From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org,
"jianchao.wang" <jianchao.w.wang@oracle.com>,
Guenter Roeck <linux@roeck-us.net>,
stable@vger.kernel.org
Subject: Re: [PATCH V2 for-4.21 1/2] blk-mq: not embed .mq_kobj and ctx->kobj into queue instance
Date: Fri, 16 Nov 2018 06:05:21 -0800 [thread overview]
Message-ID: <20181116140521.GB4595@kroah.com> (raw)
In-Reply-To: <20181116112311.4117-2-ming.lei@redhat.com>
On Fri, Nov 16, 2018 at 07:23:10PM +0800, Ming Lei wrote:
> @@ -456,7 +456,7 @@ struct request_queue {
> /*
> * mq queue kobject
> */
> - struct kobject mq_kobj;
> + struct kobject *mq_kobj;
What is this kobject even used for? It wasn't obvious at all from this
patch, why is it needed if you are not using it to reference count the
larger structure here?
thanks,
greg k-h
next prev parent reply other threads:[~2018-11-16 14:05 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-16 11:23 [PATCH V2 0/2] blk-mq: fix kobject lifetime issue Ming Lei
2018-11-16 11:23 ` [PATCH V2 for-4.21 1/2] blk-mq: not embed .mq_kobj and ctx->kobj into queue instance Ming Lei
2018-11-16 14:05 ` Greg Kroah-Hartman [this message]
2018-11-17 2:26 ` Ming Lei
2018-11-19 10:06 ` Greg Kroah-Hartman
2018-11-19 10:20 ` Ming Lei
2018-11-16 11:23 ` [PATCH V2 for-4.21 2/2] blk-mq: alloc q->queue_ctx as normal array Ming Lei
2018-11-16 14:06 ` Greg Kroah-Hartman
2018-11-17 2:34 ` Ming Lei
2018-11-17 10:03 ` Greg Kroah-Hartman
2018-11-19 2:04 ` Ming Lei
2018-11-19 10:17 ` Greg Kroah-Hartman
2018-11-19 10:51 ` Ming Lei
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