From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivek Goyal Subject: [PATCH 9/9] ovl: Return lower dentry if only metadata copy up took place Date: Tue, 10 Oct 2017 11:32:24 -0400 Message-ID: <1507649544-4539-10-git-send-email-vgoyal@redhat.com> References: <1507649544-4539-1-git-send-email-vgoyal@redhat.com> Return-path: Received: from mx1.redhat.com ([209.132.183.28]:49460 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932278AbdJJPcj (ORCPT ); Tue, 10 Oct 2017 11:32:39 -0400 In-Reply-To: <1507649544-4539-1-git-send-email-vgoyal@redhat.com> Sender: linux-unionfs-owner@vger.kernel.org List-Id: linux-unionfs@vger.kernel.org To: linux-unionfs@vger.kernel.org Cc: amir73il@gmail.com, miklos@szeredi.hu, vgoyal@redhat.com, ebiederm@xmission.com Upper dentry inode does not have data. So return lower dentry if upper is only a metadata copy. Signed-off-by: Vivek Goyal --- fs/overlayfs/super.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 6f4c32e49298..fa9d0032fd03 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -101,10 +101,14 @@ static struct dentry *ovl_d_real(struct dentry *dentry, err = ovl_check_append_only(d_inode(real), open_flags); if (err) return ERR_PTR(err); + + if (ovl_test_flag(OVL_METACOPY, d_inode(dentry))) + goto lower; } return real; } +lower: real = ovl_dentry_lower(dentry); if (!real) goto bug; -- 2.13.5