From: Damien Le Moal <Damien.LeMoal@wdc.com>
To: Christoph Hellwig <hch@lst.de>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Cc: Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Sagi Grimberg <sagi@grimberg.me>
Subject: Re: [PATCH 18/20] nvme: move nvme_validate_ns
Date: Mon, 28 Sep 2020 15:12:50 +0000 [thread overview]
Message-ID: <CY4PR04MB37517EDA32674858B495F7C9E7350@CY4PR04MB3751.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20200928123502.435373-19-hch@lst.de
On 2020/09/28 21:35, Christoph Hellwig wrote:
> Move nvme_validate_ns just above its only remaining caller.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> drivers/nvme/host/core.c | 74 ++++++++++++++++++++--------------------
> 1 file changed, 37 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index ad18c32b36e7b6..07309f6c14faab 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -2156,43 +2156,6 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
> return ret;
> }
>
> -static int nvme_validate_ns(struct nvme_ns *ns, struct nvme_ns_ids *ids)
> -{
> - struct nvme_ctrl *ctrl = ns->ctrl;
> - struct nvme_id_ns *id;
> - int ret = 0;
> -
> - if (test_bit(NVME_NS_DEAD, &ns->flags)) {
> - set_capacity(ns->disk, 0);
> - return -ENODEV;
> - }
> -
> - ret = nvme_identify_ns(ctrl, ns->head->ns_id, ids, &id);
> - if (ret)
> - goto out;
> -
> - if (!nvme_ns_ids_equal(&ns->head->ids, ids)) {
> - dev_err(ctrl->device,
> - "identifiers changed for nsid %d\n", ns->head->ns_id);
> - ret = -ENODEV;
> - goto free_id;
> - }
> -
> - ret = nvme_update_ns_info(ns, id);
> -free_id:
> - kfree(id);
> -out:
> - /*
> - * Only fail the function if we got a fatal error back from the
> - * device, otherwise ignore the error and just move on.
> - */
> - if (ret == -ENOMEM || (ret > 0 && !(ret & NVME_SC_DNR)))
> - ret = 0;
> - else if (ret > 0)
> - ret = blk_status_to_errno(nvme_error_status(ret));
> - return ret;
> -}
> -
> static char nvme_pr_type(enum pr_type type)
> {
> switch (type) {
> @@ -3973,6 +3936,43 @@ static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid)
> }
> }
>
> +static int nvme_validate_ns(struct nvme_ns *ns, struct nvme_ns_ids *ids)
> +{
> + struct nvme_ctrl *ctrl = ns->ctrl;
> + struct nvme_id_ns *id;
> + int ret = 0;
> +
> + if (test_bit(NVME_NS_DEAD, &ns->flags)) {
> + set_capacity(ns->disk, 0);
> + return -ENODEV;
> + }
> +
> + ret = nvme_identify_ns(ctrl, ns->head->ns_id, ids, &id);
> + if (ret)
> + goto out;
> +
> + if (!nvme_ns_ids_equal(&ns->head->ids, ids)) {
> + dev_err(ctrl->device,
> + "identifiers changed for nsid %d\n", ns->head->ns_id);
> + ret = -ENODEV;
> + goto free_id;
> + }
> +
> + ret = nvme_update_ns_info(ns, id);
> +free_id:
> + kfree(id);
> +out:
> + /*
> + * Only fail the function if we got a fatal error back from the
> + * device, otherwise ignore the error and just move on.
> + */
> + if (ret == -ENOMEM || (ret > 0 && !(ret & NVME_SC_DNR)))
> + ret = 0;
> + else if (ret > 0)
> + ret = blk_status_to_errno(nvme_error_status(ret));
> + return ret;
> +}
> +
> static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
> {
> struct nvme_ns_ids ids = { };
>
Looks good.
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
--
Damien Le Moal
Western Digital Research
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next prev parent reply other threads:[~2020-09-28 15:13 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-28 12:34 refactor the nvme scanning and validation code Christoph Hellwig
2020-09-28 12:34 ` [PATCH 01/20] block: optimize blk_queue_zoned_model for !CONFIG_BLK_DEV_ZONED Christoph Hellwig
2020-09-28 14:11 ` Damien Le Moal
2020-09-29 8:29 ` Sagi Grimberg
2020-09-29 18:25 ` Christoph Hellwig
2020-09-29 21:12 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 02/20] nvme: fix initialization of the zone bitmaps Christoph Hellwig
2020-09-28 14:13 ` Damien Le Moal
2020-09-28 14:16 ` Damien Le Moal
2020-09-28 14:26 ` Christoph Hellwig
2020-09-29 21:27 ` Keith Busch
2020-09-28 12:34 ` [PATCH 03/20] nvme: remove the disk argument to nvme_update_zone_info Christoph Hellwig
2020-09-28 14:17 ` Damien Le Moal
2020-09-29 8:32 ` Sagi Grimberg
2020-09-29 21:15 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 04/20] nvme: rename nvme_validate_ns to nvme_validate_or_alloc_ns Christoph Hellwig
2020-09-28 14:19 ` Damien Le Moal
2020-09-29 8:33 ` Sagi Grimberg
2020-09-29 21:17 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 05/20] nvme: rename _nvme_revalidate_disk Christoph Hellwig
2020-09-28 14:20 ` Damien Le Moal
2020-09-29 8:34 ` Sagi Grimberg
2020-09-29 21:18 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 06/20] nvme: rename __nvme_revalidate_disk Christoph Hellwig
2020-09-28 14:21 ` Damien Le Moal
2020-09-29 8:35 ` Sagi Grimberg
2020-09-29 21:20 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 07/20] nvme: lift the check for an unallocated namespace into nvme_identify_ns Christoph Hellwig
2020-09-28 14:27 ` Damien Le Moal
2020-09-29 18:29 ` Christoph Hellwig
2020-09-29 8:36 ` Sagi Grimberg
2020-09-29 21:22 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 08/20] nvme: call nvme_identify_ns as the first thing in nvme_alloc_ns_block Christoph Hellwig
2020-09-28 14:32 ` Damien Le Moal
2020-09-29 8:39 ` Sagi Grimberg
2020-09-29 18:30 ` Christoph Hellwig
2020-09-29 21:24 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 09/20] nvme: factor out a nvme_configure_metadata helper Christoph Hellwig
2020-09-28 14:35 ` Damien Le Moal
2020-09-29 8:40 ` Sagi Grimberg
2020-09-29 21:27 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 10/20] nvme: freeze the queue over ->lba_shift updates Christoph Hellwig
2020-09-28 14:49 ` Damien Le Moal
2020-09-29 8:48 ` Sagi Grimberg
2020-09-29 18:32 ` Christoph Hellwig
2020-09-29 19:07 ` Sagi Grimberg
2020-10-02 16:03 ` Sagi Grimberg
2020-10-05 8:32 ` Christoph Hellwig
2020-09-28 12:34 ` [PATCH 11/20] nvme: clean up the check for too large logic block sizes Christoph Hellwig
2020-09-28 14:50 ` Damien Le Moal
2020-09-29 18:33 ` Christoph Hellwig
2020-09-29 8:50 ` Sagi Grimberg
2020-09-29 18:34 ` Christoph Hellwig
2020-09-28 12:34 ` [PATCH 12/20] nvme: remove the 0 lba_shift check in nvme_update_ns_info Christoph Hellwig
2020-09-28 14:51 ` Damien Le Moal
2020-09-29 8:52 ` Sagi Grimberg
2020-09-29 18:34 ` Christoph Hellwig
2020-09-29 21:46 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 13/20] nvme: set the queue limits " Christoph Hellwig
2020-09-28 14:55 ` Damien Le Moal
2020-09-29 8:54 ` Sagi Grimberg
2020-09-29 21:52 ` Chaitanya Kulkarni
2020-09-30 6:12 ` Christoph Hellwig
2020-09-28 12:34 ` [PATCH 14/20] nvme: update the known admin effects Christoph Hellwig
2020-09-28 14:57 ` Damien Le Moal
2020-09-29 8:55 ` Sagi Grimberg
2020-09-29 21:54 ` Chaitanya Kulkarni
2020-09-28 12:34 ` [PATCH 15/20] nvme: remove nvme_update_formats Christoph Hellwig
2020-09-28 15:02 ` Damien Le Moal
2020-09-28 12:34 ` [PATCH 16/20] nvme: revalidate zone bitmaps in nvme_update_ns_info Christoph Hellwig
2020-09-28 15:06 ` Damien Le Moal
2020-09-29 18:37 ` Christoph Hellwig
2020-09-28 12:34 ` [PATCH 17/20] nvme: query namespae identifiers before adding the namespace Christoph Hellwig
2020-09-28 15:11 ` Damien Le Moal
2020-09-30 9:44 ` Niklas Cassel
2020-09-30 10:04 ` Niklas Cassel
2020-10-01 17:14 ` Christoph Hellwig
2020-10-01 17:43 ` Niklas Cassel
2020-10-02 6:41 ` Christoph Hellwig
2020-09-28 12:35 ` [PATCH 18/20] nvme: move nvme_validate_ns Christoph Hellwig
2020-09-28 15:12 ` Damien Le Moal [this message]
2020-09-30 0:22 ` Chaitanya Kulkarni
2020-09-30 6:13 ` Christoph Hellwig
2020-09-28 12:35 ` [PATCH 19/20] nvme: refactor nvme_validate_ns Christoph Hellwig
2020-09-28 15:15 ` Damien Le Moal
2020-09-29 18:40 ` Christoph Hellwig
2020-09-28 12:35 ` [PATCH 20/20] nvme: remove nvme_identify_ns_list Christoph Hellwig
2020-09-29 23:59 ` Chaitanya Kulkarni
2020-09-29 16:51 ` refactor the nvme scanning and validation code Keith Busch
2020-09-30 6:41 ` Christoph Hellwig
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