From owner-svn-src-stable-10@FreeBSD.ORG Fri Dec 5 07:25:03 2014 Return-Path: Delivered-To: svn-src-stable-10@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D01FFB66; Fri, 5 Dec 2014 07:25:03 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A2E7FDB1; Fri, 5 Dec 2014 07:25:03 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id sB57P3ka037870; Fri, 5 Dec 2014 07:25:03 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id sB57P33k037867; Fri, 5 Dec 2014 07:25:03 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201412050725.sB57P33k037867@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Fri, 5 Dec 2014 07:25:03 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r275495 - stable/10/sys/cam/ctl X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-10@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: SVN commit messages for only the 10-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Dec 2014 07:25:03 -0000 Author: mav Date: Fri Dec 5 07:25:02 2014 New Revision: 275495 URL: https://svnweb.freebsd.org/changeset/base/275495 Log: MFC r274805: Make cfiscsi_offline() synchronous, waiting for connections termination before return. This should make ctld restart more clean and predictable. Modified: stable/10/sys/cam/ctl/ctl_frontend_iscsi.c stable/10/sys/cam/ctl/ctl_frontend_iscsi.h Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/cam/ctl/ctl_frontend_iscsi.c ============================================================================== --- stable/10/sys/cam/ctl/ctl_frontend_iscsi.c Fri Dec 5 07:24:17 2014 (r275494) +++ stable/10/sys/cam/ctl/ctl_frontend_iscsi.c Fri Dec 5 07:25:02 2014 (r275495) @@ -1282,6 +1282,7 @@ cfiscsi_session_delete(struct cfiscsi_se mtx_lock(&softc->lock); TAILQ_REMOVE(&softc->sessions, cs, cs_next); + cv_signal(&softc->sessions_cv); mtx_unlock(&softc->lock); free(cs, M_CFISCSI); @@ -1298,6 +1299,7 @@ cfiscsi_init(void) bzero(softc, sizeof(*softc)); mtx_init(&softc->lock, "cfiscsi", NULL, MTX_DEF); + cv_init(&softc->sessions_cv, "cfiscsi_sessions"); #ifdef ICL_KERNEL_PROXY cv_init(&softc->accept_cv, "cfiscsi_accept"); #endif @@ -1382,6 +1384,14 @@ cfiscsi_offline(void *arg) if (cs->cs_target == ct) cfiscsi_session_terminate(cs); } + do { + TAILQ_FOREACH(cs, &softc->sessions, cs_next) { + if (cs->cs_target == ct) + break; + } + if (cs != NULL) + cv_wait(&softc->sessions_cv, &softc->lock); + } while (cs != NULL && ct->ct_online == 0); mtx_unlock(&softc->lock); if (online > 0) return; Modified: stable/10/sys/cam/ctl/ctl_frontend_iscsi.h ============================================================================== --- stable/10/sys/cam/ctl/ctl_frontend_iscsi.h Fri Dec 5 07:24:17 2014 (r275494) +++ stable/10/sys/cam/ctl/ctl_frontend_iscsi.h Fri Dec 5 07:25:02 2014 (r275495) @@ -115,6 +115,7 @@ struct cfiscsi_softc { unsigned int last_session_id; TAILQ_HEAD(, cfiscsi_target) targets; TAILQ_HEAD(, cfiscsi_session) sessions; + struct cv sessions_cv; #ifdef ICL_KERNEL_PROXY struct icl_listen *listener; struct cv accept_cv;