Re: [PATCH 4/5] ide: Add support for TRIM

[Sergei Shtylyov]

Hello.

Matthew Wilcox wrote:

> > > +static int idedisk_prepare_discard(struct request_queue *q, struct 
> > > request *rq,
> > > +							struct bio *bio)

> >   Weird indentation.

> Not at all.  New line, so tab the next line over as far as it will go
> without falling off the 80-column limit.  It's fairly common.

> To quote Documentation/CodingStyle:

>   Statements longer than 80 columns will be broken into sensible chunks.
>   Descendants are always substantially shorter than the parent and are placed
>   substantially to the right. The same applies to function headers with a long
>   argument list. Long strings are as well broken into shorter strings.  The
>   only exception to this is where exceeding 80 columns significantly increases
>   readability and does not hide information.

   That's all clear, it's just that the second line was overly indented, at 
least to my taste. :-)

> > > +{
> > > +	ide_task_t *task;

> >   This patch is already obsolete as 'ide_task_t' is gone. Use 'struct  
> > ide_cmd' instead.

> Thanks, fixed.

> > > +	unsigned size;
> > > +	struct page *page = alloc_page(GFP_KERNEL);

> >   Missing empty line after the declaration block...

> Empty line not necessary.

   Usually it's there.

> > > +	task->tf_flags   = IDE_TFLAG_LBA48 | IDE_TFLAG_OUT_HOB |
> > > +			   IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE |

> >   The last 3 flags are going to be obsoleted too...

> So if I remove them today, the command will still work?

    s/obsoleted/renamed and moved to another other field/ -- I'm going to 
submit a patchset refactoring 'struct ide_cmd and 'struct ide-taskfile' at last...

MBR, Sergei
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/