[PATCH 4.17 13/97] root dentries need RCU-delayed freeing

4.17-stable review patch. If anyone has any objections, please let me know. -- From: Al Viro commit 90bad5e05bcdb0308cfa3d3a60f5c0b9c8e2efb3 upstream. Since mountpoint crossing can happen without leaving lazy mode, root dentries do need the same protection against having

[PATCH 4.17 13/97] root dentries need RCU-delayed freeing

4.17-stable review patch. If anyone has any objections, please let me know. -- From: Al Viro commit 90bad5e05bcdb0308cfa3d3a60f5c0b9c8e2efb3 upstream. Since mountpoint crossing can happen without leaving lazy mode, root dentries do need the same protection against having