From nobody Fri Dec 19 17:16:19 2025 Received: from mail-io1-f41.google.com (mail-io1-f41.google.com [209.85.166.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5DC837FBB0 for ; Thu, 11 Apr 2024 15:33:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712849603; cv=none; b=tljDmrUAILrQqejWVsdzus2Aw2DqT+CEgbqc5b1yEEMFB8XKqy9TY5kpe03Io6yhjPXsZ3USJ5OKOlKYnzn1f5p34p9j5I4HYPeU8QtffhH8kbB7Qh/6OAngSQPcK6rnq92jVQ7euFzywJRloGGEl83Lq9hoSMgKXPKycxksdKM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712849603; c=relaxed/simple; bh=+zTtp6NA4SHbH8H0M6K4Xl+0VEVe9wGeFSItGDOWGd4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=H3nh2eQ39fVSSm3FmJ/nfAgZsboAU0slPghz070DX71+8L9x6KogotRLxlDo919tdwtYOXiq5WU0/ylA8a7jQEulMbX+ZIffK1ZlQmViA95bPPPvlZ/SzOg4Dpq1dkisdisRyI04O+FV5TmELBffhpF6n1MmKLjRVz4TBur28oM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=x/KTf3BV; arc=none smtp.client-ip=209.85.166.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="x/KTf3BV" Received: by mail-io1-f41.google.com with SMTP id ca18e2360f4ac-7d0772bb5ffso180620739f.0 for ; Thu, 11 Apr 2024 08:33:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1712849601; x=1713454401; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=kLAdAdRZHwZNysaGixn7u/LgA9hoPoumk3u1iKTi2oY=; b=x/KTf3BV4kZtTALifDWAQf1jFXMazdtDN0nQXnz3H83JmO4L4Bs765KMNSQ244yH7V GtcSXCxaCng/4yNFyCDuh6fJ+TMw5hXmMm+kvzo+FeuMkkK3u6nAKcbhMXto+mQDeEqA MG+gkSVsZKxTkYfqGw0IJd1CjHOlaIs1aaWvflym6/Lp6NdNqeQTCXefuKdo8S4gSo60 kAIu4SVFrd0+NBh4x0YKuTkRsRjDKjF0jYVnGgRCqB0yl9hZ/XCFCmaPdGRWmZ0dbYhd 18vOLaixbxamj83NPAFKtsV88WTRu1pDJVHATtd+QcVfdIaN/jRs/EwGBgx4tZ6V5tXF e74g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712849601; x=1713454401; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kLAdAdRZHwZNysaGixn7u/LgA9hoPoumk3u1iKTi2oY=; b=wo7CXeiURcWtUzIsMBTfKnwymoPyfXOuqk4FsH18MVT2gtwwXUfPcXjWM78+chlLVr zesMAlqM0n2PD2Ezymeref2PdLIqq+tgJdhyjtyplRjf3zkGi+1LsTEO2FZFpJklWYIR lyTRIj+hkNY8DBKrD2sIpsCFBnnz4bzqi1UO637muBGEy+FMlp5JqpXvizv1JI1EQaoJ zVh5Z0fQ03eYPWWIuIL7q01YfjXcov+nfZKP9DcdnKKE9ff7ATI7o+UCuWnls7z84zt8 YQMPjqpm7zZbWNsQT+igsM+KpGz50Ezz4WKAAwa+VgLPlnuVtp6Bh9Ahrne0NcP7v2mJ 1Iyw== X-Gm-Message-State: AOJu0YxkTVJI76Pe/0A2pfeSrUUY7o0XjwcNXKo83rF+oE2Fgyk+PyGX 5af4XyU51qt5P3LuxMvOej76XNnOrrOxAhWX278yTvYpuXpaMLVtIyG2iex1hpf4C70txIjBBsk u X-Google-Smtp-Source: AGHT+IHs94RIFqk2tSa/xfrq5oIslDpMAMLG4Anc/WEmvFzu5co0Srta4X7hANVQkWlsTC8X8l4jJw== X-Received: by 2002:a05:6602:4ed7:b0:7d5:ddc8:504d with SMTP id gk23-20020a0566024ed700b007d5ddc8504dmr181482iob.0.1712849601109; Thu, 11 Apr 2024 08:33:21 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.33.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:33:18 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 058/437] fs: add IOCB_VECTORED flags Date: Thu, 11 Apr 2024 09:13:18 -0600 Message-ID: <20240411153126.16201-59-axboe@kernel.dk> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240411153126.16201-1-axboe@kernel.dk> References: <20240411153126.16201-1-axboe@kernel.dk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This allows a user of ->read_iter() or ->write_iter() to tell if this request originally came as a readv/writev, or if it was a normal read/write operation. Signed-off-by: Jens Axboe --- fs/read_write.c | 1 + include/linux/fs.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/fs/read_write.c b/fs/read_write.c index 1d035293607b..efddd395d436 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -733,6 +733,7 @@ static ssize_t do_iter_readv_writev(struct file *filp, = struct iov_iter *iter, ret =3D kiocb_set_rw_flags(&kiocb, flags); if (ret) return ret; + kiocb.ki_flags |=3D IOCB_VECTORED; kiocb.ki_pos =3D (ppos ? *ppos : 0); =20 if (type =3D=3D READ) diff --git a/include/linux/fs.h b/include/linux/fs.h index 483c70d3941e..69e4dfac2853 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -346,6 +346,8 @@ struct readahead_control; #define IOCB_DIO_CALLER_COMP (1 << 22) /* kiocb is a read or write operation submitted by fs/aio.c. */ #define IOCB_AIO_RW (1 << 23) +/* came from readv/writev */ +#define IOCB_VECTORED (1 << 24) =20 /* for use in trace events */ #define TRACE_IOCB_STRINGS \ --=20 2.43.0