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path: root/drivers/block/xd.c
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Diffstat (limited to 'drivers/block/xd.c')
-rw-r--r--drivers/block/xd.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index d5a3cd750561..4abd2bcd20fb 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -46,7 +46,7 @@
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/blkdev.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/blkpg.h>
#include <linux/delay.h>
#include <linux/io.h>
@@ -58,6 +58,7 @@
#include "xd.h"
+static DEFINE_MUTEX(xd_mutex);
static void __init do_xd_setup (int *integers);
#ifdef MODULE
static int xd[5] = { -1,-1,-1,-1, };
@@ -381,9 +382,9 @@ static int xd_ioctl(struct block_device *bdev, fmode_t mode,
{
int ret;
- lock_kernel();
+ mutex_lock(&xd_mutex);
ret = xd_locked_ioctl(bdev, mode, cmd, param);
- unlock_kernel();
+ mutex_unlock(&xd_mutex);
return ret;
}