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Thu, 25 Jul 2024 06:23:29 +0000 (GMT) Message-ID: Date: Thu, 25 Jul 2024 11:53:28 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 0/1] Add visibility for native NVMe miltipath using debugfs To: Christoph Hellwig , Daniel Wagner Cc: linux-nvme@lists.infradead.org, kbusch@kernel.org, sagi@grimberg.me, axboe@fb.com, gjoyce@linux.ibm.com References: <20240722093124.42581-1-nilay@linux.ibm.com> <5nwflcpqoyknrruzdlvgnt5bpcoxh6nrirjwnjes4oazkr7nai@uwsynbuduibr> <831af264-7f8a-495e-99b0-51f294e0948f@linux.ibm.com> <20240724134152.GB12516@lst.de> Content-Language: en-US From: Nilay Shroff In-Reply-To: <20240724134152.GB12516@lst.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: FC_aDlrUDEtvqukRnKmTLfdvRI2Degat X-Proofpoint-ORIG-GUID: FC_aDlrUDEtvqukRnKmTLfdvRI2Degat X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-25_05,2024-07-25_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 clxscore=1015 phishscore=0 spamscore=0 bulkscore=0 mlxlogscore=640 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2407250038 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240724_232644_876087_6D87E241 X-CRM114-Status: GOOD ( 15.16 ) 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 7/24/24 19:11, Christoph Hellwig wrote: > On Tue, Jul 23, 2024 at 09:40:55AM +0200, Daniel Wagner wrote: >> debugfs might always be available. IIRC when lockdown is enabled, debugfs >> is not available or parts of it. >> >> I'd suggest going the full way and add expose the relevant information >> via sysfs and extend libnvme and nvme-cli. But this just my take on this. > > Yes, if we want to do this properly sysfs is the place to go, not > debugfs. > Alright, I will send out another patch with relevant changes for sysfs and then latter in libnvme/nvme-cli. Thanks, --Nilay