block: push down BKL into .locked_ioctl

[deliverable/linux.git] / drivers / block / nbd.c

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 2e74e7d475cabc3413f672087a3f5ca70adce5d4..6751789fb379f132f1e51eba5401cff3482a4ed8 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -24,6 +24,7 @@
 #include <linux/errno.h>
 #include <linux/file.h>
 #include <linux/ioctl.h>
+#include <linux/smp_lock.h>
 #include <linux/compiler.h>
 #include <linux/err.h>
 #include <linux/kernel.h>
@@ -716,9 +717,11 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
        dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n",
                        lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg);
 
+       lock_kernel();
        mutex_lock(&lo->tx_lock);
        error = __nbd_ioctl(bdev, lo, cmd, arg);
        mutex_unlock(&lo->tx_lock);
+       unlock_kernel();
 
        return error;
 }
@@ -726,7 +729,7 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
 static const struct block_device_operations nbd_fops =
 {
        .owner =        THIS_MODULE,
-       .locked_ioctl = nbd_ioctl,
+       .ioctl =        nbd_ioctl,
 };
 
 /*