From owner-svn-src-all@freebsd.org Sat Jul 20 20:47:09 2019 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 293E6C69FF; Sat, 20 Jul 2019 20:47:09 +0000 (UTC) (envelope-from dougm@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 88F008EF69; Sat, 20 Jul 2019 20:47:08 +0000 (UTC) (envelope-from dougm@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 5F16D1813A; Sat, 20 Jul 2019 20:47:08 +0000 (UTC) (envelope-from dougm@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x6KKl8GO005422; Sat, 20 Jul 2019 20:47:08 GMT (envelope-from dougm@FreeBSD.org) Received: (from dougm@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x6KKl8pJ005421; Sat, 20 Jul 2019 20:47:08 GMT (envelope-from dougm@FreeBSD.org) Message-Id: <201907202047.x6KKl8pJ005421@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: dougm set sender to dougm@FreeBSD.org using -f From: Doug Moore Date: Sat, 20 Jul 2019 20:47:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r350183 - head/sbin/swapon X-SVN-Group: head X-SVN-Commit-Author: dougm X-SVN-Commit-Paths: head/sbin/swapon X-SVN-Commit-Revision: 350183 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 88F008EF69 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.982,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Jul 2019 20:47:09 -0000 Author: dougm Date: Sat Jul 20 20:47:07 2019 New Revision: 350183 URL: https://svnweb.freebsd.org/changeset/base/350183 Log: In trimming on startup, invoke swapon before closing the fd used for trimming so that a geli device isn't detached before swapon is invoked. Submitted by: sigsys_gmail.com Discussed with: alc Approved by: markj (mentor) Differential Revision: https://reviews.freebsd.org/D21006 Modified: head/sbin/swapon/swapon.c Modified: head/sbin/swapon/swapon.c ============================================================================== --- head/sbin/swapon/swapon.c Sat Jul 20 18:25:41 2019 (r350182) +++ head/sbin/swapon/swapon.c Sat Jul 20 20:47:07 2019 (r350183) @@ -739,12 +739,12 @@ run_cmd(int *ofd, const char *cmdline, ...) return (WEXITSTATUS(status)); } -static void -swap_trim(const char *name) +static int +swapon_trim(const char *name) { struct stat sb; off_t ioarg[2], sz; - int fd; + int error, fd; fd = open(name, O_WRONLY); if (fd < 0) @@ -762,7 +762,16 @@ swap_trim(const char *name) ioarg[1] = sz; if (ioctl(fd, DIOCGDELETE, ioarg) != 0) warn("ioctl(DIOCGDELETE)"); + + /* + * swapon is invoked after trimming, so that the trimming doesn't happen + * after the device is in use for swapping, but before the fd is closed, + * for the benefit of geli, which could otherwise detach the device, + * before swapon, on close. + */ + error = swapon(name); close(fd); + return (error); } static const char * @@ -770,11 +779,9 @@ swap_on_off_sfile(const char *name, int doingall) { int error; - if (which_prog == SWAPON) { - if (Eflag) - swap_trim(name); - error = swapon(name); - } else /* SWAPOFF */ + if (which_prog == SWAPON) + error = Eflag ? swapon_trim(name) : swapon(name); + else /* SWAPOFF */ error = swapoff(name); if (error == -1) {