[PATCH] introduce shared mounts

[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / fs / pnode.h

diff --git a/fs/pnode.h b/fs/pnode.h
index 33549a3a74eb680a72e9cca34b4427ed73145fe6..ab1bdaee4e085329cc011180ea3e1fbe93787285 100644 (file)
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -10,5 +10,9 @@
 
 #include <linux/list.h>
 #include <linux/mount.h>
+
+#define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED)
+#define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED)
+
 void change_mnt_propagation(struct vfsmount *, int);
 #endif /* _LINUX_PNODE_H */