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Date: Tue, 11 Apr 2017 12:50:04 +0200 From: Richard Weinberger <richard@....at> To: Amir Goldstein <amir73il@...il.com> Cc: Adrian Hunter <adrian.hunter@...el.com>, linux-mtd@...ts.infradead.org, linux-kernel <linux-kernel@...r.kernel.org>, Artem Bityutskiy <dedekind1@...il.com>, "stable [v4.9]" <stable@...r.kernel.org>, Ralph Sennhauser <ralph.sennhauser@...il.com> Subject: Re: [PATCH] ubifs: Fix O_TMPFILE corner case in ubifs_link() Hi! Am 11.04.2017 um 12:20 schrieb Amir Goldstein: > On Thu, Apr 6, 2017 at 3:26 PM, Richard Weinberger <richard@....at> wrote: >> Am 06.04.2017 um 14:09 schrieb Richard Weinberger: >>>> Were you able to make any progress? still working on this? >>>> If this is too complicated to get in for this cycle, better send a patch >>>> to disable O_TMPFILE support for ubifs and fix the problem properly on >>>> followup merge cycle. >>>> Because right now ubifs O_TMPFILE support is broken and breaks overlayfs mount. >>> >>> I have a test and currently testing it. As it looks the situation is less worse >>> than I thought first. :-) >> >> s/test/patch :) >> > > Richard, > > Maybe it's not my business to interfere with ubifs development and I > haven't seen your patch. > > But on the face of it, it doesn't sound like fixing O_TMPFILE is a > trivial fix, so not sure > it is wise to send a patch for -rc7?... > > How about sending the patch to disable O_TMPFILE for -rc7 and queuing > your fix for v4.12? > Without any patch, v4.11 is going to have a regression with overlayfs+ubifs. No need to panic. I verified some stuff and my first patch does the right thing but not in a nice way, except in oneerror patch. In will land in -rc7. For the next merge window I prepare patches that introduce a new journal function for handling tmpfiles. Thanks, //richard
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