[PATCH v2 10/35] ovl: deal with overlay files in ovl_d_real()

From: Miklos Szeredi
Date: Mon May 07 2018 - 04:38:43 EST


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

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index e8551c97de51..ad6a5baf226b 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