From patchwork Fri Dec 6 01:53:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 13896262 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 070DD1EB2F for ; Fri, 6 Dec 2024 01:53:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.145.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733450010; cv=none; b=FFpgol1MNB/M0F4EXTYSyC8s343c7UuGxmNuxoJNokXrfQcoddPPeF33EQ11QLIGfCkpkKwqtSFNo9seuYYnXbE6Jflh1iePJpZsZg0ZZ+xmehooXJhfmCG42hvr3NVovzIRRMoqrWXghoXkTZLt5JTkarY+uonm972Gdt+n83E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733450010; c=relaxed/simple; bh=5JWKIlok/LlWB3ujWNzJ8mifN5u1BcG97Q8pMGFe0PM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=M2gSeDqDUlvjvUiYo3Xm0FQW6j/OmQY2/k01YCpmH6ZbKeY55F7OZDvoQTOYzMrz82kicgryid09RuA+hkhibf8Y52VhaUWY6QUFdvmCL/W2//XNDxk2eyn1MWWAN8IiFZTMg2/GkDVMzQZ/dN7GeIFdCHqlwpLF9w2zL6NB7mQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com; spf=pass smtp.mailfrom=meta.com; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b=is3SY7wB; arc=none smtp.client-ip=67.231.145.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=meta.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b="is3SY7wB" 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 4B603K9I013801 for ; Thu, 5 Dec 2024 17:53:28 -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=IaesBJajvy2XJvCSejkRh5S+DvrgGK6zlymIWSzBoyc=; b=is3SY7wB49cy EB3OemMXg+FNcvfC0dgf5GMZTFf6pnI99KR76zYftHDeQ7bGB3NqAP4UY71yz0dG S9zrdssa03GK8kQ2590zIsilbxmzWL2sKBJAbbBvCASlQmyxmwsMdxjzDnuFKL7Z MuZMI9nvgtOQOkJ+B0GJ9Dp8Fg+Pr1btASr8L1inX3muUIiFpvImqNpo5a3mAeUC XMXE3U93+E5VkvhZ66GUFov4hYAJpIYQFmDshZ5em28MTf/udZR+Atkh84s6c7nS KjWdwOrRCdpgxpA0jH9Hu0NhVvKn3C4GKluIPk7A5bLEcekI/lZpnaiBYlM44uRx 3gZn68x22Q== Received: from mail.thefacebook.com ([163.114.134.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 43bnx9rpvh-10 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 05 Dec 2024 17:53:28 -0800 (PST) Received: from twshared11082.06.ash8.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; Fri, 6 Dec 2024 01:53:23 +0000 Received: by devbig638.nha1.facebook.com (Postfix, from userid 544533) id 1ADCA15B21151; Thu, 5 Dec 2024 17:53:09 -0800 (PST) From: Keith Busch To: , , , , , CC: , , Keith Busch Subject: [PATCHv11 04/10] block: add a bi_write_stream field Date: Thu, 5 Dec 2024 17:53:02 -0800 Message-ID: <20241206015308.3342386-5-kbusch@meta.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20241206015308.3342386-1-kbusch@meta.com> References: <20241206015308.3342386-1-kbusch@meta.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-ORIG-GUID: 6cAP1-qCTGoAMm1m5kQB7fXZyRPqhxun X-Proofpoint-GUID: 6cAP1-qCTGoAMm1m5kQB7fXZyRPqhxun 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 From: Christoph Hellwig Add the ability to pass a write stream for placement control in the bio. 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 *bdev, struct bio_vec *table, bio->bi_flags = 0; bio->bi_ioprio = 0; bio->bi_write_hint = 0; + bio->bi_write_stream = 0; bio->bi_status = 0; bio->bi_iter.bi_sector = 0; bio->bi_iter.bi_size = 0; @@ -827,6 +828,7 @@ static int __bio_clone(struct bio *bio, struct bio *bio_src, gfp_t gfp) bio_set_flag(bio, BIO_CLONED); bio->bi_ioprio = bio_src->bi_ioprio; bio->bi_write_hint = bio_src->bi_write_hint; + bio->bi_write_stream = bio_src->bi_write_stream; bio->bi_iter = bio_src->bi_iter; 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(struct bio *bio_src) bio_set_flag(bio, BIO_REMAPPED); bio->bi_ioprio = bio_src->bi_ioprio; bio->bi_write_hint = bio_src->bi_write_hint; + bio->bi_write_stream = bio_src->bi_write_stream; bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector; bio->bi_iter.bi_size = bio_src->bi_iter.bi_size; 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_queue *q, if (req->bio->bi_write_hint != next->bio->bi_write_hint) return NULL; + if (req->bio->bi_write_stream != next->bio->bi_write_stream) + return NULL; if (req->bio->bi_ioprio != 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 != bio->bi_write_hint) return false; + if (rq->bio->bi_write_stream != bio->bi_write_stream) + return false; if (rq->bio->bi_ioprio != bio->bi_ioprio) return false; if (blk_atomic_write_mergeable_rq_bio(rq, bio) == 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_src) bio_set_flag(bio, BIO_REMAPPED); bio->bi_ioprio = bio_src->bi_ioprio; bio->bi_write_hint = bio_src->bi_write_hint; + bio->bi_write_stream = bio_src->bi_write_stream; bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector; bio->bi_iter.bi_size = bio_src->bi_iter.bi_size; 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;