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From: Sagi Grimberg <sagi@grimberg.me>
To: Christoph Hellwig <hch@lst.de>
Cc: "Ming Lei" <ming.lei@redhat.com>, "Jens Axboe" <axboe@kernel.dk>,
	linux-block@vger.kernel.org, linux-nvme@lists.infradead.org,
	"Keith Busch" <keith.busch@intel.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>,
	"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	"Juergen Gross" <jgross@suse.com>
Subject: Re: [PATCH 8/8] xen-blockfront: quiesce IO before device removal
Date: Thu, 6 Jul 2017 09:52:38 +0300	[thread overview]
Message-ID: <b4e867bf-65ba-d92c-1130-0fb8143b383d@grimberg.me> (raw)
In-Reply-To: <20170705225632.GB11849@lst.de>


>>> Looks the above change isn't needed since this blk_mq_start_stopped_hw_queues()
>>> should have been the counterpart of blk_mq_stop_hw_queue() in
>>> blkif_queue_rq().
>>
>> Removed the patch altogether in v2 as I'm not convinced it is needed.
> 
> I've only started reading the series, but to me it seems like the
> two places where xen-blkfront currently calls blk_mq_stop_hw_queues
> should probably converted, as they are the same category as the other
> calls converted in your series.

I'm not familiar enough with the code, I can restore a correct version
of it if it makes sense to you guys...

WARNING: multiple messages have this Message-ID (diff)
From: sagi@grimberg.me (Sagi Grimberg)
Subject: [PATCH 8/8] xen-blockfront: quiesce IO before device removal
Date: Thu, 6 Jul 2017 09:52:38 +0300	[thread overview]
Message-ID: <b4e867bf-65ba-d92c-1130-0fb8143b383d@grimberg.me> (raw)
In-Reply-To: <20170705225632.GB11849@lst.de>


>>> Looks the above change isn't needed since this blk_mq_start_stopped_hw_queues()
>>> should have been the counterpart of blk_mq_stop_hw_queue() in
>>> blkif_queue_rq().
>>
>> Removed the patch altogether in v2 as I'm not convinced it is needed.
> 
> I've only started reading the series, but to me it seems like the
> two places where xen-blkfront currently calls blk_mq_stop_hw_queues
> should probably converted, as they are the same category as the other
> calls converted in your series.

I'm not familiar enough with the code, I can restore a correct version
of it if it makes sense to you guys...

  reply	other threads:[~2017-07-06  6:52 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-04  7:55 [PATCH 0/8] correct quiescing in several block drivers Sagi Grimberg
2017-07-04  7:55 ` Sagi Grimberg
2017-07-04  7:55 ` [PATCH 1/8] nvme-rdma: quiesce/unquiesce admin_q instead of start/stop its hw queues Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04  8:15   ` Ming Lei
2017-07-04  8:15     ` Ming Lei
2017-07-04  8:59     ` Sagi Grimberg
2017-07-04  8:59       ` Sagi Grimberg
2017-07-04  9:07       ` Sagi Grimberg
2017-07-04  9:07         ` Sagi Grimberg
2017-07-04 12:41         ` Ming Lei
2017-07-04 12:41           ` Ming Lei
2017-07-04 15:35           ` Sagi Grimberg
2017-07-04 15:35             ` Sagi Grimberg
2017-07-04  7:55 ` [PATCH 2/8] nvme-fc: " Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04  8:18   ` Ming Lei
2017-07-04  8:18     ` Ming Lei
2017-07-04  7:55 ` [PATCH 3/8] nvme-loop: quiesce admin_q instead of stopping " Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04  8:23   ` Ming Lei
2017-07-04  8:23     ` Ming Lei
2017-07-04  9:24     ` Sagi Grimberg
2017-07-04  9:24       ` Sagi Grimberg
2017-07-04 10:38       ` Ming Lei
2017-07-04  7:55 ` [PATCH 4/8] nvme-pci: quiesce/unquiesce admin_q instead of start/stop its " Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04  8:26   ` Ming Lei
2017-07-04  8:26     ` Ming Lei
2017-07-04  7:55 ` [PATCH 5/8] nbd: quiesce request queues to make sure no submissions are inflight Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04  8:28   ` Ming Lei
2017-07-04  8:28     ` Ming Lei
2017-07-04  7:55 ` [PATCH 6/8] mtip32xx: " Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04 22:32   ` Ming Lei
2017-07-04 22:32     ` Ming Lei
2017-07-05  6:34     ` Sagi Grimberg
2017-07-05  6:34       ` Sagi Grimberg
2017-07-04  7:55 ` [PATCH 7/8] virtio_blk: quiesce/unquiesce live IO when entering PM states Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04  8:41   ` Ming Lei
2017-07-04  8:41     ` Ming Lei
2017-07-04 21:39   ` Michael S. Tsirkin
2017-07-04 21:39     ` Michael S. Tsirkin
2017-07-04  7:55 ` [PATCH 8/8] xen-blockfront: quiesce IO before device removal Sagi Grimberg
2017-07-04  7:55   ` Sagi Grimberg
2017-07-04 22:19   ` Ming Lei
2017-07-04 22:19     ` Ming Lei
2017-07-05  6:29     ` Sagi Grimberg
2017-07-05  6:29       ` Sagi Grimberg
2017-07-05 22:56       ` Christoph Hellwig
2017-07-05 22:56         ` Christoph Hellwig
2017-07-06  6:52         ` Sagi Grimberg [this message]
2017-07-06  6:52           ` Sagi Grimberg
2017-07-04  8:12 ` [PATCH 0/8] correct quiescing in several block drivers Ming Lei
2017-07-04  8:12   ` Ming Lei

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