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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BBD65E7717D for ; Wed, 11 Dec 2024 19:08:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yixUJQ8ooJk0u2bR1ISmda8XJCYdYkQYBeTAq+JHgas=; b=MTf+read7sy5+0v54abM+ZgcUx XkI55ge999gk92MNI6lvBNrAYfutAtiWBPby/4Y7+A7ywLyr7cf6H4wAQsuJKU2xr6NxVVmyPuUHA +7jW4mkwBaTxmQwu90n/VCWavxVlhkiWFazGYGECfy5AQd7UkEqEuxfZIDsOYPSmSIFVEx48M9/8H Dop1BPY2E9nXcp/nFM/r+VelJgvisr01oOWBSHw6TiBryKoSHnDVb32T5reTlfPEb1bOEpu0daGXa g2i9nj2ZRcr1GCc/WthSERVR4Yhl5DuKMUHwUySqWLjtIT2p1dkKj54iJzIp4hGIxFtlOmHEIFZVO Vl5ScbFA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tLS4k-0000000FrI1-0O49; Wed, 11 Dec 2024 19:08:46 +0000 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tLS4h-0000000FrGw-1Sdw for linux-nvme@lists.infradead.org; Wed, 11 Dec 2024 19:08:45 +0000 Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4BBFIAIR019540 for ; Wed, 11 Dec 2024 11:08:42 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=meta.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=s2048-2021-q4; bh=yixUJQ8ooJk0u2bR1ISmda8XJCYdYkQYBeTAq+JHgas=; b=Hq0wfgp0nchc 1vRNsQDVnZqmOPU1JHyFU9xV2ynO1G8j+TG7ylD5XNczlg9tqzv/3snRD374k/C1 moAkfvTuO5c8PeITOXkw9DLx/DtU9CP92FtWHSFEmV/zcswHQoMZ5u3RjVFetrSg gnsAN5YlvXK/yyZrcchKBnat+WX4To2iTCRfzi7QEtIU0DdsTddycntx86zVl4nh y4IEDofSsXG4yP220qbMBaBvgD1vxE/ZXC5ej3NUCg4jeqZDkgqrRm3o2m5GooeW XUvBWVFmTsLjQy3Cg12jfnapQGwcWOaqYqq9tNbA1z3RC2t9553m4hXU26mARpjv Lf9l7a8TjA== Received: from mail.thefacebook.com ([163.114.134.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 43faw8axnc-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 11 Dec 2024 11:08:42 -0800 (PST) Received: from twshared9216.15.frc2.facebook.com (2620:10d:c085:108::150d) by mail.thefacebook.com (2620:10d:c08b:78::c78f) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1544.11; Wed, 11 Dec 2024 19:08:40 +0000 Received: by devbig638.nha1.facebook.com (Postfix, from userid 544533) id 3AEC215DE3952; Wed, 11 Dec 2024 10:35:15 -0800 (PST) From: Keith Busch To: , , , , , CC: , , , , Hannes Reinecke , Nitesh Shetty , Keith Busch Subject: [PATCHv14 02/11] block: add a bi_write_stream field Date: Wed, 11 Dec 2024 10:35:05 -0800 Message-ID: <20241211183514.64070-3-kbusch@meta.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20241211183514.64070-1-kbusch@meta.com> References: <20241211183514.64070-1-kbusch@meta.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: 4KJw0JWW85bN5CE79BTWSpbKYRj3rDwr X-Proofpoint-GUID: 4KJw0JWW85bN5CE79BTWSpbKYRj3rDwr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-05_03,2024-10-04_01,2024-09-30_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241211_110843_385153_4A94F014 X-CRM114-Status: GOOD ( 12.36 ) 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 From: Christoph Hellwig Add the ability to pass a write stream for placement control in the bio. Reviewed-by: Hannes Reinecke Reviewed-by: Nitesh Shetty Signed-off-by: Christoph Hellwig Signed-off-by: Keith Busch --- block/bio.c | 2 ++ block/blk-crypto-fallback.c | 1 + block/blk-merge.c | 4 ++++ block/bounce.c | 1 + include/linux/blk_types.h | 1 + 5 files changed, 9 insertions(+) diff --git a/block/bio.c b/block/bio.c index 699a78c85c756..2aa86edc7cd6f 100644 --- a/block/bio.c +++ b/block/bio.c @@ -251,6 +251,7 @@ void bio_init(struct bio *bio, struct block_device *b= dev, struct bio_vec *table, bio->bi_flags =3D 0; bio->bi_ioprio =3D 0; bio->bi_write_hint =3D 0; + bio->bi_write_stream =3D 0; bio->bi_status =3D 0; bio->bi_iter.bi_sector =3D 0; bio->bi_iter.bi_size =3D 0; @@ -827,6 +828,7 @@ static int __bio_clone(struct bio *bio, struct bio *b= io_src, gfp_t gfp) bio_set_flag(bio, BIO_CLONED); bio->bi_ioprio =3D bio_src->bi_ioprio; bio->bi_write_hint =3D bio_src->bi_write_hint; + bio->bi_write_stream =3D bio_src->bi_write_stream; bio->bi_iter =3D bio_src->bi_iter; =20 if (bio->bi_bdev) { diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c index 29a205482617c..66762243a886b 100644 --- a/block/blk-crypto-fallback.c +++ b/block/blk-crypto-fallback.c @@ -173,6 +173,7 @@ static struct bio *blk_crypto_fallback_clone_bio(stru= ct bio *bio_src) bio_set_flag(bio, BIO_REMAPPED); bio->bi_ioprio =3D bio_src->bi_ioprio; bio->bi_write_hint =3D bio_src->bi_write_hint; + bio->bi_write_stream =3D bio_src->bi_write_stream; bio->bi_iter.bi_sector =3D bio_src->bi_iter.bi_sector; bio->bi_iter.bi_size =3D bio_src->bi_iter.bi_size; =20 diff --git a/block/blk-merge.c b/block/blk-merge.c index e01383c6e534b..1e5327fb6c45b 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -866,6 +866,8 @@ static struct request *attempt_merge(struct request_q= ueue *q, =20 if (req->bio->bi_write_hint !=3D next->bio->bi_write_hint) return NULL; + if (req->bio->bi_write_stream !=3D next->bio->bi_write_stream) + return NULL; if (req->bio->bi_ioprio !=3D next->bio->bi_ioprio) return NULL; if (!blk_atomic_write_mergeable_rqs(req, next)) @@ -987,6 +989,8 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *= bio) return false; if (rq->bio->bi_write_hint !=3D bio->bi_write_hint) return false; + if (rq->bio->bi_write_stream !=3D bio->bi_write_stream) + return false; if (rq->bio->bi_ioprio !=3D bio->bi_ioprio) return false; if (blk_atomic_write_mergeable_rq_bio(rq, bio) =3D=3D false) diff --git a/block/bounce.c b/block/bounce.c index 0d898cd5ec497..fb8f60f114d7d 100644 --- a/block/bounce.c +++ b/block/bounce.c @@ -170,6 +170,7 @@ static struct bio *bounce_clone_bio(struct bio *bio_s= rc) bio_set_flag(bio, BIO_REMAPPED); bio->bi_ioprio =3D bio_src->bi_ioprio; bio->bi_write_hint =3D bio_src->bi_write_hint; + bio->bi_write_stream =3D bio_src->bi_write_stream; bio->bi_iter.bi_sector =3D bio_src->bi_iter.bi_sector; bio->bi_iter.bi_size =3D bio_src->bi_iter.bi_size; =20 diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index dce7615c35e7e..4ca3449ce9c95 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -220,6 +220,7 @@ struct bio { unsigned short bi_flags; /* BIO_* below */ unsigned short bi_ioprio; enum rw_hint bi_write_hint; + u8 bi_write_stream; blk_status_t bi_status; atomic_t __bi_remaining; =20 --=20 2.43.5