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Mon, 13 Jul 2026 11:55:10 +0000 (GMT) Received: from li-a84c74cc-2b13-11b2-a85c-acdd023f0674.bl1-in.ibm.com (unknown [9.123.7.57]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 13 Jul 2026 11:55:10 +0000 (GMT) From: Nilay Shroff To: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Cc: hch@lst.de, elver@google.com, kbusch@kernel.org, sagi@grimberg.me, axboe@fb.com, bvanassche@acm.org, gjoyce@linux.ibm.com, Nilay Shroff Subject: [PATCH v4 07/20] nvme: add context annotations for nvme_ns_head::requeue_list Date: Mon, 13 Jul 2026 17:24:08 +0530 Message-ID: <20260713115444.465704-8-nilay@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260713115444.465704-1-nilay@linux.ibm.com> References: <20260713115444.465704-1-nilay@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfX17K9QyqB896N DKdM0UZ0CiSEkJPaz7B+JN+zUmtRJwrqtaPlS/N6kFKLTKU/BZesWuKEd6n+3PEPj0/BX9B8T+H oswuUzy/UR5Xz/XbAy0cZMqGVpd556Y= X-Proofpoint-GUID: FqlIQZcrEEr67HKGM1SSgmrAxGWucDPx X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfX3V462lhtP5Fq R/D3qWMX5xWEiHtJeufOS8ynux8/dANWzNNqg5DY2lA7UaHinJDaDunc33CYkQJIxNzlUoIbJBA MZcq42DE0jrB8GUsmCUKMWXgoB1aBagSRsOHLQWpBSwgP/4yneAvVWS0WkP/uQqFoeX0YyDXktc 8VqKKiOzj6bZ6cMGpwCa/a/TWdsjqkwT/i4tvnTtvFi+/fJ5dsixcJ+02fJW1ZG48Eokm70rROq U1yzLfwUx/mpdKWFxFt7eEsxw5wMfpKLlkBUoPjHzr2tNRoZuuPEs/NizL53VUqfjU6XgQ8smia xc5Aff49y4rkR7kos4PTP5qcIUXFEIE0B+wY6saY3JZdcdfhXR5qwj1nAvX9bLRrOrsPueQ2Qnq KSXRXQOoC4waJD8xSTFUxIs/VrVejNoQ4B+S3+v7A3+7jv4WJcFPhN+zLE+/G6e55oRZpNcYjL6 D8uFeU21E7j/5lDQrRw== X-Proofpoint-ORIG-GUID: nsI4EP-qNr3rEPcJvhwneWO3LccdaRzV X-Authority-Analysis: v=2.4 cv=PvajqQM3 c=1 sm=1 tr=0 ts=6a54d225 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=nWZzvH9bQxjurKPVp9IA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-13_02,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 impostorscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 suspectscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607130122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260713_045525_215906_FDD9CD8C X-CRM114-Status: GOOD ( 14.01 ) 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 nvme_ns_head::requeue_list is protected by nvme_ns_head::requeue_lock. Annotate requeue_list with __guarded_by(&requeue_lock) so that Clang's context analysis can validate accesses to the list. Signed-off-by: Nilay Shroff --- drivers/nvme/host/nvme.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index b7c3ba9c0fc1..5e746ae1c805 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -561,7 +561,8 @@ struct nvme_ns_head { u16 nr_plids; u16 *plids; #ifdef CONFIG_NVME_MULTIPATH - struct bio_list requeue_list; + struct bio_list requeue_list + __guarded_by(&requeue_lock); spinlock_t requeue_lock; struct work_struct requeue_work; struct work_struct partition_scan_work; -- 2.53.0