From: Hannes Reinecke <hare@suse.de>
To: "Michal Suchánek" <msuchanek@suse.de>
Cc: linux-scsi@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
Jens Axboe <axboe@kernel.dk>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
Eric Biggers <ebiggers@google.com>,
"J. Bruce Fields" <bfields@redhat.com>,
Benjamin Coddington <bcodding@redhat.com>,
Hannes Reinecke <hare@suse.com>, Omar Sandoval <osandov@fb.com>,
Ming Lei <ming.lei@redhat.com>,
Damien Le Moal <damien.lemoal@wdc.com>,
Bart Van Assche <bvanassche@acm.org>, Tejun Heo <tj@kernel.org>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2 7/8] scsi: sr: workaround VMware ESXi cdrom emulation bug
Date: Thu, 24 Oct 2019 11:41:38 +0200 [thread overview]
Message-ID: <15c972ea-5b3a-487f-7be5-a62d780896da@suse.de> (raw)
In-Reply-To: <20191024085631.GJ938@kitsune.suse.cz>
On 10/24/19 10:56 AM, Michal Suchánek wrote:
> On Thu, Oct 24, 2019 at 07:46:57AM +0200, Hannes Reinecke wrote:
>> On 10/23/19 6:23 PM, Michal Suchánek wrote:
>>> On Wed, Oct 23, 2019 at 04:13:15PM +0200, Hannes Reinecke wrote:
[ .. ]>>>> This looks something which should be handled via a blacklist
flag, not
>>>> some inline hack which everyone forgets about it...
>>>
>>> AFAIK we used to have a blacklist but don't have anymore. So either it
>>> has to be resurrected for this one flag or an inline hack should be good
>>> enough.
>>>
>> But we do have one for generic scsi; cf drivers/scsi/scsi_devinfo.c.
>> And this pretty much falls into the category of SCSI quirks, so I'd
>> prefer have it hooked into that.
>
> But generic scsi does not know about cdrom trays, does it?
>
No, just about 'flags'. What you _do_ with those flags is up to you.
Or, rather, the driver.
Just define a 'tray detection broken' flag, and evaluate it in sr.c.
Where is the problem with that?
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@suse.de +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 247165 (AG München), GF: Felix Imendörffer
next prev parent reply other threads:[~2019-10-24 9:41 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 12:52 [PATCH v2 0/8] Fix cdrom autoclose Michal Suchanek
2019-10-23 12:52 ` [PATCH v2 1/8] cdrom: add poll_event_interruptible Michal Suchanek
2019-10-23 12:52 ` [PATCH v2 2/8] cdrom: factor out common open_for_* code Michal Suchanek
2019-10-24 2:19 ` Christoph Hellwig
2019-10-24 8:50 ` Michal Suchánek
2019-10-25 2:39 ` Christoph Hellwig
2019-10-25 10:42 ` Michal Suchánek
2019-10-26 6:46 ` Finn Thain
2019-10-24 13:23 ` Matthew Wilcox
2019-10-25 2:38 ` Christoph Hellwig
2019-10-23 12:52 ` [PATCH v2 3/8] cdrom: wait for the tray to close Michal Suchanek
2019-10-23 12:52 ` [PATCH v2 4/8] cdrom: separate autoclose into an IOCTL Michal Suchanek
2019-10-23 12:52 ` [PATCH v2 5/8] docs: cdrom: Add autoclose IOCTL Michal Suchanek
2019-10-23 12:52 ` [PATCH v2 6/8] bdev: add open_finish Michal Suchanek
2019-10-24 2:22 ` Christoph Hellwig
2019-10-24 8:55 ` Michal Suchánek
2019-10-24 13:12 ` Matthew Wilcox
2019-10-24 13:19 ` Michal Suchánek
2019-11-21 10:15 ` Michal Suchánek
2019-10-23 12:52 ` [PATCH v2 7/8] scsi: sr: workaround VMware ESXi cdrom emulation bug Michal Suchanek
2019-10-23 14:13 ` Hannes Reinecke
2019-10-23 16:23 ` Michal Suchánek
2019-10-23 21:44 ` Ewan D. Milne
2019-10-24 5:46 ` Hannes Reinecke
2019-10-24 8:56 ` Michal Suchánek
2019-10-24 9:41 ` Hannes Reinecke [this message]
2019-10-24 10:11 ` Michal Suchánek
2019-10-24 11:45 ` [PATCH RFC] scsi: blacklist: add VMware ESXi cdrom - broken tray emulation Michal Suchanek
2019-10-24 2:23 ` [PATCH v2 7/8] scsi: sr: workaround VMware ESXi cdrom emulation bug Christoph Hellwig
2019-10-24 8:53 ` Michal Suchánek
2019-11-21 15:21 ` Michal Suchánek
2019-10-23 12:52 ` [PATCH v2 8/8] scsi: sr: wait for the medium to become ready Michal Suchanek
2019-10-24 2:24 ` Christoph Hellwig
2019-10-24 8:51 ` Michal Suchánek
2019-10-24 13:14 ` Matthew Wilcox
2019-10-26 14:57 ` [scsi] 9ed2563662: BUG:kernel_NULL_pointer_dereference,address kernel test robot
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