71 	struct task_struct *p, *g;  in SYSCALL_DEFINE3()  local
86 				p = current;  in SYSCALL_DEFINE3()
88 				p = find_task_by_vpid(who);  in SYSCALL_DEFINE3()
89 			if (p)  in SYSCALL_DEFINE3()
90 				ret = set_task_ioprio(p, ioprio);  in SYSCALL_DEFINE3()
99 			do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {  in SYSCALL_DEFINE3()
100 				ret = set_task_ioprio(p, ioprio);  in SYSCALL_DEFINE3()
105 			} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);  in SYSCALL_DEFINE3()
121 			for_each_process_thread(g, p) {  in SYSCALL_DEFINE3()
122 				if (!uid_eq(task_uid(p), uid) ||  in SYSCALL_DEFINE3()
123 				    !task_pid_vnr(p))  in SYSCALL_DEFINE3()
125 				ret = set_task_ioprio(p, ioprio);  in SYSCALL_DEFINE3()
149 int __get_task_ioprio(struct task_struct *p)  in __get_task_ioprio()  argument
151 	struct io_context *ioc = p->io_context;  in __get_task_ioprio()
154 	if (p != current)  in __get_task_ioprio()
155 		lockdep_assert_held(&p->alloc_lock);  in __get_task_ioprio()
162 		prio = IOPRIO_PRIO_VALUE(task_nice_ioclass(p),  in __get_task_ioprio()
163 					 task_nice_ioprio(p));  in __get_task_ioprio()
168 static int get_task_ioprio(struct task_struct *p)  in get_task_ioprio()  argument
172 	ret = security_task_getioprio(p);  in get_task_ioprio()
175 	task_lock(p);  in get_task_ioprio()
176 	ret = __get_task_ioprio(p);  in get_task_ioprio()
177 	task_unlock(p);  in get_task_ioprio()
188 static int get_task_raw_ioprio(struct task_struct *p)  in get_task_raw_ioprio()  argument
192 	ret = security_task_getioprio(p);  in get_task_raw_ioprio()
195 	task_lock(p);  in get_task_raw_ioprio()
196 	if (p->io_context)  in get_task_raw_ioprio()
197 		ret = p->io_context->ioprio;  in get_task_raw_ioprio()
200 	task_unlock(p);  in get_task_raw_ioprio()
212 	struct task_struct *g, *p;  in SYSCALL_DEFINE2()  local
223 				p = current;  in SYSCALL_DEFINE2()
225 				p = find_task_by_vpid(who);  in SYSCALL_DEFINE2()
226 			if (p)  in SYSCALL_DEFINE2()
227 				ret = get_task_raw_ioprio(p);  in SYSCALL_DEFINE2()
235 			do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {  in SYSCALL_DEFINE2()
236 				tmpio = get_task_ioprio(p);  in SYSCALL_DEFINE2()
243 			} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);  in SYSCALL_DEFINE2()
257 			for_each_process_thread(g, p) {  in SYSCALL_DEFINE2()
258 				if (!uid_eq(task_uid(p), user->uid) ||  in SYSCALL_DEFINE2()
259 				    !task_pid_vnr(p))  in SYSCALL_DEFINE2()
261 				tmpio = get_task_ioprio(p);  in SYSCALL_DEFINE2()