Re: [PATCH] blk API update (and bug fix) to CDU535 cdrom driver

From: Jens Axboe
Date: Tue Sep 09 2003 - 14:58:16 EST


On Tue, Sep 09 2003, Felipe W Damasio wrote:
> Hi Jens,
>
> Jens Axboe wrote:
> >held! Ugh, and the request function do_cdu535_request calls
> >schedule_timeout with the queue lock held (that is held when that
> >function is entered), that is very buggy as well. Should also use
> >set_current_state() right above that call, not open code it (that also
> >misses a memory barrier). Same function also has problems with request
> >handling. You should kill:
> >
> > if (!(req->flags & REQ_CMD))
> > continue; /* FIXME */
> >
> >that is very broken, make that:
> >
> > if (!blk_fs_request(req)) {
> > end_request(req, 0);
> > continue;
> > }
> >
> >and kill these two lines:
> >
> > if (rq_data_dir(req) != READ)
> > panic("Unknown SONY CD cmd");
> >
> >they are screwy too.
> >
> >Care to fix the things I outlined above?
>
> This patch I think fixes all these, doesn't it?
>
> It applies on top of my latest cli-sti-removal patch that I sent you.

That needed changes too, as per my last mail. Please send one complete
patch with all the fixes in, thanks.

--
Jens Axboe

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