9p: add bdi backing to mount session
This ensures that dirty data gets flushed properly.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index a0a8d3d..bec4d0b 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -20,6 +20,7 @@
* Boston, MA 02111-1301 USA
*
*/
+#include <linux/backing-dev.h>
/**
* enum p9_session_flags - option flags for each 9P session
@@ -102,6 +103,7 @@
u32 uid; /* if ACCESS_SINGLE, the uid that has access */
struct p9_client *clnt; /* 9p client */
struct list_head slist; /* list of sessions registered with v9fs */
+ struct backing_dev_info bdi;
};
struct p9_fid *v9fs_session_init(struct v9fs_session_info *, const char *,