2976 int kmsg_dump_register(struct kmsg_dumper *dumper)  in kmsg_dump_register()  argument
2982 	if (!dumper->dump)  in kmsg_dump_register()
2987 	if (!dumper->registered) {  in kmsg_dump_register()
2988 		dumper->registered = 1;  in kmsg_dump_register()
2989 		list_add_tail_rcu(&dumper->list, &dump_list);  in kmsg_dump_register()
3005 int kmsg_dump_unregister(struct kmsg_dumper *dumper)  in kmsg_dump_unregister()  argument
3011 	if (dumper->registered) {  in kmsg_dump_unregister()
3012 		dumper->registered = 0;  in kmsg_dump_unregister()
3013 		list_del_rcu(&dumper->list);  in kmsg_dump_unregister()
3036 	struct kmsg_dumper *dumper;  in kmsg_dump()  local
3043 	list_for_each_entry_rcu(dumper, &dump_list, list) {  in kmsg_dump()
3044 		if (dumper->max_reason && reason > dumper->max_reason)  in kmsg_dump()
3048 		dumper->active = true;  in kmsg_dump()
3051 		dumper->cur_seq = clear_seq;  in kmsg_dump()
3052 		dumper->cur_idx = clear_idx;  in kmsg_dump()
3053 		dumper->next_seq = log_next_seq;  in kmsg_dump()
3054 		dumper->next_idx = log_next_idx;  in kmsg_dump()
3058 		dumper->dump(dumper, reason);  in kmsg_dump()
3061 		dumper->active = false;  in kmsg_dump()
3085 bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line_nolock()  argument
3092 	if (!dumper->active)  in kmsg_dump_get_line_nolock()
3095 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_line_nolock()
3097 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_line_nolock()
3098 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_line_nolock()
3102 	if (dumper->cur_seq >= log_next_seq)  in kmsg_dump_get_line_nolock()
3105 	msg = log_from_idx(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
3108 	dumper->cur_idx = log_next(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
3109 	dumper->cur_seq++;  in kmsg_dump_get_line_nolock()
3134 bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line()  argument
3141 	ret = kmsg_dump_get_line_nolock(dumper, syslog, line, size, len);  in kmsg_dump_get_line()
3167 bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_buffer()  argument
3178 	if (!dumper->active)  in kmsg_dump_get_buffer()
3182 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_buffer()
3184 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_buffer()
3185 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_buffer()
3189 	if (dumper->cur_seq >= dumper->next_seq) {  in kmsg_dump_get_buffer()
3195 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3196 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
3197 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3206 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3207 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
3208 	while (l > size && seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3221 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3229 	dumper->next_seq = next_seq;  in kmsg_dump_get_buffer()
3230 	dumper->next_idx = next_idx;  in kmsg_dump_get_buffer()
3250 void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper)  in kmsg_dump_rewind_nolock()  argument
3252 	dumper->cur_seq = clear_seq;  in kmsg_dump_rewind_nolock()
3253 	dumper->cur_idx = clear_idx;  in kmsg_dump_rewind_nolock()
3254 	dumper->next_seq = log_next_seq;  in kmsg_dump_rewind_nolock()
3255 	dumper->next_idx = log_next_idx;  in kmsg_dump_rewind_nolock()
3266 void kmsg_dump_rewind(struct kmsg_dumper *dumper)  in kmsg_dump_rewind()  argument
3271 	kmsg_dump_rewind_nolock(dumper);  in kmsg_dump_rewind()