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From: Steven Scholz <steven.scholz@imc-berlin.de>
To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Jens Axboe <axboe@suse.de>, linux-ide@vger.kernel.org
Subject: Re: Crash in ide_do_request() on card removal
Date: Tue, 31 Jan 2006 15:28:35 +0100	[thread overview]
Message-ID: <43DF7413.3080505@imc-berlin.de> (raw)
In-Reply-To: <58cb370e05080206282af4cf0a@mail.gmail.com>

Hi all,

>>> I suggest you take it up with Bart how best to solve this. He might even
>>> already have patches.
>> Bart? Are you there?
> 
> IDE device unplug TODO :)
> * add ide_device_get() helper which will check for drive->present
>   + increase reference count on drive->gendev and ide_device_put()
>   helper which will decrease reference count on drive->gendev
> * propagate usage of these helpers to device drivers (ide_disk_get() etc.)
>   so there won't be _new_ requests after removal of the device
> * if !drive->present fail _old_ requests (as already mentioned by Jens)
> * add proper locking around drive->present
> * ...

Was this "IDE device unplug" stuff added to the mainline kernel by now?
If so, would it be possible to backport it to linux-2.6.14?

Thanks.

--
Steven

      parent reply	other threads:[~2006-01-31 14:28 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-29 12:01 Crash in ide_do_request() on card removal Steven Scholz
2005-08-02  9:57 ` Steven Scholz
2005-08-02 10:48   ` Jens Axboe
2005-08-02 11:10     ` Steven Scholz
2005-08-02 11:13       ` Jens Axboe
2005-08-02 11:17         ` Steven Scholz
2005-08-02 11:28           ` Jens Axboe
2005-08-02 11:30             ` Steven Scholz
2005-08-02 11:33               ` Jens Axboe
2005-08-02 12:09                 ` Steven Scholz
2005-08-02 12:26                   ` Jens Axboe
2005-08-02 12:40                     ` Steven Scholz
2005-08-02 12:54                       ` Jens Axboe
2005-08-02 13:03                         ` Steven Scholz
2005-08-02 13:06                           ` Jens Axboe
2005-08-02 13:38                             ` Steven Scholz
2005-08-02 13:45                               ` Jens Axboe
2005-08-02 13:54                                 ` Steven Scholz
2005-08-02 14:11                                   ` Jens Axboe
2005-08-08  9:00                                     ` Steven Scholz
2005-08-02 13:28                       ` Bartlomiej Zolnierkiewicz
2005-08-18 12:59                         ` Steven Scholz
2006-01-31 14:28                         ` Steven Scholz [this message]

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