Subject: Re: linux-next: Tree for Apr 7 (btrfs)

From: David Sterba <[email-masked]>
Date: Mon, 10 Apr 2017 13:50:11 +0200

On Fri, Apr 07, 2017 at 06:05:02PM +0200, David Sterba wrote:
> On Fri, Apr 07, 2017 at 08:10:48AM -0700, Randy Dunlap wrote:
> > On 04/07/17 08:08, Randy Dunlap wrote:
> > > On 04/07/17 01:27, Stephen Rothwell wrote:
> > >> Hi all,
> > >>
> > >> Changes since 20170406:
> > >>
> > > 
> > > on i386:
> > > 
> > > ERROR: "__udivdi3" [fs/btrfs/btrfs.ko] undefined!
> > > 
> > > Reported-by: Randy Dunlap <[email-masked]>
> > > 
> > 
> > or when built-in:
> > 
> > fs/built-in.o: In function `scrub_bio_end_io_worker':
> > scrub.c:(.text+0x3d1908): undefined reference to `__udivdi3'
> > fs/built-in.o: In function `scrub_raid56_parity':
> > scrub.c:(.text+0x3d23cc): undefined reference to `__udivdi3'
> > scrub.c:(.text+0x3d3342): undefined reference to `__udivdi3'
> > scrub.c:(.text+0x3d3755): undefined reference to `__udivdi3'
> 
> Sorry, I can't reproduce it here, I've also tried my other for-next
> snapshot branches, same. We have some recent patches that could trigger
> the __udivdi3 build check,
> 
> "Btrfs: update scrub_parity to use u64 stripe_len" (7d0ef8b4dbbd22)
> 
> manual check or with help of coccinell didn't show me any instances of
> 64bit division with / .

Fixed and updated for-next pushed to my k.org repository.