From patchwork Fri Dec 6 01:52:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 13896234 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 B6538282FB for ; Fri, 6 Dec 2024 01:53:26 +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=1733450008; cv=none; b=FBLHBuNZNL9iS2AcJndAK6gz7KeG57g0Ix+fHRLxuaA05FrSvsegskXQTjs5sLV8CDPtNmTHhNDTaKgIRMTDHwCItiFOEJYdjYrQ3ZYGFvl+7hT8m44gp3jY+YvQxCL9DETCpDFm6lXaAFrBTJnqZNT+I6lIuxUGPAqM5d49FZo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733450008; c=relaxed/simple; bh=eOuO4i4yPLsc2Im8KihmSljRQ8rTc0TOPgnR2AUqOdU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=vDQkFp+qGgf1KFv/y90SJz/DCwrfiqLmL0xG6h+u4789+B7P3/EqOgoRM20kwg2S1qoagLq0Tp18hQixT0zgKUIXTvNdIF56LHvWwhmQpK9V5zVktZieQahvm4sGo97iniOSEAHfcvB/ZtDihTs14i8tbrc9Y1XbtBgYD65GlvY= 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=Col3DdPn; 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="Col3DdPn" 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 4B603K9C013801 for ; Thu, 5 Dec 2024 17:53:26 -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=qzN9V22hHNPCY40Lp/Ysqsn5kxkAoYivYUU6jILwvog=; b=Col3DdPn1sBb UqgHsnitvyXO3BGkHudQfzF4pfElsNHcdLrxtn6ywSy+EcMHbTXj+e4BbTMTDEye L3nM1cqqG7MNXiYbF8Ht0fa8/Vaxes9TWSFIhMCMQlb1gQ4vTYQg0x18e2kSmg+C RrhPKFIKooviP/kEWaOD5xBipM7b9LUy8xPb+d1fd9mOEH0wsThNWc2AU1/EJY7k x2Zylv5T3+IZNWf44G4RNHwLR72A4u+/ZgIxbnaJ4HFgV+5R39nGigGUhUC9fSC/ CWtp5h/Abe29e706d5qHBEb1L5cZp3mH+NwXYyclxYByigd9qCE/u2vY0nogEH9g LCCNqHXJzg== Received: from mail.thefacebook.com ([163.114.134.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 43bnx9rpvh-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 05 Dec 2024 17:53:25 -0800 (PST) Received: from twshared11082.06.ash8.facebook.com (2620:10d:c085:108::4) 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 CBF2215B21149; Thu, 5 Dec 2024 17:53:08 -0800 (PST) From: Keith Busch To: , , , , , CC: , , Keith Busch Subject: [PATCHv11 01/10] fs: add a write stream field to the kiocb Date: Thu, 5 Dec 2024 17:52:59 -0800 Message-ID: <20241206015308.3342386-2-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-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-ORIG-GUID: KkBNJG4vUeXHypa7ML3vvUd1C_71qjB8 X-Proofpoint-GUID: KkBNJG4vUeXHypa7ML3vvUd1C_71qjB8 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 Prepare for io_uring passthrough of write streams. The write stream field in the kiocb structure fits into an existing 2-byte hole, so its size is not changed. Signed-off-by: Christoph Hellwig Signed-off-by: Keith Busch --- include/linux/fs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index 2cc3d45da7b01..26940c451f319 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -373,6 +373,7 @@ struct kiocb { void *private; int ki_flags; u16 ki_ioprio; /* See linux/ioprio.h */ + u8 ki_write_stream; union { /* * Only used for async buffered reads, where it denotes the