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-rw-r--r--include/linux/mount.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h
index f0dfb17ffcc..b4836d58f42 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -57,6 +57,7 @@ struct vfsmount {
struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */
struct mnt_namespace *mnt_ns; /* containing namespace */
int mnt_id; /* mount identifier */
+ int mnt_group_id; /* peer group identifier */
/*
* We put mnt_count & mnt_expiry_mark at the end of struct vfsmount
* to let these frequently modified fields in a separate cache line