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b=qy6dfZlhoWcDPo0LUgRUGYTu8oflHarmH8C14paw1qp/H1e8+XyaUx/DAmj5wgobmETswg C2EhuyIuFhnBk0Bg== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id C279E13931; Tue, 29 Apr 2025 06:32:03 +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 VgjxLWNyEGgBYQAAD6G6ig (envelope-from ); Tue, 29 Apr 2025 06:32:03 +0000 Message-ID: <9b869482-f8a6-456e-a4c0-0e83020296c5@suse.de> Date: Tue, 29 Apr 2025 08:32:03 +0200 Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/9] block: export API to get the number of bdev inflight IO To: Yu Kuai , hch@infradead.org, axboe@kernel.dk, xni@redhat.com, agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com, song@kernel.org, yukuai3@huawei.com, cl@linux.com, nadav.amit@gmail.com, ubizjak@gmail.com, akpm@linux-foundation.org Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com References: <20250427082928.131295-1-yukuai1@huaweicloud.com> <20250427082928.131295-6-yukuai1@huaweicloud.com> Content-Language: en-US From: Hannes Reinecke In-Reply-To: <20250427082928.131295-6-yukuai1@huaweicloud.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: DBD9C21E53 X-Spam-Score: -3.01 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[20]; FREEMAIL_TO(0.00)[huaweicloud.com,infradead.org,kernel.dk,redhat.com,kernel.org,huawei.com,linux.com,gmail.com,linux-foundation.org]; MIME_TRACE(0.00)[0:+]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; ASN(0.00)[asn:25478, ipnet:::/0, country:RU]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,suse.de:email,huawei.com:email,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Flag: NO X-Spam-Level: On 4/27/25 10:29, Yu Kuai wrote: > From: Yu Kuai > > - rename part_in_{flight, flight_rw} to bdev_count_{inflight, inflight_rw} > - export bdev_count_inflight, to fix a problem in mdraid that foreground > IO can be starved by background sync IO in later patches > > Signed-off-by: Yu Kuai > --- > block/blk-core.c | 2 +- > block/blk.h | 1 - > block/genhd.c | 22 ++++++++++++++++------ > include/linux/part_stat.h | 2 ++ > 4 files changed, 19 insertions(+), 8 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich