From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eryu Guan Subject: Re: [PATCH v3] overlay: test unstable inode number Date: Mon, 12 Dec 2016 17:08:51 +0800 Message-ID: <20161212090851.GW29149@eguan.usersys.redhat.com> References: <1481532306-26938-1-git-send-email-amir73il@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1481532306-26938-1-git-send-email-amir73il@gmail.com> Sender: fstests-owner@vger.kernel.org To: Amir Goldstein Cc: Miklos Szeredi , linux-unionfs@vger.kernel.org, fstests@vger.kernel.org List-Id: linux-unionfs@vger.kernel.org On Mon, Dec 12, 2016 at 10:45:06AM +0200, Amir Goldstein wrote: > Introduce a new test to demonstrate a known issue with overlayfs: > - stat file A shows inode number X > - modify A to trigger copy up > - stat file A shows inode number Y != X > > Also test if d_ino of readdir entries changes after copy up. > > There is a POC patch by Miklos Szeredi that fixes this issue. > > Not dealing with hardlinks here, because there is more to test > then stable inode number. > Hardlinks will get a test of their own. Thanks! I added the missing SOB line, and added "copyup" group too. Eryu