3126 int kmsg_dump_register(struct kmsg_dumper *dumper)  in kmsg_dump_register()  argument
3132 	if (!dumper->dump)  in kmsg_dump_register()
3137 	if (!dumper->registered) {  in kmsg_dump_register()
3138 		dumper->registered = 1;  in kmsg_dump_register()
3139 		list_add_tail_rcu(&dumper->list, &dump_list);  in kmsg_dump_register()
3155 int kmsg_dump_unregister(struct kmsg_dumper *dumper)  in kmsg_dump_unregister()  argument
3161 	if (dumper->registered) {  in kmsg_dump_unregister()
3162 		dumper->registered = 0;  in kmsg_dump_unregister()
3163 		list_del_rcu(&dumper->list);  in kmsg_dump_unregister()
3203 	struct kmsg_dumper *dumper;  in kmsg_dump()  local
3207 	list_for_each_entry_rcu(dumper, &dump_list, list) {  in kmsg_dump()
3208 		enum kmsg_dump_reason max_reason = dumper->max_reason;  in kmsg_dump()
3222 		dumper->active = true;  in kmsg_dump()
3225 		dumper->cur_seq = clear_seq;  in kmsg_dump()
3226 		dumper->next_seq = prb_next_seq(prb);  in kmsg_dump()
3230 		dumper->dump(dumper, reason);  in kmsg_dump()
3233 		dumper->active = false;  in kmsg_dump()
3257 bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line_nolock()  argument
3268 	if (!dumper->active)  in kmsg_dump_get_line_nolock()
3273 		if (!prb_read_valid(prb, dumper->cur_seq, &r))  in kmsg_dump_get_line_nolock()
3277 		if (!prb_read_valid_info(prb, dumper->cur_seq,  in kmsg_dump_get_line_nolock()
3286 	dumper->cur_seq = r.info->seq + 1;  in kmsg_dump_get_line_nolock()
3311 bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line()  argument
3318 	ret = kmsg_dump_get_line_nolock(dumper, syslog, line, size, len);  in kmsg_dump_get_line()
3344 bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_buffer()  argument
3359 	if (!dumper->active || !buf || !size)  in kmsg_dump_get_buffer()
3363 	if (dumper->cur_seq < prb_first_valid_seq(prb)) {  in kmsg_dump_get_buffer()
3365 		dumper->cur_seq = prb_first_valid_seq(prb);  in kmsg_dump_get_buffer()
3369 	if (dumper->cur_seq >= dumper->next_seq) {  in kmsg_dump_get_buffer()
3375 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3377 		if (r.info->seq >= dumper->next_seq)  in kmsg_dump_get_buffer()
3384 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3387 		if (r.info->seq >= dumper->next_seq)  in kmsg_dump_get_buffer()
3399 		if (r.info->seq >= dumper->next_seq)  in kmsg_dump_get_buffer()
3410 	dumper->next_seq = next_seq;  in kmsg_dump_get_buffer()
3430 void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper)  in kmsg_dump_rewind_nolock()  argument
3432 	dumper->cur_seq = clear_seq;  in kmsg_dump_rewind_nolock()
3433 	dumper->next_seq = prb_next_seq(prb);  in kmsg_dump_rewind_nolock()
3444 void kmsg_dump_rewind(struct kmsg_dumper *dumper)  in kmsg_dump_rewind()  argument
3449 	kmsg_dump_rewind_nolock(dumper);  in kmsg_dump_rewind()