From patchwork Mon May 1 13:41:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amir Goldstein X-Patchwork-Id: 9706619 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D15DE60385 for ; Mon, 1 May 2017 13:42:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C3FC0205A8 for ; Mon, 1 May 2017 13:42:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B8D752807E; Mon, 1 May 2017 13:42:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7644D205A8 for ; Mon, 1 May 2017 13:42:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S640427AbdEANmR (ORCPT ); Mon, 1 May 2017 09:42:17 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:35561 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1035208AbdEANmJ (ORCPT ); Mon, 1 May 2017 09:42:09 -0400 Received: by mail-wm0-f68.google.com with SMTP id d79so23552793wmi.2; Mon, 01 May 2017 06:42:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=7mIN/4K/zaR809ZN81dq3Metb2M0TNFJPcsdgbPYZ7c=; b=qGDkZBeFnQ8OEvQeSvK6QJn3sI+h01JVEfJ8W9LxNvx7PjcDllBbNF1e+FnFGDk+PL Q/hm/9SFDQjlgAXCTLFYsMrVnjo5kne9ITCnASDdstQ3n75q3FKMAEOpCYBBbYKtREua 2TQ8PnczFJ5CgVyia0kTZJT0xyDYJebiz43tL4952iUPt3SGN+kcM6iXjH3lZUTBKXmt My0N9IFS6kaanQ9vm0qdRE+hhZHWt8hAt2KJUAflB547Mupcx+pdjRFpbNN0PaEPMzEO jz9lJzCcCsz9P3T2FiHL+47Ij45Lsy+wybhMaUp4FbRrUxodhLO0jEY+rbhmU0Nye6x3 m0Tw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=7mIN/4K/zaR809ZN81dq3Metb2M0TNFJPcsdgbPYZ7c=; b=o/CxMXy32RwKs74hlhRJzYz+bqc8ZhlXIDuG+wbtW1WBVB3IolIOOErAWXajTL9Olu 0NOFD8FYxUFdNJEt2WOnlpJ1zlndSycKZxUtI1Pq+aVX5XityNFPhX+A8wqORKVsOT/h 0HoIY1FHSQbgXkbYX3RROmBKqSvtAXE3adjPrHfYSF2geoH3rvG4YdyrMBz/SOLYG/kb FPzwpg6knSodzyWAMA2n+9dBvU/5w49oYeTCCJwJgKwC33eR1zmsre1j+gabTWp7Txoe SUpXMCHIYEss1UlK/hdaKau0fTgwaAw8kKAJIKKJIDxJunLgZUjmU23QVyKiuIuaMCoW gMlw== X-Gm-Message-State: AN3rC/5KY0fTp0uwOemuWoQnrT7EPAUej43EaVJqmCLzpVsDiKPuFMii O+73gGDbyX2Injw4 X-Received: by 10.28.141.65 with SMTP id p62mr6353512wmd.122.1493646128151; Mon, 01 May 2017 06:42:08 -0700 (PDT) Received: from amir-VirtualBox.lan (bzq-79-179-55-127.red.bezeqint.net. [79.179.55.127]) by smtp.gmail.com with ESMTPSA id l82sm12532249wmf.17.2017.05.01.06.42.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 01 May 2017 06:42:07 -0700 (PDT) From: Amir Goldstein To: Miklos Szeredi Cc: Vivek Goyal , Al Viro , linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v4 06/15] ovl: pass the stack index on ovl_lookup_data Date: Mon, 1 May 2017 16:41:57 +0300 Message-Id: <1493646126-10101-7-git-send-email-amir73il@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1493646126-10101-1-git-send-email-amir73il@gmail.com> References: <1493646126-10101-1-git-send-email-amir73il@gmail.com> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is needed for looking up copy up origin. Signed-off-by: Amir Goldstein --- fs/overlayfs/namei.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index 7c2b038..6fabbc1 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -21,6 +21,7 @@ struct ovl_lookup_data { bool opaque; bool stop; bool last; + int idx; char *redirect; }; @@ -258,6 +259,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, .opaque = false, .stop = false, .last = !poe->numlower, + .idx = 0, .redirect = NULL, }; @@ -299,6 +301,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, struct path lowerpath = poe->lowerstack[i]; d.last = i == poe->numlower - 1; + d.idx = i + 1; err = ovl_lookup_layer(lowerpath.dentry, &d, &this); if (err) goto out_put;