From: Miklos Szeredi <mszeredi@redhat.com>
Date: Wed, 18 Jul 2018 13:44:41 +0000 (+0200)
Subject: ovl: deal with overlay files in ovl_d_real()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=e8c985bace1351c5f2d7a6f0d8ff3e677b58abb5;p=openwrt%2Fstaging%2Fblogic.git

ovl: deal with overlay files in ovl_d_real()

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 704b37311467..211975921a90 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -97,6 +97,10 @@ static struct dentry *ovl_d_real(struct dentry *dentry,
 	struct dentry *real;
 	int err;
 
+	/* It's an overlay file */
+	if (inode && d_inode(dentry) == inode)
+		return dentry;
+
 	if (flags & D_REAL_UPPER)
 		return ovl_dentry_upper(dentry);