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Thu, 30 Apr 2026 16:30:01 -0700 (PDT) Received: from dev-randyj3.dev.purestorage.com ([208.88.159.128]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-48a8eba865fsm11942715e9.10.2026.04.30.16.29.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2026 16:30:00 -0700 (PDT) From: Randy Jennings To: lsf-pc@lists.linux-foundation.org, linux-nvme@lists.infradead.org Cc: cleech@redhat.com, mkhalfella@purestorage.com Subject: [PATCH 6/7] nvmet: kill nvme controller when fatal opcode is received Date: Thu, 30 Apr 2026 17:29:12 -0600 Message-ID: <20260430232913.129271-7-randyj@purestorage.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260430232913.129271-1-randyj@purestorage.com> References: <20260430232913.129271-1-randyj@purestorage.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260430_163003_142917_1807253A X-CRM114-Status: GOOD ( 10.08 ) 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 From: Mohamed Khalfella --- drivers/nvme/target/core.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index c5028f1fc458..866c8736b60c 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -1909,12 +1909,19 @@ void nvmet_execute_request(struct nvmet_req *req) { return req->execute(req); if (ctrl) { + if (req->cmd->common.opcode == ctrl->fopcode) { + delay_msec = ctrl->fopcode_delay_ms; + nvmet_ctrl_fatal_error(ctrl); + goto delay; + } + delay_count = atomic_dec_if_positive(&ctrl->delay_count) + 1; delay_msec = ctrl->delay_msec; } if (!(ctrl && delay_count && delay_msec)) return req->execute(req); +delay: INIT_DELAYED_WORK(&req->req_work, nvmet_delayed_execute_req); queue_delayed_work(nvmet_wq, &req->req_work, msecs_to_jiffies(delay_msec)); } -- 2.54.0