X-Git-Url: http://bbs.cooldavid.org/git/?a=blobdiff_plain;f=drivers%2Fide%2Fide-disk_ioctl.c;h=da36f729ff3273b99e8700670047299ad3cfeab3;hb=2a48fc0ab24241755dc93bfd4f01d68efab47f5a;hp=ec94c66918f6c6cc2ee06e9e2e3fba4357606008;hpb=36450e9c953b2a6838def5945de8ae508141e834;p=net-next-2.6.git

diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index ec94c66918f..da36f729ff3 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -1,10 +1,11 @@
 #include <linux/kernel.h>
 #include <linux/ide.h>
 #include <linux/hdreg.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 
 #include "ide-disk.h"
 
+static DEFINE_MUTEX(ide_disk_ioctl_mutex);
 static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
 { HDIO_GET_ADDRESS,	HDIO_SET_ADDRESS,   &ide_devset_address   },
 { HDIO_GET_MULTCOUNT,	HDIO_SET_MULTCOUNT, &ide_devset_multcount },
@@ -19,13 +20,13 @@ int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,
 {
 	int err;
 
-	lock_kernel();
+	mutex_lock(&ide_disk_ioctl_mutex);
 	err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
 	if (err != -EOPNOTSUPP)
 		goto out;
 
 	err = generic_ide_ioctl(drive, bdev, cmd, arg);
 out:
-	unlock_kernel();
+	mutex_unlock(&ide_disk_ioctl_mutex);
 	return err;
 }