Re: [PATCH] Revert "ubifs: xattr: Don't operate on deleted inodes"

[Richard Weinberger <richard@xxxxxx>]

Am Freitag, 21. September 2018, 03:42:25 CEST schrieb Joel Stanley:
> On Thu, 20 Sep 2018 at 16:40, Richard Weinberger <richard@xxxxxx> wrote:
> >
> > Am Donnerstag, 20. September 2018, 04:30:41 CEST schrieb Joel Stanley:
> > > On Mon, 17 Sep 2018 at 07:30, Richard Weinberger <richard@xxxxxx> wrote:
> > > >
> > > > This reverts commit 11a6fc3dc743e22fb50f2196ec55bee5140d3c52.
> > > > UBIFS wants to assert that xattr operations are only issued on files
> > > > with positive link count. The said patch made this operations return
> > > > -ENOENT for unlinked files such that the asserts will no longer trigger.
> > > > This was wrong since xattr operations are perfectly fine on unlinked
> > > > files.
> > > > Instead the assertions need to be fixed/removed.
> > > >
> > > > Cc: <stable@xxxxxxxxxxxxxxx>
> > > > Fixes: 11a6fc3dc743 ("ubifs: xattr: Don't operate on deleted inodes")
> > > > Reported-by: Koen Vandeputte <koen.vandeputte@xxxxxxxxxxxx>
> > > > Signed-off-by: Richard Weinberger <richard@xxxxxx>
> > >
> > > The bad commit 11a6fc3dc743 was included in 4.18.7, and broke our
> > > systems which use overlayfs on top of ubifs.
> > >
> > > This patch didn't apply cleanly for me to 4.18.8 (an encoding issue?),
> > > but I did a revert of the offending commit which did the trick.
> > >
> > > Tested-by: Joel Stanley <joel@xxxxxxxxx>
> >
> > Thanks a lot for testing and sorry for the breakage. :-(
> 
> No worries. How do you plan to get this fix in? It would be good to
> get it in master asap, so we can get it backported in the next wave of
> stable releases.

Since yesterday it is in -next, I'll send a pull request to Linus^WGreg later
this day.

Thanks,
//richard



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