[patch 4/7] vfs: mountinfo: add mount peer group ID

[deliverable/linux.git] / fs / pnode.c

diff --git a/fs/pnode.c b/fs/pnode.c
index f968e35d9785fde2d333dfff431d693b7a4bb50d..d18d66491a01ab5de2684b056692c424c0159c4f 100644 (file)
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -46,7 +46,11 @@ static int do_make_slave(struct vfsmount *mnt)
                if (peer_mnt == mnt)
                        peer_mnt = NULL;
        }
+       if (IS_MNT_SHARED(mnt) && list_empty(&mnt->mnt_share))
+               mnt_release_group_id(mnt);
+
        list_del_init(&mnt->mnt_share);
+       mnt->mnt_group_id = 0;
 
        if (peer_mnt)
                master = peer_mnt;
@@ -68,7 +72,6 @@ static int do_make_slave(struct vfsmount *mnt)
        }
        mnt->mnt_master = master;
        CLEAR_MNT_SHARED(mnt);
-       INIT_LIST_HEAD(&mnt->mnt_slave_list);
        return 0;
 }