From: Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
To: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2 1/3] RDMA/core: make ib_device.add method optional
Date: Thu, 6 Jul 2017 10:51:36 +0300 [thread overview]
Message-ID: <14303999-2479-653c-719f-ac5a5b03fb33@grimberg.me> (raw)
In-Reply-To: <1498983652-18250-2-git-send-email-sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
> ib_clients can indeed fill .add to NULL, but then they will not see
> any device removal notifications. The reason is that that
> ib_register_client and ib_register_device checked existence of .add
> before adding the creating a corresponding client_data and adding
> it to the list. Simple condition reverse fixes the issue.
>
> Reviewed-by: Johannes Thumshirn <jthumshirn-l3A5Bk7waGM@public.gmane.org>
> Reviewed-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
> Signed-off-by: Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
Any RDMA folks?
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WARNING: multiple messages have this Message-ID (diff)
From: sagi@grimberg.me (Sagi Grimberg)
Subject: [PATCH v2 1/3] RDMA/core: make ib_device.add method optional
Date: Thu, 6 Jul 2017 10:51:36 +0300 [thread overview]
Message-ID: <14303999-2479-653c-719f-ac5a5b03fb33@grimberg.me> (raw)
In-Reply-To: <1498983652-18250-2-git-send-email-sagi@grimberg.me>
> ib_clients can indeed fill .add to NULL, but then they will not see
> any device removal notifications. The reason is that that
> ib_register_client and ib_register_device checked existence of .add
> before adding the creating a corresponding client_data and adding
> it to the list. Simple condition reverse fixes the issue.
>
> Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
Any RDMA folks?
next prev parent reply other threads:[~2017-07-06 7:51 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-02 8:20 [PATCH v2 0/3] Allow ib_clients to nullify .add but still get .remove events reliably Sagi Grimberg
2017-07-02 8:20 ` Sagi Grimberg
[not found] ` <1498983652-18250-1-git-send-email-sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-07-02 8:20 ` [PATCH v2 1/3] RDMA/core: make ib_device.add method optional Sagi Grimberg
2017-07-02 8:20 ` Sagi Grimberg
[not found] ` <1498983652-18250-2-git-send-email-sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-07-06 7:51 ` Sagi Grimberg [this message]
2017-07-06 7:51 ` Sagi Grimberg
[not found] ` <14303999-2479-653c-719f-ac5a5b03fb33-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-07-06 8:33 ` Leon Romanovsky
2017-07-06 8:33 ` Leon Romanovsky
[not found] ` <20170706083301.GS1528-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-07-06 8:38 ` Sagi Grimberg
2017-07-06 8:38 ` Sagi Grimberg
2017-07-02 8:20 ` [PATCH v2 2/3] nvme-rdma: remove redundant empty device add callout Sagi Grimberg
2017-07-02 8:20 ` Sagi Grimberg
2017-07-02 8:20 ` [PATCH v2 3/3] nvmet-rdma: " Sagi Grimberg
2017-07-02 8:20 ` Sagi Grimberg
2017-07-02 9:14 ` [PATCH v2 0/3] Allow ib_clients to nullify .add but still get .remove events reliably Max Gurtovoy
2017-07-02 9:14 ` Max Gurtovoy
[not found] ` <8927ea7d-c6ba-4f32-4ede-0897e83bcda2-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-08-18 14:46 ` Doug Ledford
2017-08-18 14:46 ` Doug Ledford
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