On Wed, 2017-07-26 at 12:21 -0700, Matthew Wilcox wrote:
> On Wed, Jul 26, 2017 at 01:55:38PM -0400, Jeff Layton wrote:
> > @@ -668,12 +668,14 @@ static int gfs2_fsync(struct file *file, loff_t 
> > start, loff_t end,
> >             if (ret)
> >                     return ret;
> >             if (gfs2_is_jdata(ip))
> > -                   filemap_write_and_wait(mapping);
> > +                   ret = file_write_and_wait(file);
> > +           if (ret)
> > +                   return ret;
> >             gfs2_ail_flush(ip->i_gl, 1);
> >     }
> 
> Do we want to skip flushing the AIL if there was an error (possibly
> previously encountered)?  I'd think we'd want to flush the AIL then report
> the error, like this:
> 

I wondered about that. Note that earlier in the function, we also bail
out without flushing the AIL if sync_inode_metadata fails, so I assumed
that we'd want to do the same here. 

I could definitely be wrong and am fine with changing it if so.
Discarding the error like we do today seems wrong though.

Bob, thoughts?


>               if (gfs2_is_jdata(ip))
> -                     filemap_write_and_wait(mapping);
> +                     ret = file_write_and_wait(file);
>               gfs2_ail_flush(ip->i_gl, 1);
> +             if (ret)
> +                     return ret;
>       }
-- 
Jeff Layton <jlay...@redhat.com>

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