Patch to disable overlay in-use check

0001-overlayfs-disable-in-use-check.patch

From e3f1af9e14f8311fb40f09057e5578e7121b346f Mon Sep 17 00:00:00 2001
From: Doug Johnson <dougvj@gmail.com>
Date: Tue, 2 Jul 2019 03:29:31 -0600
Subject: [PATCH] overlayfs: disable in-use check

---
 fs/overlayfs/super.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index b368e2e102fa..ecce0f1fee51 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1313,11 +1313,11 @@ static int ovl_get_lower_layers(struct super_block *sb, struct ovl_fs *ofs,
 		if (err < 0)
 			goto out;
 
-		err = -EBUSY;
+		/*err = -EBUSY;
 		if (ovl_is_inuse(stack[i].dentry)) {
 			pr_err("overlayfs: lowerdir is in-use as upperdir/workdir\n");
 			goto out;
-		}
+		}*/
 
 		err = ovl_setup_trap(sb, stack[i].dentry, &trap, "lowerdir");
 		if (err)
-- 
2.22.0