kobj_get_filesize
if (kobj_get_filesize(file, &fsize) != 0)
error = kobj_get_filesize(fh->fh_buf, (uint64_t *)&fh->fh_size);
extern int kobj_get_filesize(struct _buf *, uint64_t *size);
if (kobj_get_filesize(file, &fsize) != 0) {
if (kobj_get_filesize(eq, &size) < 0) {
i = kobj_get_filesize(file, &fsz);