Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: Skip check for mandatory locks when unlocking
  9p: Fixes a simple bug enabling writes beyond 2GB.
  9p: Change the name of new protocol from 9p2010.L to 9p2000.L
  fs/9p: re-init the wstat in readdir loop
  net/9p: Add sysfs mount_tag file for virtio 9P device
  net/9p: Use the tag name in the config space for identifying mount point

2 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index f508c651e53d..40d1709bdbf4 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -98,6 +98,7 @@ struct virtio_device {
         void *priv;
 };
 
+#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev)
 int register_virtio_device(struct virtio_device *dev);
 void unregister_virtio_device(struct virtio_device *dev);
 
diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index 332275080083..5cf11765146b 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -5,4 +5,16 @@
 #include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
+/* The feature bitmap for virtio 9P */
+
+/* The mount point is specified in a config variable */
+#define VIRTIO_9P_MOUNT_TAG 0
+
+struct virtio_9p_config {
+        /* length of the tag name */
+        __u16 tag_len;
+        /* non-NULL terminated tag name */
+        __u8 tag[0];
+} __attribute__((packed));
+
 #endif /* _LINUX_VIRTIO_9P_H */