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SubjectRe: [GIT PULL] Ceph updates for 5.13-rc1
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On Fri, 2021-05-07 at 11:03 +0200, Ilya Dryomov wrote:
> On Thu, May 6, 2021 at 7:51 PM Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > On Thu, May 6, 2021 at 7:33 AM Ilya Dryomov <idryomov@gmail.com> wrote:
> > >
> > > There is a merge conflict in fs/ceph/dir.c because Jeff's inode
> > > type handling patch went through the vfs tree together with Al's
> > > inode_wrong_type() helper. for-linus-merged has the resolution.
> >
> > Actually, the linux-next resolution looks wrong - or at least
> > unnecessary - to me.
> >
> > The conversion to d_splice_alias() means that the IS_ERR() test is now
> > pointless, because d_splice_alias() handles an error-pointer natively,
> > and just returns the error back with ERR_CAST().
> >
> > So the proper resolution seems to be to just drop the IS_ERR().
> >
> > Adding Jeff and Al just as a heads-up.
>
> I did it mechanically and then cross-checked against Jeff's patch:
>
> https://lore.kernel.org/ceph-devel/20210316203919.102346-1-jlayton@kernel.org/T/#u
>
> I guess neither Jeff nor I noticed that ERR_CAST() is redundant
> because previously ceph_get_snapdir() didn't have any error handling
> and the explicit check (which Jeff added in another patch that went
> through Al's tree) felt "precious".
>

Yep, I missed that special error handling too. The final fixup looks
fine.

Cheers,
--
Jeff Layton <jlayton@kernel.org>

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