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Fri, 23 Aug 2024 06:50:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id bcydOBwxyGaTbAAAD6G6ig (envelope-from ); Fri, 23 Aug 2024 06:50:04 +0000 Message-ID: <746c53383557efde6bfa09e2bd848b553f88ff3a.camel@suse.com> Subject: Re: [PATCH 3/3] nvme: add test for controller rescan under I/O load From: Martin Wilck To: Daniel Wagner Cc: Shin'ichiro Kawasaki , Chaitanya Kulkarni , Hannes Reinecke , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Date: Fri, 23 Aug 2024 08:50:04 +0200 In-Reply-To: <9e199fd0-5767-4a63-930a-b08e89e4e354@flourine.local> References: <20240822193814.106111-1-mwilck@suse.com> <20240822193814.106111-3-mwilck@suse.com> <9e199fd0-5767-4a63-930a-b08e89e4e354@flourine.local> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.4 MIME-Version: 1.0 X-Rspamd-Queue-Id: 34F2F1F74D X-Spamd-Result: default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.com:s=susede1]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCPT_COUNT_FIVE(0.00)[6]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.com:dkim,suse.com:mid]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; DKIM_TRACE(0.00)[suse.com:+] X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240822_235008_345162_32EF2479 X-CRM114-Status: GOOD ( 14.27 ) 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 Fri, 2024-08-23 at 08:45 +0200, Daniel Wagner wrote: > On Thu, Aug 22, 2024 at 09:38:14PM GMT, Martin Wilck wrote: > > Add a test that repeatedly rescans nvme controllers while doing IO > > on an nvme namespace connected to these controllers. The purpose > > of the test is to make sure that no I/O errors or data corruption > > occurs because of the rescan operations. >=20 > Could you elaborate why this tests is added? Does it test for a > regression, are there any patches for this? Or is it more let's > ensure > this actually works? The rationale was to test the kernel patch that I submitted yesterday:=20 https://lore.kernel.org/linux-nvme/9de89e5a-04fc-4684-8514-b86884643a5d@sus= e.de/T/#t Thanks, Martin