btrfs_sysfs_remove_space_info 3176 fs/btrfs/block-group.c 		btrfs_sysfs_remove_space_info(space_info);
btrfs_sysfs_remove_space_info   38 fs/btrfs/sysfs.h void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info);