From nobody Fri Oct 3 11:32:56 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1579806236; cv=none; d=zohomail.com; s=zohoarc; b=GUzrfK+csPRux5dFWPaULCSBbDmFE6SSEI0dOR6o7TzNcaDBBqHwuVjtH4O/mjySR75o4/rr+SMIuU/ToboHS6TwhNqU9gIECdBs9YpBafjKjPLouTtme7e9RwMsj4CGl86BHSbX3YUIT1OKG0ki7i5Gy8NJvboW1s7OjDR7h8U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1579806236; h=Content-Type:Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=YrSgQYkhcU4kRkGHIjoT5DICb+mHjWZQdwrkOwGUhaA=; b=lG3AoDl6O3B069LQeNMOuLPJPVlpcVaWtey6MNkY5ehmT3sGKx1bz+UtOIW0qh7KkxCe1l8jql0qZOQbmWO/6eeWu/ORwRwes31rlr8XoI2BTzPKzXpPvTn6Sh3D0wizWAXnL6JiBYkXd6xIC6lAUaq2wgv0IIkWKg1L8omrRXs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1579806236528757.9926534038391; Thu, 23 Jan 2020 11:03:56 -0800 (PST) Received: from localhost ([::1]:35264 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iuhli-0005uM-Kq for importer@patchew.org; Thu, 23 Jan 2020 14:03:54 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42700) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iuff6-0006JL-7g for qemu-devel@nongnu.org; Thu, 23 Jan 2020 11:48:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iuff5-0000JR-0W for qemu-devel@nongnu.org; Thu, 23 Jan 2020 11:48:56 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:53269 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iuff4-0000Im-Td for qemu-devel@nongnu.org; Thu, 23 Jan 2020 11:48:54 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-234-sYoalHJHMOagqzTsJ2y7WA-1; Thu, 23 Jan 2020 11:48:52 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 26A791005510 for ; Thu, 23 Jan 2020 16:48:52 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-116-110.ams2.redhat.com [10.36.116.110]) by smtp.corp.redhat.com (Postfix) with ESMTP id 727C228993; Thu, 23 Jan 2020 16:48:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579798134; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YrSgQYkhcU4kRkGHIjoT5DICb+mHjWZQdwrkOwGUhaA=; b=h7ewzVIkONfAKCa8cgbbuZ8aVX2QzLvFVCZXXmGECEreUbOruYLBPR9+Q8ryZL6evjq/3g xQDbmNvDNokNpUICBhiR2iKTBDz1UflNOqpbj/eZQRkPFT4JeFD8Wg8dkqHtGTg8JU9qqJ MxDszBqTkPV+i1AFyUkT7a28vdYO60w= From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, stefanha@redhat.com Subject: [PULL 104/108] virtiofsd: add --thread-pool-size=NUM option Date: Thu, 23 Jan 2020 16:46:26 +0000 Message-Id: <20200123164630.91498-105-dgilbert@redhat.com> In-Reply-To: <20200123164630.91498-1-dgilbert@redhat.com> References: <20200123164630.91498-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: sYoalHJHMOagqzTsJ2y7WA-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: Stefan Hajnoczi Add an option to control the size of the thread pool. Requests are now processed in parallel by default. Signed-off-by: Stefan Hajnoczi Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Dr. David Alan Gilbert --- tools/virtiofsd/fuse_i.h | 1 + tools/virtiofsd/fuse_lowlevel.c | 7 ++++++- tools/virtiofsd/fuse_virtio.c | 5 +++-- 3 files changed, 10 insertions(+), 3 deletions(-) diff --git a/tools/virtiofsd/fuse_i.h b/tools/virtiofsd/fuse_i.h index 1447d86866..4e47e5880d 100644 --- a/tools/virtiofsd/fuse_i.h +++ b/tools/virtiofsd/fuse_i.h @@ -72,6 +72,7 @@ struct fuse_session { int vu_listen_fd; int vu_socketfd; struct fv_VuDev *virtio_dev; + int thread_pool_size; }; =20 struct fuse_chan { diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowleve= l.c index 79a4031266..de2e2e0c65 100644 --- a/tools/virtiofsd/fuse_lowlevel.c +++ b/tools/virtiofsd/fuse_lowlevel.c @@ -28,6 +28,7 @@ #include #include =20 +#define THREAD_POOL_SIZE 64 =20 #define OFFSET_MAX 0x7fffffffffffffffLL =20 @@ -2519,6 +2520,7 @@ static const struct fuse_opt fuse_ll_opts[] =3D { LL_OPTION("allow_root", deny_others, 1), LL_OPTION("--socket-path=3D%s", vu_socket_path, 0), LL_OPTION("--fd=3D%d", vu_listen_fd, 0), + LL_OPTION("--thread-pool-size=3D%d", thread_pool_size, 0), FUSE_OPT_END }; =20 @@ -2537,7 +2539,9 @@ void fuse_lowlevel_help(void) printf( " -o allow_root allow access by root\n" " --socket-path=3DPATH path for the vhost-user socket\n" - " --fd=3DFDNUM fd number of vhost-user socket\n= "); + " --fd=3DFDNUM fd number of vhost-user socket\n" + " --thread-pool-size=3DNUM thread pool size limit (default = %d)\n", + THREAD_POOL_SIZE); } =20 void fuse_session_destroy(struct fuse_session *se) @@ -2591,6 +2595,7 @@ struct fuse_session *fuse_session_new(struct fuse_arg= s *args, } se->fd =3D -1; se->vu_listen_fd =3D -1; + se->thread_pool_size =3D THREAD_POOL_SIZE; se->conn.max_write =3D UINT_MAX; se->conn.max_readahead =3D UINT_MAX; =20 diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c index 0dcf2ef57a..9f6582343c 100644 --- a/tools/virtiofsd/fuse_virtio.c +++ b/tools/virtiofsd/fuse_virtio.c @@ -572,10 +572,11 @@ static void *fv_queue_thread(void *opaque) struct fv_QueueInfo *qi =3D opaque; struct VuDev *dev =3D &qi->virtio_dev->dev; struct VuVirtq *q =3D vu_get_queue(dev, qi->qidx); + struct fuse_session *se =3D qi->virtio_dev->se; GThreadPool *pool; =20 - pool =3D g_thread_pool_new(fv_queue_worker, qi, 1 /* TODO max_threads = */, - TRUE, NULL); + pool =3D g_thread_pool_new(fv_queue_worker, qi, se->thread_pool_size, = TRUE, + NULL); if (!pool) { fuse_log(FUSE_LOG_ERR, "%s: g_thread_pool_new failed\n", __func__); return NULL; --=20 2.24.1