90 	size_t                  msgsz;  member
186 static inline bool msg_fits_inqueue(struct msg_queue *msq, size_t msgsz)  in msg_fits_inqueue()  argument
188 	return msgsz + msq->q_cbytes <= msq->q_qbytes &&  in msg_fits_inqueue()
193 			  struct msg_sender *mss, size_t msgsz)  in ss_add()  argument
196 	mss->msgsz = msgsz;  in ss_add()
236 		else if (!msg_fits_inqueue(msq, mss->msgsz)) {  in ss_wakeup()
843 		size_t msgsz, int msgflg)  in do_msgsnd()  argument
853 	if (msgsz > ns->msg_ctlmax || (long) msgsz < 0 || msqid < 0)  in do_msgsnd()
858 	msg = load_msg(mtext, msgsz);  in do_msgsnd()
863 	msg->m_ts = msgsz;  in do_msgsnd()
891 		if (msg_fits_inqueue(msq, msgsz))  in do_msgsnd()
901 		ss_add(msq, &s, msgsz);  in do_msgsnd()
936 		msq->q_cbytes += msgsz;  in do_msgsnd()
938 		atomic_add(msgsz, &ns->msg_bytes);  in do_msgsnd()
955 long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,  in ksys_msgsnd()  argument
962 	return do_msgsnd(msqid, mtype, msgp->mtext, msgsz, msgflg);  in ksys_msgsnd()
965 SYSCALL_DEFINE4(msgsnd, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz,  in SYSCALL_DEFINE4()  argument
968 	return ksys_msgsnd(msqid, msgp, msgsz, msgflg);  in SYSCALL_DEFINE4()
979 		       compat_ssize_t msgsz, int msgflg)  in compat_ksys_msgsnd()  argument
986 	return do_msgsnd(msqid, mtype, up->mtext, (ssize_t)msgsz, msgflg);  in compat_ksys_msgsnd()
990 		       compat_ssize_t, msgsz, int, msgflg)  in COMPAT_SYSCALL_DEFINE4()  argument
992 	return compat_ksys_msgsnd(msqid, msgp, msgsz, msgflg);  in COMPAT_SYSCALL_DEFINE4()
1023 	size_t msgsz;  in do_msg_fill()  local
1028 	msgsz = (bufsz > msg->m_ts) ? msg->m_ts : bufsz;  in do_msg_fill()
1029 	if (store_msg(msgp->mtext, msg, msgsz))  in do_msg_fill()
1031 	return msgsz;  in do_msg_fill()
1258 long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,  in ksys_msgrcv()  argument
1261 	return do_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg, do_msg_fill);  in ksys_msgrcv()
1264 SYSCALL_DEFINE5(msgrcv, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz,  in SYSCALL_DEFINE5()  argument
1267 	return ksys_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg);  in SYSCALL_DEFINE5()
1274 	size_t msgsz;  in compat_do_msg_fill()  local
1279 	msgsz = (bufsz > msg->m_ts) ? msg->m_ts : bufsz;  in compat_do_msg_fill()
1280 	if (store_msg(msgp->mtext, msg, msgsz))  in compat_do_msg_fill()
1282 	return msgsz;  in compat_do_msg_fill()
1285 long compat_ksys_msgrcv(int msqid, compat_uptr_t msgp, compat_ssize_t msgsz,  in compat_ksys_msgrcv()  argument
1288 	return do_msgrcv(msqid, compat_ptr(msgp), (ssize_t)msgsz, (long)msgtyp,  in compat_ksys_msgrcv()
1293 		       compat_ssize_t, msgsz, compat_long_t, msgtyp,  in COMPAT_SYSCALL_DEFINE5()  argument
1296 	return compat_ksys_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg);  in COMPAT_SYSCALL_DEFINE5()