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 4D124C43142 for ; Mon, 25 Jun 2018 15:13:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 029AD25C36 for ; Mon, 25 Jun 2018 15:13:12 +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="eEJJkiaT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 029AD25C36 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 S934898AbeFYPNL (ORCPT ); Mon, 25 Jun 2018 11:13:11 -0400 Received: from mail-qk0-f193.google.com ([209.85.220.193]:33001 "EHLO mail-qk0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934842AbeFYPND (ORCPT ); Mon, 25 Jun 2018 11:13:03 -0400 Received: by mail-qk0-f193.google.com with SMTP id c131-v6so7681902qkb.0 for ; Mon, 25 Jun 2018 08:13:02 -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=oqEXHFPy/UD/4NNoUiVbo/dXSAkuFuYpl2PiuLJXLwU=; b=eEJJkiaT832SNliN6La5QUQz7qH4SrfqAyYpXSRTwDuuVLenQu/LbO6S1OyFjVDMvW KL6qvs3Hezqdej0MHXNt8KSZaMupdIQ2VotI4eey4JgrrexnHR247a8aywl17PQuQBsJ 6b6px1TIvvr1+lbQnGWUORF8YYtQMQ6C+VyyXytnfHFUIMNfcGzUiU5cBmD+zYcqvmbs yNsfu/BNlQEOaHl4jE6VOWpnJ9RO7MEwzVw1uLiIN93ffbqR1+W13RcsHFSqQtNzcVTE yio/ONXRegyWr3xBZpHHd1JBPsro0akazFgqrv/4k4Mppo+HukeTwVGvhP33WVswIwHt KnlQ== 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=oqEXHFPy/UD/4NNoUiVbo/dXSAkuFuYpl2PiuLJXLwU=; b=rJ7Ic7u4EVT9qIlDtbBWBSgd9zVOn9stb3/Zn9GHHFL2VVRLzkI/bBIUoyAXWi4EzG BzbfcMCzQhmwoQ61Ca6OmoRzW/MW7zNngnUcE7FKY8INOL7U2QGQE6HondOSFa0KXDw6 TYQZNNocWJE6ND2vast47WWNVn+2UlOiENdxAUILtOY0i8Ts7++52Ht8R136PO7L+if+ K3pebr5bSLzYokPxJZP4USvuVONJ3dVQjQ6h7Lt9hx1ODV22rDRc1Ys0B7OZPFrOf0GE cngD576IcoCoYVWQC9y5JDQVZTqFKhGz+/wRiLjqJamyR/vtKwZYCjj5E4F3/HzPamoD +cIA== X-Gm-Message-State: APt69E3xNDTBHJP3XUb1KtosNnxKBksGjUvLvZGo41hT09EtKPAsYtC0 szNnRTqQJ/5lkWYKLGmG+rUWCA== X-Google-Smtp-Source: ADUXVKL9KkLW3C4cvewMqvnP2upqLaXXDc00tulNLwx5B6IPU4B5Y7g68OVBCZ7iWe9KwEkWhGSdcQ== X-Received: by 2002:a37:670c:: with SMTP id b12-v6mr10670332qkc.108.1529939582267; Mon, 25 Jun 2018 08:13:02 -0700 (PDT) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id 27-v6sm8085887qtz.74.2018.06.25.08.13.01 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 25 Jun 2018 08:13:01 -0700 (PDT) From: Josef Bacik To: axboe@kernel.dk, linux-block@vger.kernel.org, kernel-team@fb.com, akpm@linux-foundation.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, tj@kernel.org, linux-fsdevel@vger.kernel.org Cc: Josef Bacik Subject: [PATCH 11/15] rq-qos: introduce dio_bio callback Date: Mon, 25 Jun 2018 11:12:39 -0400 Message-Id: <20180625151243.2132-12-josef@toxicpanda.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180625151243.2132-1-josef@toxicpanda.com> References: <20180625151243.2132-1-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 c77fe1b4caa8..99809b73a400 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 @@ -1781,6 +1782,9 @@ void bio_endio(struct bio *bio) if (WARN_ONCE(bio->bi_next, "driver left bi_next not NULL")) bio->bi_next = NULL; + 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 501253676dd8..3874e6ad09f0 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 *); }; @@ -86,6 +87,7 @@ 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