[NET] sem2mutex: net/

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 15 insertions, 13 deletions

diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index dcaa0c4..0acccfe 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -26,6 +26,7 @@
 #include <linux/proc_fs.h>
 #include <linux/net.h>
 #include <linux/workqueue.h>
+#include <linux/mutex.h>
 #include <asm/ioctls.h>
 #include <linux/sunrpc/types.h>
 #include <linux/sunrpc/cache.h>
@@ -532,7 +533,7 @@ void cache_clean_deferred(void *owner)
  */
 
 static DEFINE_SPINLOCK(queue_lock);
-static DECLARE_MUTEX(queue_io_sem);
+static DEFINE_MUTEX(queue_io_mutex);
 
 struct cache_queue {
 	struct list_head	list;
@@ -561,7 +562,7 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
 	if (count == 0)
 		return 0;
 
-	down(&queue_io_sem); /* protect against multiple concurrent
+	mutex_lock(&queue_io_mutex); /* protect against multiple concurrent
 			      * readers on this file */
  again:
 	spin_lock(&queue_lock);
@@ -574,7 +575,7 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
 	}
 	if (rp->q.list.next == &cd->queue) {
 		spin_unlock(&queue_lock);
-		up(&queue_io_sem);
+		mutex_unlock(&queue_io_mutex);
 		BUG_ON(rp->offset);
 		return 0;
 	}
@@ -621,11 +622,11 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
 	}
 	if (err == -EAGAIN)
 		goto again;
-	up(&queue_io_sem);
+	mutex_unlock(&queue_io_mutex);
 	return err ? err :  count;
 }
 
-static char write_buf[8192]; /* protected by queue_io_sem */
+static char write_buf[8192]; /* protected by queue_io_mutex */
 
 static ssize_t
 cache_write(struct file *filp, const char __user *buf, size_t count,
@@ -639,10 +640,10 @@ cache_write(struct file *filp, const char __user *buf, size_t count,
 	if (count >= sizeof(write_buf))
 		return -EINVAL;
 
-	down(&queue_io_sem);
+	mutex_lock(&queue_io_mutex);
 
 	if (copy_from_user(write_buf, buf, count)) {
-		up(&queue_io_sem);
+		mutex_unlock(&queue_io_mutex);
 		return -EFAULT;
 	}
 	write_buf[count] = '\0';
@@ -651,7 +652,7 @@ cache_write(struct file *filp, const char __user *buf, size_t count,
 	else
 		err = -EINVAL;
 
-	up(&queue_io_sem);
+	mutex_unlock(&queue_io_mutex);
 	return err ? err : count;
 }
 
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index e838d04..dff0779 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -18,6 +18,7 @@
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/xprt.h>
@@ -62,7 +63,7 @@ static LIST_HEAD(all_tasks);
 /*
  * rpciod-related stuff
  */
-static DECLARE_MUTEX(rpciod_sema);
+static DEFINE_MUTEX(rpciod_mutex);
 static unsigned int		rpciod_users;
 static struct workqueue_struct *rpciod_workqueue;
 
@@ -1047,7 +1048,7 @@ rpciod_up(void)
 	struct workqueue_struct *wq;
 	int error = 0;
 
-	down(&rpciod_sema);
+	mutex_lock(&rpciod_mutex);
 	dprintk("rpciod_up: users %d\n", rpciod_users);
 	rpciod_users++;
 	if (rpciod_workqueue)
@@ -1070,14 +1071,14 @@ rpciod_up(void)
 	rpciod_workqueue = wq;
 	error = 0;
 out:
-	up(&rpciod_sema);
+	mutex_unlock(&rpciod_mutex);
 	return error;
 }
 
 void
 rpciod_down(void)
 {
-	down(&rpciod_sema);
+	mutex_lock(&rpciod_mutex);
 	dprintk("rpciod_down sema %d\n", rpciod_users);
 	if (rpciod_users) {
 		if (--rpciod_users)
@@ -1094,7 +1095,7 @@ rpciod_down(void)
 	destroy_workqueue(rpciod_workqueue);
 	rpciod_workqueue = NULL;
  out:
-	up(&rpciod_sema);
+	mutex_unlock(&rpciod_mutex);
 }
 
 #ifdef RPC_DEBUG