Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing

* 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
  uml: Pushdown the bkl from harddog_kern ioctl
  sunrpc: Pushdown the bkl from sunrpc cache ioctl
  sunrpc: Pushdown the bkl from ioctl
  autofs4: Pushdown the bkl from ioctl
  uml: Convert to unlocked_ioctls to remove implicit BKL
  ncpfs: BKL ioctl pushdown
  coda: Clean-up whitespace problems in pioctl.c
  coda: BKL ioctl pushdown
  drivers: Push down BKL into various drivers
  isdn: Push down BKL into ioctl functions
  scsi: Push down BKL into ioctl functions
  dvb: Push down BKL into ioctl functions
  smbfs: Push down BKL into ioctl function
  coda/psdev: Remove BKL from ioctl function
  um/mmapper: Remove BKL usage
  sn_hwperf: Kill BKL usage
  hfsplus: Push down BKL into ioctl function

drivers/mtd/mtdchar.c

@@ -468,8 +468,7 @@ static int mtd_do_readoob(struct mtd_info *mtd, uint64_t start,
 	return ret;
 }
 
-static int mtd_ioctl(struct inode *inode, struct file *file,
-		     u_int cmd, u_long arg)
+static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
 {
 	struct mtd_file_info *mfi = file->private_data;
 	struct mtd_info *mtd = mfi->mtd;
@@ -840,6 +839,17 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 	return ret;
 } /* memory_ioctl */
 
+static long mtd_unlocked_ioctl(struct file *file, u_int cmd, u_long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = mtd_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 #ifdef CONFIG_COMPAT
 
 struct mtd_oob_buf32 {
@@ -854,7 +864,6 @@ struct mtd_oob_buf32 {
 static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
 	unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
 	struct mtd_file_info *mfi = file->private_data;
 	struct mtd_info *mtd = mfi->mtd;
 	void __user *argp = compat_ptr(arg);
@@ -892,7 +901,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
 		break;
 	}
 	default:
-		ret = mtd_ioctl(inode, file, cmd, (unsigned long)argp);
+		ret = mtd_ioctl(file, cmd, (unsigned long)argp);
 	}
 
 	unlock_kernel();
@@ -960,7 +969,7 @@ static const struct file_operations mtd_fops = {
 	.llseek		= mtd_lseek,
 	.read		= mtd_read,
 	.write		= mtd_write,
-	.ioctl		= mtd_ioctl,
+	.unlocked_ioctl	= mtd_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= mtd_compat_ioctl,
 #endif