diff --git a/arch/alpha/include/asm/fcntl.h b/arch/alpha/include/asm/fcntl.h
index 25da001..e42823e 100644
--- a/arch/alpha/include/asm/fcntl.h
+++ b/arch/alpha/include/asm/fcntl.h
@@ -26,6 +26,8 @@
 #define F_GETOWN	6	/*  for sockets. */
 #define F_SETSIG	10	/*  for sockets. */
 #define F_GETSIG	11	/*  for sockets. */
+#define F_SETOWN_EX	12
+#define F_GETOWN_EX	13
 
 /* for posix fcntl() and lockf() */
 #define F_RDLCK		1
diff --git a/arch/parisc/include/asm/fcntl.h b/arch/parisc/include/asm/fcntl.h
index 1e1c824..5f39d55 100644
--- a/arch/parisc/include/asm/fcntl.h
+++ b/arch/parisc/include/asm/fcntl.h
@@ -28,6 +28,8 @@
 #define F_SETOWN	12	/*  for sockets. */
 #define F_SETSIG	13	/*  for sockets. */
 #define F_GETSIG	14	/*  for sockets. */
+#define F_GETOWN_EX	15
+#define F_SETOWN_EX	16
 
 /* for posix fcntl() and lockf() */
 #define F_RDLCK		01
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 50a9889..fc089f2 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -263,6 +263,79 @@
 	return pid;
 }
 
+static int f_setown_ex(struct file *filp, unsigned long arg)
+{
+	struct f_owner_ex * __user owner_p = (void * __user)arg;
+	struct f_owner_ex owner;
+	struct pid *pid;
+	int type;
+	int ret;
+
+	ret = copy_from_user(&owner, owner_p, sizeof(owner));
+	if (ret)
+		return ret;
+
+	switch (owner.type) {
+	case F_OWNER_TID:
+		type = PIDTYPE_MAX;
+		break;
+
+	case F_OWNER_PID:
+		type = PIDTYPE_PID;
+		break;
+
+	case F_OWNER_GID:
+		type = PIDTYPE_PGID;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	rcu_read_lock();
+	pid = find_vpid(owner.pid);
+	if (owner.pid && !pid)
+		ret = -ESRCH;
+	else
+		ret = __f_setown(filp, pid, type, 1);
+	rcu_read_unlock();
+
+	return ret;
+}
+
+static int f_getown_ex(struct file *filp, unsigned long arg)
+{
+	struct f_owner_ex * __user owner_p = (void * __user)arg;
+	struct f_owner_ex owner;
+	int ret = 0;
+
+	read_lock(&filp->f_owner.lock);
+	owner.pid = pid_vnr(filp->f_owner.pid);
+	switch (filp->f_owner.pid_type) {
+	case PIDTYPE_MAX:
+		owner.type = F_OWNER_TID;
+		break;
+
+	case PIDTYPE_PID:
+		owner.type = F_OWNER_PID;
+		break;
+
+	case PIDTYPE_PGID:
+		owner.type = F_OWNER_GID;
+		break;
+
+	default:
+		WARN_ON(1);
+		ret = -EINVAL;
+		break;
+	}
+	read_unlock(&filp->f_owner.lock);
+
+	if (!ret)
+		ret = copy_to_user(owner_p, &owner, sizeof(owner));
+	return ret;
+}
+
 static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
 		struct file *filp)
 {
@@ -313,6 +386,12 @@
 	case F_SETOWN:
 		err = f_setown(filp, arg, 1);
 		break;
+	case F_GETOWN_EX:
+		err = f_getown_ex(filp, arg);
+		break;
+	case F_SETOWN_EX:
+		err = f_setown_ex(filp, arg);
+		break;
 	case F_GETSIG:
 		err = filp->f_owner.signum;
 		break;
@@ -428,8 +507,7 @@
 
 static void send_sigio_to_task(struct task_struct *p,
 			       struct fown_struct *fown,
-			       int fd,
-			       int reason)
+			       int fd, int reason, int group)
 {
 	/*
 	 * F_SETSIG can change ->signum lockless in parallel, make
@@ -461,11 +539,11 @@
 			else
 				si.si_band = band_table[reason - POLL_IN];
 			si.si_fd    = fd;
-			if (!do_send_sig_info(signum, &si, p, true))
+			if (!do_send_sig_info(signum, &si, p, group))
 				break;
 		/* fall-through: fall back on the old plain SIGIO signal */
 		case 0:
-			do_send_sig_info(SIGIO, SEND_SIG_PRIV, p, true);
+			do_send_sig_info(SIGIO, SEND_SIG_PRIV, p, group);
 	}
 }
 
@@ -474,16 +552,23 @@
 	struct task_struct *p;
 	enum pid_type type;
 	struct pid *pid;
+	int group = 1;
 	
 	read_lock(&fown->lock);
+
 	type = fown->pid_type;
+	if (type == PIDTYPE_MAX) {
+		group = 0;
+		type = PIDTYPE_PID;
+	}
+
 	pid = fown->pid;
 	if (!pid)
 		goto out_unlock_fown;
 	
 	read_lock(&tasklist_lock);
 	do_each_pid_task(pid, type, p) {
-		send_sigio_to_task(p, fown, fd, band);
+		send_sigio_to_task(p, fown, fd, band, group);
 	} while_each_pid_task(pid, type, p);
 	read_unlock(&tasklist_lock);
  out_unlock_fown:
@@ -491,10 +576,10 @@
 }
 
 static void send_sigurg_to_task(struct task_struct *p,
-                                struct fown_struct *fown)
+				struct fown_struct *fown, int group)
 {
 	if (sigio_perm(p, fown, SIGURG))
-		group_send_sig_info(SIGURG, SEND_SIG_PRIV, p);
+		do_send_sig_info(SIGURG, SEND_SIG_PRIV, p, group);
 }
 
 int send_sigurg(struct fown_struct *fown)
@@ -502,10 +587,17 @@
 	struct task_struct *p;
 	enum pid_type type;
 	struct pid *pid;
+	int group = 1;
 	int ret = 0;
 	
 	read_lock(&fown->lock);
+
 	type = fown->pid_type;
+	if (type == PIDTYPE_MAX) {
+		group = 0;
+		type = PIDTYPE_PID;
+	}
+
 	pid = fown->pid;
 	if (!pid)
 		goto out_unlock_fown;
@@ -514,7 +606,7 @@
 	
 	read_lock(&tasklist_lock);
 	do_each_pid_task(pid, type, p) {
-		send_sigurg_to_task(p, fown);
+		send_sigurg_to_task(p, fown, group);
 	} while_each_pid_task(pid, type, p);
 	read_unlock(&tasklist_lock);
  out_unlock_fown:
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index 4d3e483..0c3dd86 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -73,6 +73,19 @@
 #define F_SETSIG	10	/* for sockets. */
 #define F_GETSIG	11	/* for sockets. */
 #endif
+#ifndef F_SETOWN_EX
+#define F_SETOWN_EX	12
+#define F_GETOWN_EX	13
+#endif
+
+#define F_OWNER_TID	0
+#define F_OWNER_PID	1
+#define F_OWNER_GID	2
+
+struct f_owner_ex {
+	int	type;
+	pid_t	pid;
+};
 
 /* for F_[GET|SET]FL */
 #define FD_CLOEXEC	1	/* actually anything with low bit set goes */