3054 int kmsg_dump_register(struct kmsg_dumper *dumper)  in kmsg_dump_register()  argument
3060 	if (!dumper->dump)  in kmsg_dump_register()
3065 	if (!dumper->registered) {  in kmsg_dump_register()
3066 		dumper->registered = 1;  in kmsg_dump_register()
3067 		list_add_tail_rcu(&dumper->list, &dump_list);  in kmsg_dump_register()
3083 int kmsg_dump_unregister(struct kmsg_dumper *dumper)  in kmsg_dump_unregister()  argument
3089 	if (dumper->registered) {  in kmsg_dump_unregister()
3090 		dumper->registered = 0;  in kmsg_dump_unregister()
3091 		list_del_rcu(&dumper->list);  in kmsg_dump_unregister()
3114 	struct kmsg_dumper *dumper;  in kmsg_dump()  local
3121 	list_for_each_entry_rcu(dumper, &dump_list, list) {  in kmsg_dump()
3122 		if (dumper->max_reason && reason > dumper->max_reason)  in kmsg_dump()
3126 		dumper->active = true;  in kmsg_dump()
3129 		dumper->cur_seq = clear_seq;  in kmsg_dump()
3130 		dumper->cur_idx = clear_idx;  in kmsg_dump()
3131 		dumper->next_seq = log_next_seq;  in kmsg_dump()
3132 		dumper->next_idx = log_next_idx;  in kmsg_dump()
3136 		dumper->dump(dumper, reason);  in kmsg_dump()
3139 		dumper->active = false;  in kmsg_dump()
3163 bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line_nolock()  argument
3170 	if (!dumper->active)  in kmsg_dump_get_line_nolock()
3173 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_line_nolock()
3175 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_line_nolock()
3176 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_line_nolock()
3180 	if (dumper->cur_seq >= log_next_seq)  in kmsg_dump_get_line_nolock()
3183 	msg = log_from_idx(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
3186 	dumper->cur_idx = log_next(dumper->cur_idx);  in kmsg_dump_get_line_nolock()
3187 	dumper->cur_seq++;  in kmsg_dump_get_line_nolock()
3212 bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_line()  argument
3219 	ret = kmsg_dump_get_line_nolock(dumper, syslog, line, size, len);  in kmsg_dump_get_line()
3245 bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,  in kmsg_dump_get_buffer()  argument
3257 	if (!dumper->active)  in kmsg_dump_get_buffer()
3261 	if (dumper->cur_seq < log_first_seq) {  in kmsg_dump_get_buffer()
3263 		dumper->cur_seq = log_first_seq;  in kmsg_dump_get_buffer()
3264 		dumper->cur_idx = log_first_idx;  in kmsg_dump_get_buffer()
3268 	if (dumper->cur_seq >= dumper->next_seq) {  in kmsg_dump_get_buffer()
3274 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3275 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
3276 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3285 	seq = dumper->cur_seq;  in kmsg_dump_get_buffer()
3286 	idx = dumper->cur_idx;  in kmsg_dump_get_buffer()
3287 	while (l >= size && seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3300 	while (seq < dumper->next_seq) {  in kmsg_dump_get_buffer()
3308 	dumper->next_seq = next_seq;  in kmsg_dump_get_buffer()
3309 	dumper->next_idx = next_idx;  in kmsg_dump_get_buffer()
3329 void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper)  in kmsg_dump_rewind_nolock()  argument
3331 	dumper->cur_seq = clear_seq;  in kmsg_dump_rewind_nolock()
3332 	dumper->cur_idx = clear_idx;  in kmsg_dump_rewind_nolock()
3333 	dumper->next_seq = log_next_seq;  in kmsg_dump_rewind_nolock()
3334 	dumper->next_idx = log_next_idx;  in kmsg_dump_rewind_nolock()
3345 void kmsg_dump_rewind(struct kmsg_dumper *dumper)  in kmsg_dump_rewind()  argument
3350 	kmsg_dump_rewind_nolock(dumper);  in kmsg_dump_rewind()