sunrpc: Pushdown the bkl from ioctl

#include <linux/workqueue.h>

#include <linux/sunrpc/rpc_pipe_fs.h>

#include <linux/sunrpc/cache.h>

#include <linux/smp_lock.h>

static struct vfsmount *rpc_mount __read_mostly;

static int rpc_mount_count;

}

static int

rpc_pipe_ioctl(struct inode *ino, struct file *filp,

		unsigned int cmd, unsigned long arg)

rpc_pipe_ioctl_unlocked(struct file *filp, unsigned int cmd, unsigned long arg)

{

	struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode);

	int len;

	}

}

static long

rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)

{

	long ret;

	lock_kernel();

	ret = rpc_pipe_ioctl_unlocked(filp, cmd, arg);

	unlock_kernel();

	return ret;

}

static const struct file_operations rpc_pipe_fops = {

	.owner		= THIS_MODULE,

	.llseek		= no_llseek,

	.read		= rpc_pipe_read,

	.write		= rpc_pipe_write,

	.poll		= rpc_pipe_poll,

	.ioctl		= rpc_pipe_ioctl,

	.unlocked_ioctl	= rpc_pipe_ioctl,

	.open		= rpc_pipe_open,

	.release	= rpc_pipe_release,

};