On Fri, Jan 19, 2018 at 1:57 AM, Dave Chinner <da...@fromorbit.com> wrote:
>
> On Thu, Jan 18, 2018 at 06:57:41PM -0600, Goldwyn Rodrigues wrote:
> > From: Goldwyn Rodrigues <rgold...@suse.com>
> >
> > Since we can return less than count in case of partial direct
> > writes, remove the ASSERT.
> >
> > Signed-off-by: Goldwyn Rodrigues <rgold...@suse.com>
> > ---
> >  fs/xfs/xfs_file.c | 6 ------
> >  1 file changed, 6 deletions(-)
> >
> > diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
> > index 8601275cc5e6..8fc4dbf66910 100644
> > --- a/fs/xfs/xfs_file.c
> > +++ b/fs/xfs/xfs_file.c
> > @@ -590,12 +590,6 @@ xfs_file_dio_aio_write(
> >       ret = iomap_dio_rw(iocb, from, &xfs_iomap_ops, xfs_dio_write_end_io);
> >  out:
> >       xfs_iunlock(ip, iolock);
> > -
> > -     /*
> > -      * No fallback to buffered IO on errors for XFS, direct IO will either
> > -      * complete fully or fail.
> > -      */
> > -     ASSERT(ret < 0 || ret == count);
> >       return ret;
> >  }
>
> Acked-by: Dave Chinner <dchin...@redhat.com>


Is this really correct? Isn't this check with regards to DIO
submission? The bytes written is returned in a different asynchronous
path due to AIO support, no?!

>
>
> --
> Dave Chinner
> da...@fromorbit.com


Regards,
Raphael S. Carvalho

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