From nobody Fri Feb 11 01:10:40 2022 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id AA22B19A617A; Fri, 11 Feb 2022 01:10:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JvwXd3t9tz57mQ; Fri, 11 Feb 2022 01:10:41 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1644541841; 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; bh=9FvH3y5MQqMM+lIbZggHevcz69USKTeKNQvac4eMH6o=; b=Pntfyfq561r951XLZT8GuyS1MYXYwZ6/hevGBlJMS5+S6MpKQkig2KsZKAlsYqNXFeQZAu ZE+bvMibIj8sS4+0TQm3W+3iiSxNZax8x6x4n9uX2YIokRZTQCd05/wUrB6FYjNO2xnCQ0 vv8VGl4SGivyxhxhZsV/5Aw849kJwD1fWQt2qdubq5+4/IGnOwbCkJ+dE5mgHoN42cLZns ZA5pE8+b35FYlo236tXemG7x7Mfl7ujA3xdVD0adHwznJXtVgPF2wgv5Yn2IFAdVFgqL/5 FyuEdIe+ieQf0WCT++KzjTniiMsEnWFF8cG0vTx+4WxoHnNGqVMzUW6dC1HrCA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2F9FA2D44; Fri, 11 Feb 2022 01:10:40 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 21B1Ae1B073567; Fri, 11 Feb 2022 01:10:40 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 21B1AeZR073566; Fri, 11 Feb 2022 01:10:40 GMT (envelope-from git) Date: Fri, 11 Feb 2022 01:10:40 GMT Message-Id: <202202110110.21B1AeZR073566@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Alexander Motin Subject: git: 565ad82c4531 - stable/13 - glabel: Set G_CF_DIRECT_SEND/RECEIVE for taste consumer. List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mav X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 565ad82c453170009a58431399301dec44b56ad7 Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1644541841; 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; bh=9FvH3y5MQqMM+lIbZggHevcz69USKTeKNQvac4eMH6o=; b=iTI1TFASdENF4rcswzWlz+iH6z9L3qOrs5KwZ3wBagRG9igJ1FH5D4PGLCYDJTeh5zaLLv LYisHhEie6ahKkfoHKIcamJOWHM5nY32mn8mYHhReQI/2IpSb6Qj7VB+vDvObBria3uWDO gvZ9ad08EAK8i8DB4J4W816UFfYdTuFmxHklHbsG1IxM6EtFKOezK/jBD2DDCtRIiLi+HM 9+IfsnyoLDjiYgm3PtO8IyHP42LSjY08Z9CuCxRfD4KQJS1otK8/0aLlanqyLMdb+zwBoI sI2a8JAMmY3kR/K5xcFX4Dnewc6T1EmBOZwraR8z15hZjfXVaEVK4Ph+yPPz6Q== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1644541841; a=rsa-sha256; cv=none; b=HswqgzFPEPZXH7BMfHXHSPk69knVTzAubdO3sYi0WtUBgHjVAtZRbr1PMWEqebXrc+OYoS Dm4EFq/rx3iCKK8Ko0AiGPR+CfHzudpegF2X3rTKTCaN2oPjkpIkTBajDZBaO+Bum+wQ11 JxoqdmzkFGc//I8P/ceL6YUAMDFX+DoB9naybc5pLlFtGeo6KiH4IAma/vsh2Cp1alCeyK +tMU0+xt9scKbcu64ARz7zwtLzeBAMno0sOaG99WyRF5zE376YFIyvdQ577Y3W2SEx/3Vq 5Gqez554xvZySAvz+XkTNYJCl8JGD47GqVTfBal5zUeFp92c8qlssVQV3QO+tw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by mav: URL: https://cgit.FreeBSD.org/src/commit/?id=565ad82c453170009a58431399301dec44b56ad7 commit 565ad82c453170009a58431399301dec44b56ad7 Author: Alexander Motin AuthorDate: 2022-01-28 19:22:41 +0000 Commit: Alexander Motin CommitDate: 2022-02-11 00:50:46 +0000 glabel: Set G_CF_DIRECT_SEND/RECEIVE for taste consumer. All I/O requests through the taste consumer are synchronous, done with g_read_data() and without any locks held. It makes no sense to delegate the I/O to g_down/g_up threads. This removes many of context switches during disk retaste. MFC after: 2 weeks (cherry picked from commit 29998bf2ac4cc3ac49827336655bdbcb755eeffc) --- sys/geom/label/g_label.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/geom/label/g_label.c b/sys/geom/label/g_label.c index 1df7e799b014..2244931cd19b 100644 --- a/sys/geom/label/g_label.c +++ b/sys/geom/label/g_label.c @@ -402,6 +402,7 @@ g_label_taste(struct g_class *mp, struct g_provider *pp, int flags __unused) gp->access = g_label_access_taste; gp->orphan = g_label_orphan_taste; cp = g_new_consumer(gp); + cp->flags |= G_CF_DIRECT_SEND | G_CF_DIRECT_RECEIVE; if (g_attach(cp, pp) != 0) goto end2; if (g_access(cp, 1, 0, 0) != 0)