From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3534CC6778A for ; Tue, 3 Jul 2018 15:17:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFDFC208E4 for ; Tue, 3 Jul 2018 15:17:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=toxicpanda-com.20150623.gappssmtp.com header.i=@toxicpanda-com.20150623.gappssmtp.com header.b="pq/OeWdh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DFDFC208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=toxicpanda.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933482AbeGCPRM (ORCPT ); Tue, 3 Jul 2018 11:17:12 -0400 Received: from mail-qk0-f196.google.com ([209.85.220.196]:42349 "EHLO mail-qk0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934052AbeGCPPZ (ORCPT ); Tue, 3 Jul 2018 11:15:25 -0400 Received: by mail-qk0-f196.google.com with SMTP id u62-v6so1172352qkf.9 for ; Tue, 03 Jul 2018 08:15:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=rK+g+n++4fj1IWgn3YY+eDm5aFRppdp3RZ5KsDgMXmQ=; b=pq/OeWdht0SZnVaQKzKb89+YHeqPE9j7aHlU02mM8IfiZebQpZrMdXwKLin4NdRfGs vbFr3JVcyhKLV89cwv9xCmnmmKCY7m4P5Vmz27UUtlX0KdbDSzhNuZkgBvdQaH2TgJ5Z sF43uzxEHLALG0ch7WCB0OrHrHjYiKgBXm+1osCnlXD5HvUjwi9C/63EMJK0NRI/jwrT 3DwzeeW6L5941lAohydgXiLU8rp8KcmkDDNQ2jqX2XZK60zrFpcfVmZo6q0TzViIqkU1 5HpQ9+i3q4PbtNkcs4LXR8kbbIuB7ZKVZeNFiz/FKAhkiQCVcGjjYsmxhPIw1XAcs2xC bG9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=rK+g+n++4fj1IWgn3YY+eDm5aFRppdp3RZ5KsDgMXmQ=; b=fEcOkaDxOTP4TUtseKBPLYmeoa5GZbSv3YHL5vNLAiAo7yOQoiMlhL1+GyT+lSu50L h5K9BxiwDnmId7XwKem7A9GmN2+Y1+nVlfpZijhGcvRW8ghBxtLvoxSxNbWacu9iTDZh 9Btk9zRfJguMTNbjuD2YQWBrJ2rJVLVtPLhU1IAtb2F2H9UgQrb6GXp/wSd40mYMlfZj MEfTKf28FAdwi2H6pWSkUrvqdJoxS5OrVtUoINGzaPMlDH8VO6+Tb621lQpTf6jZ0ln6 2b2VJDCU+p1oZuIEWmj9gygTeq+a+L6bCwWXWUzTXLWLjq3LP/rAGZW3UvBGEdnqYuqu iZpw== X-Gm-Message-State: APt69E219x2NrMudR4TpUsBMhMOm1kCDxqca4IhwSMhiMM/DaW0cIxGW a5QAKaTaOtEp3wjRgUXBNg83Rg== X-Google-Smtp-Source: AAOMgpdlvnU+a4my6xXGhhITtuQAQH/QXzLDJFIBWmXQTrYy7hF8BCTD998ibeiLcYZx/pPRvgde9A== X-Received: by 2002:a37:9605:: with SMTP id y5-v6mr25232445qkd.236.1530630924302; Tue, 03 Jul 2018 08:15:24 -0700 (PDT) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id e63-v6sm905225qkj.62.2018.07.03.08.15.23 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 03 Jul 2018 08:15:23 -0700 (PDT) From: Josef Bacik To: axboe@kernel.dk, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, hannes@cmpxchg.org, tj@kernel.org, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, kernel-team@fb.com Cc: Josef Bacik Subject: [PATCH 11/14] rq-qos: introduce dio_bio callback Date: Tue, 3 Jul 2018 11:15:00 -0400 Message-Id: <20180703151503.2549-12-josef@toxicpanda.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180703151503.2549-1-josef@toxicpanda.com> References: <20180703151503.2549-1-josef@toxicpanda.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Josef Bacik wbt cares only about request completion time, but controllers may need information that is on the bio itself, so add a done_bio callback for rq-qos so things like blk-iolatency can use it to have the bio when it completes. Signed-off-by: Josef Bacik --- block/bio.c | 4 ++++ block/blk-rq-qos.c | 10 ++++++++++ block/blk-rq-qos.h | 2 ++ 3 files changed, 16 insertions(+) diff --git a/block/bio.c b/block/bio.c index e09f3626ab5b..5df998515adc 100644 --- a/block/bio.c +++ b/block/bio.c @@ -32,6 +32,7 @@ #include #include "blk.h" +#include "blk-rq-qos.h" /* * Test patch to inline a certain number of bi_io_vec's inside the bio @@ -1808,6 +1809,9 @@ void bio_endio(struct bio *bio) if (!bio_integrity_endio(bio)) return; + if (bio->bi_disk) + rq_qos_done_bio(bio->bi_disk->queue, bio); + /* * Need to have a real endio function for chained bios, otherwise * various corner cases will break (like stacking block devices that diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c index b7b02e04f64f..5134b24482f6 100644 --- a/block/blk-rq-qos.c +++ b/block/blk-rq-qos.c @@ -88,6 +88,16 @@ void rq_qos_track(struct request_queue *q, struct request *rq, struct bio *bio) } } +void rq_qos_done_bio(struct request_queue *q, struct bio *bio) +{ + struct rq_qos *rqos; + + for(rqos = q->rq_qos; rqos; rqos = rqos->next) { + if (rqos->ops->done_bio) + rqos->ops->done_bio(rqos, bio); + } +} + /* * Return true, if we can't increase the depth further by scaling */ diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h index a6d13b8ce0dc..d5e2f68fe41e 100644 --- a/block/blk-rq-qos.h +++ b/block/blk-rq-qos.h @@ -30,6 +30,7 @@ struct rq_qos_ops { void (*issue)(struct rq_qos *, struct request *); void (*requeue)(struct rq_qos *, struct request *); void (*done)(struct rq_qos *, struct request *); + void (*done_bio)(struct rq_qos *, struct bio *); void (*cleanup)(struct rq_qos *, struct bio *); void (*exit)(struct rq_qos *); }; @@ -101,6 +102,7 @@ void rq_qos_cleanup(struct request_queue *, struct bio *); void rq_qos_done(struct request_queue *, struct request *); void rq_qos_issue(struct request_queue *, struct request *); void rq_qos_requeue(struct request_queue *, struct request *); +void rq_qos_done_bio(struct request_queue *q, struct bio *bio); void rq_qos_throttle(struct request_queue *, struct bio *, spinlock_t *); void rq_qos_track(struct request_queue *q, struct request *, struct bio *); void rq_qos_exit(struct request_queue *); -- 2.14.3