From: Christoph Hellwig <hch@lst.de>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH v2] nvme: inherit stable pages constraint in the mpath stack device
Date: Wed, 1 Apr 2020 11:05:42 +0200 [thread overview]
Message-ID: <20200401090542.GB31980@lst.de> (raw)
In-Reply-To: <20200401060625.10293-1-sagi@grimberg.me>
On Tue, Mar 31, 2020 at 11:06:25PM -0700, Sagi Grimberg wrote:
> @@ -1907,6 +1907,13 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
> if (ns->head->disk) {
> nvme_update_disk_info(ns->head->disk, ns, id);
> blk_queue_stack_limits(ns->head->disk->queue, ns->queue);
> + if (bdi_cap_stable_pages_required(ns->queue->backing_dev_info)) {
> + struct backing_dev_info *info =
> + ns->head->disk->queue->backing_dev_info;
> +
> + info->capabilities |= BDI_CAP_STABLE_WRITES;
> + }
I think this needs to go into blk_queue_stack_limits instead, otherwise
we have the same problem with other stacking drivers.
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next prev parent reply other threads:[~2020-04-01 9:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-01 6:06 [PATCH v2] nvme: inherit stable pages constraint in the mpath stack device Sagi Grimberg
2020-04-01 6:33 ` Christoph Hellwig
2020-04-01 6:41 ` Sagi Grimberg
2020-04-01 9:05 ` Christoph Hellwig [this message]
2020-04-01 19:11 ` Sagi Grimberg
2020-04-02 7:52 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2020-04-02 5:44 Sagi Grimberg
2020-04-02 8:52 ` Christoph Hellwig
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