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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 12/20] nvme: remove the 0 lba_shift check in nvme_update_ns_info
Date: Mon, 28 Sep 2020 14:51:58 +0000	[thread overview]
Message-ID: <CY4PR04MB37516993B876C455EB779C2BE7350@CY4PR04MB3751.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20200928123502.435373-13-hch@lst.de

On 2020/09/28 21:35, Christoph Hellwig wrote:
> We can't reach this code if Identify Namespace failed.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  drivers/nvme/host/core.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index 0114fe47de3571..910198c3e0bbd1 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -2129,13 +2129,7 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
>  	int ret;
>  
>  	blk_mq_freeze_queue(ns->disk->queue);
> -	/*
> -	 * If identify namespace failed, use default 512 byte block size so
> -	 * block layer can use before failing read/write for 0 capacity.
> -	 */
>  	ns->lba_shift = id->lbaf[lbaf].ds;
> -	if (ns->lba_shift == 0)
> -		ns->lba_shift = 9;
>  
>  	switch (ns->head->ids.csi) {
>  	case NVME_CSI_NVM:
> 

Looks good.

Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>

-- 
Damien Le Moal
Western Digital Research

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  reply	other threads:[~2020-09-28 14:52 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 [this message]
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
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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