgtdev != NULL &&  in btrfs_map_block()
6726 		handle_ops_on_dev_replace(bioc, dev_replace, logical, &io_geom);  in btrfs_map_block()
6735 	if (dev_replace_is_ongoing && dev_replace->replace_task != current) {  in btrfs_map_block()
6736 		lockdep_assert_held(&dev_replace->rwsem);  in btrfs_map_block()
6738 		up_read(&dev_replace->rwsem);  in btrfs_map_block()