1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nbd.h b/include/linux/nbd.h
index d6b6dc09ad97..0f3e69302540 100644
--- a/include/linux/nbd.h
+++ b/include/linux/nbd.h
@@ -64,6 +64,7 @@ struct nbd_device {
         struct gendisk *disk;
         int blksize;
         u64 bytesize;
+        pid_t pid; /* pid of nbd-client, if attached */
 };
 
 #endif