2810 int kmsg_dump_register(struct kmsg_dumper *dumper)  in kmsg_dump_register()  argument
2816 	if (!dumper->dump)  in kmsg_dump_register()
2821 	if (!dumper->registered) {  in kmsg_dump_register()
2822 		dumper->registered = 1;  in kmsg_dump_register()
2823 		list_add_tail_rcu(&dumper->list, &dump_list);  in kmsg_dump_register()
2839 int kmsg_dump_unregister(struct kmsg_dumper *dumper)  in kmsg_dump_unregister()  argument
2845 	if (dumper->registered) {  in kmsg_dump_unregister()
2846 		dumper->registered = 0;  in kmsg_dump_unregister()
2847 		list_del_rcu(&dumper->list);  in kmsg_dump_unregister()
2870 	struct kmsg_dumper *dumper;  in kmsg_dump()  local
2877 	list_for_each_entry_rcu(dumper, &dump_list, list) {  in kmsg_dump()
2878 		if (dumper->max_reason && reason > dumper->max_reason)  in kmsg_dump()
2882 		dumper->active = true;  in kmsg_dump()
2885 		dumper->cur_seq = clear_seq;  in kmsg_dump()
2886 		dumper->cur_idx = clear_idx;  in kmsg_dump()
2887 		dumper->next_seq = log_next_seq;  in kmsg_dump()
2888 		dumper->next_idx = log_next_idx;  in kmsg_dump()
2892 		dumper->dump(dumper, reason);  in kmsg_dump()
2895 		dumper->active = false;  in kmsg_dump()
2919 bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line_nolock()  argument
2926 	if (!dumper->active)  in kmsg_dump_get_line_nolock()
2929 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_line_nolock()
2931 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_line_nolock()
2932 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_line_nolock()
2936 	if (dumper->cur_seq >= log_next_seq)  in kmsg_dump_get_line_nolock()
2939 	msg = log_from_idx(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
2942 	dumper->cur_idx = log_next(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
2943 	dumper->cur_seq++;  in kmsg_dump_get_line_nolock()
2968 bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line()  argument
2975 	ret = kmsg_dump_get_line_nolock(dumper, syslog, line, size, len);  in kmsg_dump_get_line()
3001 bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_buffer()  argument
3013 	if (!dumper->active)  in kmsg_dump_get_buffer()
3017 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_buffer()
3019 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_buffer()
3020 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_buffer()
3024 	if (dumper->cur_seq >= dumper->next_seq) {  in kmsg_dump_get_buffer()
3030 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3031 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
3033 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3043 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3044 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
3046 	while (l > size && seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3060 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3069 	dumper->next_seq = next_seq;  in kmsg_dump_get_buffer()
3070 	dumper->next_idx = next_idx;  in kmsg_dump_get_buffer()
3090 void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper)  in kmsg_dump_rewind_nolock()  argument
3092 	dumper->cur_seq = clear_seq;  in kmsg_dump_rewind_nolock()
3093 	dumper->cur_idx = clear_idx;  in kmsg_dump_rewind_nolock()
3094 	dumper->next_seq = log_next_seq;  in kmsg_dump_rewind_nolock()
3095 	dumper->next_idx = log_next_idx;  in kmsg_dump_rewind_nolock()
3106 void kmsg_dump_rewind(struct kmsg_dumper *dumper)  in kmsg_dump_rewind()  argument
3111 	kmsg_dump_rewind_nolock(dumper);  in kmsg_dump_rewind()