59 struct task_entry {  struct
122 static void get_full_task_comm(struct task_entry *task_entry,  in get_full_task_comm()  argument
132 	__get_task_comm(task_entry->comm, TASK_COMM_LEN, task);  in get_full_task_comm()
133 	i = strlen(task_entry->comm);  in get_full_task_comm()
135 		task_entry->comm[i++] = ' ';  in get_full_task_comm()
145 				len = strlcpy(task_entry->comm + i, pathname,  in get_full_task_comm()
148 				task_entry->comm[i++] = ' ';  in get_full_task_comm()
162 			task_entry->comm[i++] = buf[offset];  in get_full_task_comm()
164 			task_entry->comm[i++] = ' ';  in get_full_task_comm()
171 	while (task_entry->comm[i-1] == ' ')  in get_full_task_comm()
173 	task_entry->comm[i] = '\0';  in get_full_task_comm()
176 static struct task_entry *find_task_entry(struct uid_entry *uid_entry,  in find_task_entry()
179 	struct task_entry *task_entry;  in find_task_entry()  local
181 	hash_for_each_possible(uid_entry->task_entries, task_entry, hash,  in find_task_entry()
183 		if (task->pid == task_entry->pid) {  in find_task_entry()
185 			int len = strnchr(task_entry->comm, ' ', TASK_COMM_LEN)  in find_task_entry()
186 				- task_entry->comm;  in find_task_entry()
188 			if (strncmp(task_entry->comm, task->comm, len))  in find_task_entry()
189 				get_full_task_comm(task_entry, task);  in find_task_entry()
190 			return task_entry;  in find_task_entry()
196 static struct task_entry *find_or_register_task(struct uid_entry *uid_entry,  in find_or_register_task()
199 	struct task_entry *task_entry;  in find_or_register_task()  local
202 	task_entry = find_task_entry(uid_entry, task);  in find_or_register_task()
203 	if (task_entry)  in find_or_register_task()
204 		return task_entry;  in find_or_register_task()
206 	task_entry = kzalloc(sizeof(struct task_entry), GFP_ATOMIC);  in find_or_register_task()
207 	if (!task_entry)  in find_or_register_task()
210 	get_full_task_comm(task_entry, task);  in find_or_register_task()
212 	task_entry->pid = pid;  in find_or_register_task()
213 	hash_add(uid_entry->task_entries, &task_entry->hash, (unsigned int)pid);  in find_or_register_task()
215 	return task_entry;  in find_or_register_task()
220 	struct task_entry *task_entry;  in remove_uid_tasks()  local
225 			tmp_task, task_entry, hash) {  in remove_uid_tasks()
226 		hash_del(&task_entry->hash);  in remove_uid_tasks()
227 		kfree(task_entry);  in remove_uid_tasks()
233 	struct task_entry *task_entry;  in set_io_uid_tasks_zero()  local
236 	hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {  in set_io_uid_tasks_zero()
237 		memset(&task_entry->io[UID_STATE_TOTAL_CURR], 0,  in set_io_uid_tasks_zero()
245 	struct task_entry *task_entry = find_or_register_task(uid_entry, task);  in add_uid_tasks_io_stats()  local
246 	struct io_stats *task_io_slot = &task_entry->io[slot];  in add_uid_tasks_io_stats()
257 	struct task_entry *task_entry;  in compute_io_uid_tasks()  local
260 	hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {  in compute_io_uid_tasks()
261 		compute_io_bucket_stats(&task_entry->io[uid_entry->state],  in compute_io_uid_tasks()
262 					&task_entry->io[UID_STATE_TOTAL_CURR],  in compute_io_uid_tasks()
263 					&task_entry->io[UID_STATE_TOTAL_LAST],  in compute_io_uid_tasks()
264 					&task_entry->io[UID_STATE_DEAD_TASKS]);  in compute_io_uid_tasks()
270 	struct task_entry *task_entry;  in show_io_uid_tasks()  local
273 	hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {  in show_io_uid_tasks()
276 				task_entry->comm,  in show_io_uid_tasks()
277 				(unsigned long)task_entry->pid,  in show_io_uid_tasks()
278 				task_entry->io[UID_STATE_FOREGROUND].rchar,  in show_io_uid_tasks()
279 				task_entry->io[UID_STATE_FOREGROUND].wchar,  in show_io_uid_tasks()
280 				task_entry->io[UID_STATE_FOREGROUND].read_bytes,  in show_io_uid_tasks()
281 				task_entry->io[UID_STATE_FOREGROUND].write_bytes,  in show_io_uid_tasks()
282 				task_entry->io[UID_STATE_BACKGROUND].rchar,  in show_io_uid_tasks()
283 				task_entry->io[UID_STATE_BACKGROUND].wchar,  in show_io_uid_tasks()
284 				task_entry->io[UID_STATE_BACKGROUND].read_bytes,  in show_io_uid_tasks()
285 				task_entry->io[UID_STATE_BACKGROUND].write_bytes,  in show_io_uid_tasks()
286 				task_entry->io[UID_STATE_FOREGROUND].fsync,  in show_io_uid_tasks()
287 				task_entry->io[UID_STATE_BACKGROUND].fsync);  in show_io_uid_tasks()