linux-kernel - Re: [regression, bisected] Bug 216738 - Adding O_APPEND to O_RDWR with fcntl(fd, F

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Date:   Fri, 25 Nov 2022 04:09:21 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Miklos Szeredi <miklos@...redi.hu>
Cc:     Thorsten Leemhuis <regressions@...mhuis.info>,
        Linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>,
        LKML <linux-kernel@...r.kernel.org>,
        "Christian Brauner (Microsoft)" <brauner@...nel.org>,
        Pierre Labastie <pierre.labastie@...f.fr>,
        linux-unionfs@...r.kernel.org
Subject: Re: [regression, bisected] Bug 216738 - Adding O_APPEND to O_RDWR
 with fcntl(fd, F_SETFL) does not work on overlayfs

On Thu, Nov 24, 2022 at 09:33:54PM +0100, Miklos Szeredi wrote:
> > I could pick it in vfs.git #fixes, or Miklos could put it through his tree.
> > Miklos, which way would you prefer that to go?
> 
> I'll pick this into #overlayfs-next, as a PR for this cycle is needed anyway.

OK...  FWIW, I wonder if exposing setfl() would and using it instead of
open-coding would be a good idea - these two are very close to each other...