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From: Marcin Dalecki <dalecki@evision.ag>
To: Jens Axboe <axboe@suse.de>
Cc: martin@dalecki.de, Petr Vandrovec <VANDROVE@vc.cvut.cz>,
	linux-kernel@vger.kernel.org, torvalds@transmeta.com
Subject: Re: [PATCH] 2.5.30 IDE 113
Date: Tue, 06 Aug 2002 13:04:26 +0200	[thread overview]
Message-ID: <3D4FAD3A.1090309@evision.ag> (raw)
In-Reply-To: 20020806110354.GE1323@suse.de

Uz.ytkownik Jens Axboe napisa?:

> Agrh god no. So you'll spin waiting for the ioctl to complete?
> 
>>From ide_raw_taskfile(), the right way to do it is:
> 
> 	struct request *rq = blk_get_request(...);
> 
> This gets _everything_ right.
> 
> BTW, _glad to see you got rid of the horrible insert-and-execute stuff
> in ide_raw_taskfile(). That was a layering violation.
> 
> 
>>OK?
> 
> 
> Not likely :-)

Argh. Yes. Thank's for the back-head slap.
I was looking too much at the SCSI code again and got it wrong.
But some time ago I was already thinking about blk_get_request().
How could I maintain that the blk_get_request() really returns?
blk_get_request() does only drain up to maximum queue depth as
far as I can read the code and then bad things wil happen :-).
Or should I just not worry?



  reply	other threads:[~2002-08-06 11:05 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-06 10:35 [PATCH] 2.5.30 IDE 113 Petr Vandrovec
2002-08-06 10:44 ` Jens Axboe
2002-08-06 10:47   ` Marcin Dalecki
2002-08-06 11:03     ` Jens Axboe
2002-08-06 11:04       ` Marcin Dalecki [this message]
2002-08-06 11:12         ` Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2002-08-06 10:16 Petr Vandrovec
2002-08-06 10:20 ` Marcin Dalecki
2002-08-06 10:42   ` Jens Axboe
2002-08-06 10:43     ` Marcin Dalecki
2002-08-06 10:54       ` Jens Axboe
2002-08-06 10:52         ` Marcin Dalecki
2002-08-06 11:05           ` Jens Axboe
2002-08-06 11:09             ` Marcin Dalecki
2002-08-06 11:17               ` Jens Axboe
2002-08-06 11:57                 ` Marcin Dalecki
2002-08-06  9:02 Marcin Dalecki

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