[PATCH 3.19.y-ckt 016/210] ovl: root: copy attr

From: Kamal Mostafa
Date: Thu Jan 28 2016 - 21:20:29 EST


3.19.8-ckt14 -stable review patch. If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Miklos Szeredi <miklos@xxxxxxxxxx>

commit ed06e069775ad9236087594a1c1667367e983fb5 upstream.

We copy i_uid and i_gid of underlying inode into overlayfs inode. Except
for the root inode.

Fix this omission.

Signed-off-by: Miklos Szeredi <miklos@xxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
fs/overlayfs/super.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index ab3efa1..62b2b62 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -775,6 +775,9 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)

root_dentry->d_fsdata = oe;

+ ovl_copyattr(ovl_dentry_real(root_dentry)->d_inode,
+ root_dentry->d_inode);
+
sb->s_magic = OVERLAYFS_SUPER_MAGIC;
sb->s_op = &ovl_super_operations;
sb->s_root = root_dentry;
--
1.9.1