[PATCH] use set_current_state in fs

Patch from Robert Love <rml@tech9.net>

This patch is by Inaky Perez-Gonzalez.

There are a couple uses of 'p->state=foo' in fs/ which are open coded.
This patch converts them to the proper [__]set_current_state() function.

fs/exec.c

@@ -633,7 +633,7 @@ static inline int de_thread(struct task_struct *tsk)
 		count = 1;
 	while (atomic_read(&oldsig->count) > count) {
 		oldsig->group_exit_task = current;
-		current->state = TASK_UNINTERRUPTIBLE;
+		__set_current_state(TASK_UNINTERRUPTIBLE);
 		spin_unlock_irq(lock);
 		schedule();
 		spin_lock_irq(lock);

fs/inode.c

@@ -1214,7 +1214,7 @@ void __wait_on_inode(struct inode *inode)
 		goto repeat;
 	}
 	remove_wait_queue(wq, &wait);
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 }
 
 void wake_up_inode(struct inode *inode)

fs/locks.c

@@ -565,7 +565,7 @@ static int interruptible_sleep_on_locked(wait_queue_head_t *fl_wait, int timeout
 	int result = 0;
 	DECLARE_WAITQUEUE(wait, current);
 
-	current->state = TASK_INTERRUPTIBLE;
+	__set_current_state(TASK_INTERRUPTIBLE);
 	add_wait_queue(fl_wait, &wait);
 	if (timeout == 0)
 		schedule();
@@ -574,7 +574,7 @@ static int interruptible_sleep_on_locked(wait_queue_head_t *fl_wait, int timeout
 	if (signal_pending(current))
 		result = -ERESTARTSYS;
 	remove_wait_queue(fl_wait, &wait);
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	return result;
 }
 

fs/select.c

@@ -235,7 +235,7 @@ int do_select(int n, fd_set_bits *fds, long *timeout)
 		}
 		__timeout = schedule_timeout(__timeout);
 	}
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 
 	poll_freewait(&table);
 
@@ -425,7 +425,7 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
 			break;
 		timeout = schedule_timeout(timeout);
 	}
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	return count;
 }