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From: Hannes Reinecke <hare@suse.de>
To: Daniel Wagner <wagi@kernel.org>,
	James Smart <james.smart@broadcom.com>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	Chaitanya Kulkarni <kch@nvidia.com>
Cc: Keith Busch <kbusch@kernel.org>,
	linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 07/11] nvmet-fc: update tgtport ref per assoc
Date: Fri, 28 Feb 2025 08:30:30 +0100	[thread overview]
Message-ID: <fbb3f6c7-a66d-4266-9fcd-ab82d14df5ed@suse.de> (raw)
In-Reply-To: <20250226-nvmet-fcloop-v1-7-c0bd83d43e6a@kernel.org>

On 2/26/25 19:45, Daniel Wagner wrote:
> We need to take for each unique association a reference.
> nvmet_fc_alloc_hostport for each newly created association.
> 
> Signed-off-by: Daniel Wagner <wagi@kernel.org>
> ---
>   drivers/nvme/target/fc.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
> index 3ef4beacde3257147a59321e8f13451326302de0..b807b4c05cac7fe4764df3df76f8fa50f4bab6ba 100644
> --- a/drivers/nvme/target/fc.c
> +++ b/drivers/nvme/target/fc.c
> @@ -1157,6 +1157,7 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
>   		goto out_ida;
>   
>   	assoc->tgtport = tgtport;
> +	nvmet_fc_tgtport_get(tgtport);
>   	assoc->a_id = idx;
>   	INIT_LIST_HEAD(&assoc->a_list);
>   	kref_init(&assoc->ref);
> @@ -1258,6 +1259,8 @@ nvmet_fc_delete_target_assoc(struct nvmet_fc_tgt_assoc *assoc)
>   	dev_info(tgtport->dev,
>   		"{%d:%d} Association deleted\n",
>   		tgtport->fc_target_port.port_num, assoc->a_id);
> +
> +	nvmet_fc_tgtport_put(tgtport);
>   }
>   
>   static struct nvmet_fc_tgt_assoc *
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@suse.de                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich

  reply	other threads:[~2025-02-28  7:30 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-26 18:45 [PATCH 00/11] nvmet-fcloop: track resources via reference counting Daniel Wagner
2025-02-26 18:45 ` [PATCH 01/11] nvmet-fcloop: remove nport from list on last user Daniel Wagner
2025-02-28  7:04   ` Hannes Reinecke
2025-03-05 14:16   ` Christoph Hellwig
2025-02-26 18:45 ` [PATCH 02/11] nvmet-fcloop: add ref counting to lport Daniel Wagner
2025-02-28  7:05   ` Hannes Reinecke
2025-03-05 14:17   ` Christoph Hellwig
2025-03-06  9:26     ` Daniel Wagner
2025-03-06 10:06       ` Daniel Wagner
2025-02-26 18:45 ` [PATCH 03/11] nvmet-fcloop: refactor fcloop_nport_alloc Daniel Wagner
2025-02-28  7:11   ` Hannes Reinecke
2025-02-28  7:56     ` Daniel Wagner
2025-03-05 14:18   ` Christoph Hellwig
2025-02-26 18:45 ` [PATCH 04/11] nvmet-fcloop: track ref counts for nports Daniel Wagner
2025-02-28  7:19   ` Hannes Reinecke
2025-02-28  8:09     ` Daniel Wagner
2025-02-28  8:18     ` Daniel Wagner
2025-02-26 18:45 ` [PATCH 05/11] nvmet-fcloop: track tport with ref counting Daniel Wagner
2025-02-28  7:27   ` Hannes Reinecke
2025-02-28  8:30     ` Daniel Wagner
2025-02-28 14:31       ` Daniel Wagner
2025-02-26 18:45 ` [PATCH 06/11] nvmet-fcloop: track rport " Daniel Wagner
2025-02-28  7:29   ` Hannes Reinecke
2025-02-26 18:45 ` [PATCH 07/11] nvmet-fc: update tgtport ref per assoc Daniel Wagner
2025-02-28  7:30   ` Hannes Reinecke [this message]
2025-02-26 18:46 ` [PATCH 08/11] nvmet-fc: take tgtport reference only once Daniel Wagner
2025-02-28  7:34   ` Hannes Reinecke
2025-02-28  8:45     ` Daniel Wagner
2025-02-26 18:46 ` [PATCH 09/11] nvmet-fc: free pending reqs on tgtport unregister Daniel Wagner
2025-02-28  7:35   ` Hannes Reinecke
2025-02-26 18:46 ` [PATCH 10/11] nvmet-fc: inline nvmet_fc_delete_assoc Daniel Wagner
2025-02-28  7:36   ` Hannes Reinecke
2025-02-26 18:46 ` [PATCH 11/11] nvmet-fc: inline nvmet_fc_free_hostport Daniel Wagner
2025-02-28  7:37   ` Hannes Reinecke
2025-02-27 16:30 ` [PATCH 00/11] nvmet-fcloop: track resources via reference counting Daniel Wagner

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