2398 is_sendfile(struct file *fp, struct file *ofp)  in is_sendfile()  argument
2413 	if (ofp->f_type != DTYPE_SOCKET)  in is_sendfile()
2415 	so = ofp->f_data;  in is_sendfile()
2441 	struct file *ofp;  in sendfile_fallback()  local
2458 	error = fget_write(td, out, &cap_pwrite_rights, &ofp);  in sendfile_fallback()
2461 	seekable = (ofp->f_ops->fo_flags & DFLAG_SEEKABLE) != 0;  in sendfile_fallback()
2463 		if ((error = fo_seek(ofp, 0, SEEK_CUR, td)) != 0)  in sendfile_fallback()
2499 		error = fo_write(ofp, &auio, ofp->f_cred, flags, td);  in sendfile_fallback()
2516 		error = fo_seek(ofp, out_offset, SEEK_SET, td);  in sendfile_fallback()
2519 	fdrop(ofp, td);  in sendfile_fallback()
2554 	struct file *fp, *ofp;  in linux_sendfile_common()  local
2572 	error = fget_unlocked(td, out, &cap_no_rights, &ofp);  in linux_sendfile_common()
2576 	if (is_regular_file(fp) && is_regular_file(ofp)) {  in linux_sendfile_common()
2581 		if (is_sendfile(fp, ofp))  in linux_sendfile_common()
2587 		if (error == ENOBUFS && (ofp->f_flag & FNONBLOCK) != 0)  in linux_sendfile_common()
2592 	fdrop(ofp, td);  in linux_sendfile_common()