[PATCH] sem2mutex: drivers/mtd/

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: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 7ff403b..4160b83 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -18,6 +18,7 @@
 #include <linux/init.h>
 #include <linux/mtd/mtd.h>
 #include <linux/buffer_head.h>
+#include <linux/mutex.h>
 
 #define VERSION "$Revision: 1.30 $"
 
@@ -31,7 +32,7 @@
 	struct list_head list;
 	struct block_device *blkdev;
 	struct mtd_info mtd;
-	struct semaphore write_mutex;
+	struct mutex write_mutex;
 };
 
 
@@ -134,9 +135,9 @@
 	int err;
 
 	instr->state = MTD_ERASING;
-	down(&dev->write_mutex);
+	mutex_lock(&dev->write_mutex);
 	err = _block2mtd_erase(dev, from, len);
-	up(&dev->write_mutex);
+	mutex_unlock(&dev->write_mutex);
 	if (err) {
 		ERROR("erase failed err = %d", err);
 		instr->state = MTD_ERASE_FAILED;
@@ -249,9 +250,9 @@
 	if (to + len > mtd->size)
 		len = mtd->size - to;
 
-	down(&dev->write_mutex);
+	mutex_lock(&dev->write_mutex);
 	err = _block2mtd_write(dev, buf, to, len, retlen);
-	up(&dev->write_mutex);
+	mutex_unlock(&dev->write_mutex);
 	if (err > 0)
 		err = 0;
 	return err;
@@ -310,7 +311,7 @@
 		goto devinit_err;
 	}
 
-	init_MUTEX(&dev->write_mutex);
+	mutex_init(&dev->write_mutex);
 
 	/* Setup the MTD structure */
 	/* make the name contain the block device in */