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Mon, 13 Jul 2026 11:55:21 +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 11:55:21 +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 12/20] nvme: add context annotations for nvme_ctrl::ana_lock Date: Mon, 13 Jul 2026 17:24:13 +0530 Message-ID: <20260713115444.465704-13-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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfX1EqSEstlvkYI eKs+PBb/P0qfWZPzlWd0MoP0xthtRBHQE8gA0DjY5a+R+oOZlRwSJPN6mD/EWijRdcxmG5I9Rjf fSeST17xq65AHoCxzU8yEMdLYB+y8qw= X-Proofpoint-GUID: 2l4JzMV2DhZm3KVCEszizGQVAFYy3dGX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDEyMiBTYWx0ZWRfX6ZApbsauEarA B2tO0AYbpefW5lguAW+vcwD+IhybUIDtHOGjWXuaaP1Ey85CVZtvF486dqy3oJgjjiu37VOcYmZ RV/yxSB7FjwMd5D2xFuV3XgQF4yPinjspJ313QPzGOMof2fxUgRlAKO8wbJ1C371wQTvMoTurWB ttFLshXO/QtIhL2H9+FzWbCEZg83swsKP23TRS56WWlRwuljaV2e6X7xN13wkn5dPcN/R1rOSoA ApY45GmOPyFPLImJ6fhiaKtrMB9z3kdS92NQjc9kUSkofeJKYvS/xzVNkLFB6ws7kGvnHdc0JYI oZRNd9IwJX07lHq1hqUabQIUytM1NWNaB5kugSuhbUS6ZybcNKeO41131uRbneqIIBhzylONHDm KEyiyQtC4rynLF4cVnx4mHlxHUVeYaUC4elng+eYeZnGcJVR2sKF5bC2cK1Dg+gOzURCU3jpnPN T5TwcIO9754j7NmonYQ== X-Proofpoint-ORIG-GUID: w_2gv5lushqVimUQlyRFebiIB_fiu3uZ X-Authority-Analysis: v=2.4 cv=PvajqQM3 c=1 sm=1 tr=0 ts=6a54d230 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=dKw57NzDpq4Cn0Z9zg4A:9 a=ZXulRonScM0A:10 a=zZCYzV9kfG8A:10 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 nvme_parse_ana_log() accesses ANA state protected by ctrl->ana_lock and therefore requires callers to hold the lock. Annotate nvme_parse_ana_log() with __must_hold(&ctrl->ana_lock) so that Clang's lock context analysis can verify the locking requirement at compile time. Reviewed-by: Christoph Hellwig Signed-off-by: Nilay Shroff --- drivers/nvme/host/multipath.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 698d79a97045..d714852ddc01 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -829,6 +829,7 @@ static void nvme_mpath_set_live(struct nvme_ns *ns) static int nvme_parse_ana_log(struct nvme_ctrl *ctrl, void *data, int (*cb)(struct nvme_ctrl *ctrl, struct nvme_ana_group_desc *, void *)) + __must_hold(&ctrl->ana_lock) { void *base = ctrl->ana_log_buf; size_t offset = sizeof(struct nvme_ana_rsp_hdr); -- 2.53.0