XFS_IOC_FREESP64 1349 fs/xfs/linux-2.6/xfs_ioctl.c case XFS_IOC_FREESP64: XFS_IOC_FREESP64 437 fs/xfs/linux-2.6/xfs_ioctl32.c case XFS_IOC_FREESP64: XFS_IOC_FREESP64 3554 fs/xfs/xfs_vnodeops.c case XFS_IOC_FREESP64: