Re: [PATCH] xfs: Fix xfs_dir2_sf_entry_t size check

[Arnd Bergmann]

On Mon, Jan 13, 2020 at 2:58 PM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On Mon, Jan 13, 2020 at 02:55:15PM +0100, Arnd Bergmann wrote:
> > With ARM OABI (which you get when EABI is disabled), structures are padded
> > to multiples of 32 bits. See commits 8353a649f577 ("xfs: kill
> > xfs_dir2_sf_off_t")
> > and aa2dd0ad4d6d ("xfs: remove __arch_pack"). Those could be partially
> > reverted to fix it again, but it doesn't seem worth it as there is
> > probably nobody
> > running XFS on OABI machines (actually with the build failure we can
> > be fairly sure there isn't ;-).
>
> Or just try adding a __packed to the xfs_dir2_sf_entry definition?

Yes, that should be correct on all architectures, and I just noticed
that this is what we already have on xfs_dir2_sf_hdr_t directly
above it for the same reason.

       Arnd