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Tue, 22 Apr 2025 14:18:02 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E9EDF2004B; Tue, 22 Apr 2025 14:18:01 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 86D9920043; Tue, 22 Apr 2025 14:18:01 +0000 (GMT) Received: from osiris (unknown [9.87.146.239]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 22 Apr 2025 14:18:01 +0000 (GMT) Date: Tue, 22 Apr 2025 16:18:00 +0200 From: Heiko Carstens To: hch Cc: Shinichiro Kawasaki , "brauner@kernel.org" , "viro@zeniv.linux.org.uk" , "axboe@kernel.dk" , "djwong@kernel.org" , "ebiggers@google.com" , "linux-fsdevel@vger.kernel.org" , "linux-block@vger.kernel.org" Subject: Re: [PATCH] fs: move the bdex_statx call to vfs_getattr_nosec Message-ID: <20250422141800.40615A23-hca@linux.ibm.com> References: <20250417064042.712140-1-hch@lst.de> <20250422055149.GB29356@lst.de> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250422055149.GB29356@lst.de> X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=XvP6OUF9 c=1 sm=1 tr=0 ts=6807a51d cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=kj9zAlcOel0A:10 a=XR8D0OoHHMoA:10 a=VnNF1IyMAAAA:8 a=lvXfNf97AKID-M7_zB8A:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: aRWJbqBrJB_sokzVdD5EBI-UFkJfW5A9 X-Proofpoint-ORIG-GUID: B5dYCGBhRGQwF8cLu-gb1eNcl1lnURSa X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-22_07,2025-04-22_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1011 suspectscore=0 spamscore=0 malwarescore=0 impostorscore=0 adultscore=0 mlxlogscore=654 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504220106 On Tue, Apr 22, 2025 at 07:51:49AM +0200, hch wrote: > On Tue, Apr 22, 2025 at 05:03:19AM +0000, Shinichiro Kawasaki wrote: > > I ran blktests with the kernel v6.15-rc3, and found the test case md/001 hangs. > > The hang is recreated in stable manner. I bisected and found this patch as the > > commit 777d0961ff95 is the trigger. When I revert the commit from v6.15-rc3 > > kernel, the hang disappeared. > > > > Actions for fix will be appreciated. > > > > FYI, the kernel INFO messages recorded functions relevant to the trigger commit, > > such as bdev_statx or vfs_getattr_nosec [1]. > > This should fix it: FWIW, I was also about to report the same problem. Any reboot with dm targets hangs. Your patch fixes it also for me. Tested-by: Heiko Carstens