On Mon, Jun 28, 2010 at 7:49 AM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
>
> > if (io_end->flag != EXT4_IO_UNWRITTEN){
> > ext4_free_io_end(io_end);
> > iocb->private = NULL;
> > - goto out;
> > +out:
> > + if (is_async)
> > + aio_complete(iocb, ret, 0);
> > + return;
>
> I'd suggest keeping the out label at the end of the function. Without
> that the code gets unreadable very quickly.
>
I am fine with either. Having the 'out' exit label here saves us a jump in the
common code path while keeping it at the end of the function comply better
with the kernel code style. I will let Ted decide which one to take.
> > io_end->size = size;
> > - io_end->flag = EXT4_IO_UNWRITTEN;
>
> Why is this initialization removed?
>
This change is not related to the bug fix. I just realized that this
initialization seems to be unnecessary because we should already
return in the case that (io_end->flag != EXT4_IO_UNWRITTEN)
at the beginning of the function.
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