From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 853C32561D7 for <io-uring@vger.kernel.org>; Tue, 25 Mar 2025 13:52:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742910741; cv=none; b=JgWiHd9O8mOtecBXreZrtevBXnOnv7XyQvKQiC9D25a3lBzvGTK6zBGBYLfLFCB+uIxK55hXKi1lZh2Jzkfut7I4002ybQL2ZOahgd809sykhgymNAX+EvMI+tqYZApmNBOUhSwbfscBW48yEU5OFWDLFb0nNUSL1b2a8pUoXmw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742910741; c=relaxed/simple; bh=61mNQ1lT+iQsj57B8hAIu9hIsEvNTo1qqtTb7RMCVcs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=M9P0eQTeTRnIFulpgZNtxtb3nXDtZfksero1pkNonnc42g65JTC4XMDeCY7ZCQ1pIaQCql5CUSFB1cc6EkhCXgYBKUJFPGHzudiczIAqi2TKt+ADR7By/M1rFCafjQ1S+hImJmL3pVNfgii2M0tQIqQuBeGNqiGUsZ8IhuJ8/3o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=hOmvz9Ka; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="hOmvz9Ka" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1742910736; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=m+95qTSC+81h5LWhnZqF9la2IYPlgFOsnjR9zq22Vsc=; b=hOmvz9KaoZ4hWkBD4oQYFxoQw8aEENHEKfAro7EKVezNdyoKSYXdrfdE2B8ddbOHMLChG7 n7cOomoUsOPf0bfeLdgrtDMDTvkfK6/7pzMUXxwd9aKpQ/H59zP5sL93+R0aT3//VSjqtv b1GJaH/i/AWJSiw33RmjEi4C8Heirko= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-7-hCcCtU2_MW2081lImrpX2w-1; Tue, 25 Mar 2025 09:52:11 -0400 X-MC-Unique: hCcCtU2_MW2081lImrpX2w-1 X-Mimecast-MFC-AGG-ID: hCcCtU2_MW2081lImrpX2w_1742910730 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 84229180AB16; Tue, 25 Mar 2025 13:52:10 +0000 (UTC) Received: from localhost (unknown [10.72.120.3]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id CF68A1801751; Tue, 25 Mar 2025 13:52:07 +0000 (UTC) From: Ming Lei <ming.lei@redhat.com> To: Jens Axboe <axboe@kernel.dk>, io-uring@vger.kernel.org, Pavel Begunkov <asml.silence@gmail.com> Cc: Caleb Sander Mateos <csander@purestorage.com>, Ming Lei <ming.lei@redhat.com> Subject: [PATCH 0/4] io_uring: support vectored fixed kernel buffer Date: Tue, 25 Mar 2025 21:51:49 +0800 Message-ID: <20250325135155.935398-1-ming.lei@redhat.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: <io-uring.vger.kernel.org> List-Subscribe: <mailto:io-uring+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:io-uring+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Hello Jens, This patchset supports vectored fixed buffer for kernel bvec buffer, and use it on for ublk/stripe. Please review. Thanks, Ming Ming Lei (4): io_uring: add validate_fixed_range() for validate fixed buffer block: add for_each_mp_bvec() io_uring: support vectored kernel fixed buffer selftests: ublk: enable zero copy for stripe target include/linux/bvec.h | 6 ++ io_uring/rsrc.c | 125 +++++++++++++++++++++++--- tools/testing/selftests/ublk/Makefile | 1 + tools/testing/selftests/ublk/stripe.c | 69 ++++++++++---- 4 files changed, 170 insertions(+), 31 deletions(-) -- 2.47.0