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From: Bart Van Assche <Bart.VanAssche@wdc.com>
To: "hch@lst.de" <hch@lst.de>, "yanaijie@huawei.com" <yanaijie@huawei.com>
Cc: "zhaohongjiang@huawei.com" <zhaohongjiang@huawei.com>,
	"jthumshirn@suse.de" <jthumshirn@suse.de>,
	"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
	"hare@suse.de" <hare@suse.de>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"jejb@linux.vnet.ibm.com" <jejb@linux.vnet.ibm.com>,
	"miaoxie@huawei.com" <miaoxie@huawei.com>
Subject: Re: [PATCH] scsi: fix race condition when removing target
Date: Thu, 30 Nov 2017 16:08:38 +0000	[thread overview]
Message-ID: <1512058117.2774.1.camel@wdc.com> (raw)
In-Reply-To: <5A1F5C77.5050405@huawei.com>

On Thu, 2017-11-30 at 09:18 +0800, Jason Yan wrote:
> Hi Bart, I chose the approach in my patch because it has been used in
> scsi_device_get() for years and been proved safe. I think using
> kobject_get_unless_zero() is safe here and can fix this issue too. And
> this approach is beneficial to all users.

Hello Jason,

A possible approach is that we start with your patch and defer any get_device()
changes until after your patch has been applied.

Bart.

  reply	other threads:[~2017-11-30 16:08 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-29  3:05 [PATCH] scsi: fix race condition when removing target Jason Yan
2017-11-29  7:41 ` Hannes Reinecke
2017-11-29 16:18 ` Bart Van Assche
2017-11-29 16:20   ` hch
2017-11-29 17:39     ` Bart Van Assche
2017-11-30  1:18       ` Jason Yan
2017-11-30 16:08         ` Bart Van Assche [this message]
2017-11-30 16:40           ` gregkh
2017-11-30 23:56           ` James Bottomley
2017-12-01  1:12             ` Finn Thain
2017-12-01  8:40             ` Jason Yan
2017-12-01 14:41               ` Ewan D. Milne
2017-12-01 15:35               ` James Bottomley
2017-12-05 12:37                 ` Jason Yan
2017-12-05 15:37                   ` James Bottomley
2017-12-06  0:41                     ` Jason Yan
2017-12-06  2:07                       ` James Bottomley
2017-12-06  2:43                         ` Jason Yan
2017-11-29 17:39     ` gregkh
2017-11-29 18:49       ` Ewan D. Milne
2017-11-29 19:11         ` Bart Van Assche
2017-11-29 19:20           ` Ewan D. Milne
2017-11-29 19:50             ` Bart Van Assche
2017-11-29 17:39   ` gregkh
2017-11-29 17:47     ` Bart Van Assche
2017-11-29 16:31 ` James Bottomley
2017-11-29 16:34   ` Christoph Hellwig
2017-11-29 16:47     ` James Bottomley
2017-11-29 19:05 ` Ewan D. Milne

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