From 353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 26 Mar 2006 01:37:12 -0800
Subject: [PATCH] sem2mutex: fs/

Semaphore to mutex conversion.

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

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org>
Cc: Robert Love <rml@tech9.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 fs/partitions/devfs.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'fs/partitions')

diff --git a/fs/partitions/devfs.c b/fs/partitions/devfs.c
index 87f50444fd39..3f0a780c9cec 100644
--- a/fs/partitions/devfs.c
+++ b/fs/partitions/devfs.c
@@ -6,7 +6,7 @@
 #include <linux/vmalloc.h>
 #include <linux/genhd.h>
 #include <linux/bitops.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 
 struct unique_numspace {
@@ -16,7 +16,7 @@ struct unique_numspace {
 	struct semaphore  mutex;
 };
 
-static DECLARE_MUTEX(numspace_mutex);
+static DEFINE_MUTEX(numspace_mutex);
 
 static int expand_numspace(struct unique_numspace *s)
 {
@@ -48,7 +48,7 @@ static int alloc_unique_number(struct unique_numspace *s)
 {
 	int rval = 0;
 
-	down(&numspace_mutex);
+	mutex_lock(&numspace_mutex);
 	if (s->num_free < 1)
 		rval = expand_numspace(s);
 	if (!rval) {
@@ -56,7 +56,7 @@ static int alloc_unique_number(struct unique_numspace *s)
 		--s->num_free;
 		__set_bit(rval, s->bits);
 	}
-	up(&numspace_mutex);
+	mutex_unlock(&numspace_mutex);
 
 	return rval;
 }
@@ -66,11 +66,11 @@ static void dealloc_unique_number(struct unique_numspace *s, int number)
 	int old_val;
 
 	if (number >= 0) {
-		down(&numspace_mutex);
+		mutex_lock(&numspace_mutex);
 		old_val = __test_and_clear_bit(number, s->bits);
 		if (old_val)
 			++s->num_free;
-		up(&numspace_mutex);
+		mutex_unlock(&numspace_mutex);
 	}
 }
 
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