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-rw-r--r--fs/pnode.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/pnode.h b/fs/pnode.h
index 33549a3..ab1bdae 100644
--- 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 */
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