KERNFS_FILEOP_READ
{ .kf_fileop = KERNFS_FILEOP_READ, .kf_vop = pciback_kernfs_read },
{ .kf_fileop = KERNFS_FILEOP_READ, .kf_vop = xenbus_dev_read },
{ .kf_fileop = KERNFS_FILEOP_READ, .kf_vop = xsd_port_read },
{ .kf_fileop = KERNFS_FILEOP_READ,
return kernfs_try_fileop(kfs->kfs_type, KERNFS_FILEOP_READ, v,