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Wed, 3 Sep 2025 12:19:26 +0000 (GMT) Message-ID: <39141817-e3b6-4d74-8fe0-7cd567c656db@linux.ibm.com> Date: Wed, 3 Sep 2025 17:49:25 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv2 2/4] nvme: extend show-topology command to add support for multipath To: Daniel Wagner Cc: Hannes Reinecke , linux-nvme@lists.infradead.org, kbusch@kernel.org, gjoyce@ibm.com References: <93be5b21-8897-44d3-a590-42ba8f1b6abb@suse.de> <4f504c94-e6da-4a33-aa12-9dcb447e7021@flourine.local> <4e20561b-8b51-45c5-ad83-24b3d7ae092d@suse.de> <180fd47e-ffe6-4ef1-986e-5885afc34c01@linux.ibm.com> <8de91a15-3d89-4801-911a-00e45bb6a2f1@linux.ibm.com> <2eeba3ca-293c-429b-8afa-c5ba401c67b6@flourine.local> <9a878215-da92-408a-afb1-0e54e5770518@flourine.local> Content-Language: en-US From: Nilay Shroff In-Reply-To: <9a878215-da92-408a-afb1-0e54e5770518@flourine.local> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAzMCBTYWx0ZWRfX4yVVmCv6rqMK BSPWlVMAGKYfOWAyXqDhxqIYPiyPvP5SmE2c18XFPTimplzikxXGjoh6uGadlsvlHYdcgZtvw+5 bVBquML0o4Dg0+rvWROmtL2gENBcmhFjj3EUefzEAmOZDBlKWKnB3IZk6ES5gGkn6XB9bPoQb89 2PAE7kQohtiU4Vky+tC5W/R5JEqPjRynDHIs26iwfwuDGEIsepXLan7AHVBp4ng1uBpypKlNCzk QqXcV917tWj9q3x9FJ+/CF4/oHMmJrvw98nlM+thSI60qdhfVxaFsBREtdRPHQbcTLF1mgwjOHe RavfgPVwNgkKX3y6VCXHSjdnIuzgMT77F4L6zLDoo2y1Mn0KfyadK0uJgADYhvZp4se97G5LXDe BIO1Ni31 X-Proofpoint-GUID: McIZjjYuHgw87BE9wJUqLMc96ucE0moA X-Proofpoint-ORIG-GUID: McIZjjYuHgw87BE9wJUqLMc96ucE0moA X-Authority-Analysis: v=2.4 cv=Ao/u3P9P c=1 sm=1 tr=0 ts=68b83252 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=NEAV23lmAAAA:8 a=dRTOrBfqEdQex_4neEEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-03_06,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 impostorscore=0 priorityscore=1501 spamscore=0 suspectscore=0 bulkscore=0 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300030 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250903_051938_187670_0ADA1690 X-CRM114-Status: GOOD ( 16.89 ) 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 9/3/25 12:54 PM, Daniel Wagner wrote: > Hi Nilay, > > On Wed, Sep 03, 2025 at 09:52:13AM +0530, Nilay Shroff wrote: >> Having said that, the “monitor” idea seems worth pursuing separately as a >> longer-term feature. For users who want a live view today, they can already >> run something like "watch -n1 nvme show-topology ..." to refresh the snapshot >> every second. A built-in --monitor feature would be nicer and more efficient, >> but I think that’s orthogonal and can be discussed separately. And I believe >> "minitor" feature shall be useful as well for implementing nvme-top command >> (as I recall we (me and Daniel) discussed it during LSFM-2025). > > Yes, I remember the discussion, me trying to convince you to implement it :) Yeah I was convinced at the time :) > I've created an issue on github, so we can track this feature: > > https://github.com/linux-nvme/nvme-cli/issues/2904 > Okay good. I'll work on it once this patchset is merged. Thanks, --Nilay