164 static int format_corename(struct core_name *cn, struct coredump_params *cprm)  in format_corename()  argument
224 					__get_dumpable(cprm->mm_flags));  in format_corename()
228 				err = cn_printf(cn, "%ld", cprm->siginfo->si_signo);  in format_corename()
520 	struct coredump_params cprm = {  in do_coredump()  local
537 	if (!__get_dumpable(cprm.mm_flags))  in do_coredump()
549 	if (__get_dumpable(cprm.mm_flags) == SUID_DUMP_ROOT) {  in do_coredump()
561 	ispipe = format_corename(&cn, &cprm);  in do_coredump()
574 		if (cprm.limit == 1) {  in do_coredump()
596 		cprm.limit = RLIM_INFINITY;  in do_coredump()
616 						umh_pipe_setup, NULL, &cprm);  in do_coredump()
632 		if (cprm.limit < binfmt->min_coredump)  in do_coredump()
684 			cprm.file = file_open_root(root.dentry, root.mnt,  in do_coredump()
688 			cprm.file = filp_open(cn.corename, open_flags, 0600);  in do_coredump()
690 		if (IS_ERR(cprm.file))  in do_coredump()
693 		inode = file_inode(cprm.file);  in do_coredump()
696 		if (d_unhashed(cprm.file->f_path.dentry))  in do_coredump()
714 		if (!(cprm.file->f_mode & FMODE_CAN_WRITE))  in do_coredump()
716 		if (do_truncate(cprm.file->f_path.dentry, 0, 0, cprm.file))  in do_coredump()
727 		file_start_write(cprm.file);  in do_coredump()
728 		core_dumped = binfmt->core_dump(&cprm);  in do_coredump()
729 		file_end_write(cprm.file);  in do_coredump()
732 		wait_for_dump_helpers(cprm.file);  in do_coredump()
734 	if (cprm.file)  in do_coredump()
735 		filp_close(cprm.file, NULL);  in do_coredump()
754 int dump_emit(struct coredump_params *cprm, const void *addr, int nr)  in dump_emit()  argument
756 	struct file *file = cprm->file;  in dump_emit()
759 	if (cprm->written + nr > cprm->limit)  in dump_emit()
768 		cprm->written += n;  in dump_emit()
775 int dump_skip(struct coredump_params *cprm, size_t nr)  in dump_skip()  argument
778 	struct file *file = cprm->file;  in dump_skip()
780 		if (cprm->written + nr > cprm->limit)  in dump_skip()
785 		cprm->written += nr;  in dump_skip()
789 			if (!dump_emit(cprm, zeroes, PAGE_SIZE))  in dump_skip()
793 		return dump_emit(cprm, zeroes, nr);  in dump_skip()
798 int dump_align(struct coredump_params *cprm, int align)  in dump_align()  argument
800 	unsigned mod = cprm->written & (align - 1);  in dump_align()
803 	return mod ? dump_skip(cprm, align - mod) : 1;  in dump_align()