2732 int kmsg_dump_register(struct kmsg_dumper *dumper)  in kmsg_dump_register()  argument
2738 	if (!dumper->dump)  in kmsg_dump_register()
2743 	if (!dumper->registered) {  in kmsg_dump_register()
2744 		dumper->registered = 1;  in kmsg_dump_register()
2745 		list_add_tail_rcu(&dumper->list, &dump_list);  in kmsg_dump_register()
2761 int kmsg_dump_unregister(struct kmsg_dumper *dumper)  in kmsg_dump_unregister()  argument
2767 	if (dumper->registered) {  in kmsg_dump_unregister()
2768 		dumper->registered = 0;  in kmsg_dump_unregister()
2769 		list_del_rcu(&dumper->list);  in kmsg_dump_unregister()
2792 	struct kmsg_dumper *dumper;  in kmsg_dump()  local
2799 	list_for_each_entry_rcu(dumper, &dump_list, list) {  in kmsg_dump()
2800 		if (dumper->max_reason && reason > dumper->max_reason)  in kmsg_dump()
2804 		dumper->active = true;  in kmsg_dump()
2807 		dumper->cur_seq = clear_seq;  in kmsg_dump()
2808 		dumper->cur_idx = clear_idx;  in kmsg_dump()
2809 		dumper->next_seq = log_next_seq;  in kmsg_dump()
2810 		dumper->next_idx = log_next_idx;  in kmsg_dump()
2814 		dumper->dump(dumper, reason);  in kmsg_dump()
2817 		dumper->active = false;  in kmsg_dump()
2841 bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line_nolock()  argument
2848 	if (!dumper->active)  in kmsg_dump_get_line_nolock()
2851 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_line_nolock()
2853 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_line_nolock()
2854 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_line_nolock()
2858 	if (dumper->cur_seq >= log_next_seq)  in kmsg_dump_get_line_nolock()
2861 	msg = log_from_idx(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
2864 	dumper->cur_idx = log_next(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
2865 	dumper->cur_seq++;  in kmsg_dump_get_line_nolock()
2890 bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line()  argument
2897 	ret = kmsg_dump_get_line_nolock(dumper, syslog, line, size, len);  in kmsg_dump_get_line()
2923 bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_buffer()  argument
2935 	if (!dumper->active)  in kmsg_dump_get_buffer()
2939 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_buffer()
2941 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_buffer()
2942 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_buffer()
2946 	if (dumper->cur_seq >= dumper->next_seq) {  in kmsg_dump_get_buffer()
2952 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
2953 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
2955 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
2965 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
2966 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
2968 	while (l > size && seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
2982 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
2991 	dumper->next_seq = next_seq;  in kmsg_dump_get_buffer()
2992 	dumper->next_idx = next_idx;  in kmsg_dump_get_buffer()
3012 void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper)  in kmsg_dump_rewind_nolock()  argument
3014 	dumper->cur_seq = clear_seq;  in kmsg_dump_rewind_nolock()
3015 	dumper->cur_idx = clear_idx;  in kmsg_dump_rewind_nolock()
3016 	dumper->next_seq = log_next_seq;  in kmsg_dump_rewind_nolock()
3017 	dumper->next_idx = log_next_idx;  in kmsg_dump_rewind_nolock()
3028 void kmsg_dump_rewind(struct kmsg_dumper *dumper)  in kmsg_dump_rewind()  argument
3033 	kmsg_dump_rewind_nolock(dumper);  in kmsg_dump_rewind()