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[98.164.255.77]) by smtp.gmail.com with ESMTPSA id i2-20020a17090332c200b0015e8d4eb26esm4183717plr.184.2022.09.22.08.06.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Sep 2022 08:06:35 -0700 (PDT) Message-ID: <908ea61e-32a7-254c-9cd0-b322bafcc0fd@gmail.com> Date: Thu, 22 Sep 2022 08:06:33 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH v2 3/2 nvme-cli] fabrics: re-read the discovery log page when a discovery controller reconnected Content-Language: en-US To: Sagi Grimberg , linux-nvme@lists.infradead.org Cc: Christoph Hellwig , Keith Busch , Chaitanya Kulkarni , Hannes Reinecke , Daniel Wagner , James Smart References: <20220922081538.13364-1-sagi@grimberg.me> <20220922081538.13364-4-sagi@grimberg.me> From: James Smart In-Reply-To: <20220922081538.13364-4-sagi@grimberg.me> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220922_080637_451896_876BD735 X-CRM114-Status: GOOD ( 13.07 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 9/22/2022 1:15 AM, Sagi Grimberg wrote: > When using persistent discovery controllers, if the discovery controller > loses connectivity and manage to reconnect after a while, we need to > retrieve again the discovery log page in order to learn about possible > changes that may have occurred during this time as discovery log change > events were lost. > > Upon reception of a udev EVENT=rediscover we can kickstart discovery on > the existing discovery controller device node that generated the event. > > Signed-off-by: Sagi Grimberg > --- > nvmf-autoconnect/udev-rules/70-nvmf-autoconnect.rules.in | 7 +++++++ > 1 file changed, 7 insertions(+) > Reviewed-by: James Smart -- james