linux-kernel - [PATCH 13/39] ovl: deal with overlay files in ovl_d

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Date:   Tue, 29 May 2018 16:43:13 +0200
From:   Miklos Szeredi <mszeredi@...hat.com>
To:     linux-unionfs@...r.kernel.org
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 13/39] ovl: deal with overlay files in ovl_d_real()

Signed-off-by: Miklos Szeredi <mszeredi@...hat.com>
---
 fs/overlayfs/super.c | 4 ++++
 1 file changed, 4 insertions(+)

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);
 
-- 
2.14.3