From owner-dev-commits-src-all@freebsd.org Sat May 1 00:39:17 2021 Return-Path: Delivered-To: dev-commits-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 39BB162EA53; Sat, 1 May 2021 00:39:17 +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 4FX9NN5kLmz3q5w; Sat, 1 May 2021 00:39:16 +0000 (UTC) (envelope-from git@FreeBSD.org) 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 3D3975D47; Sat, 1 May 2021 00:39:16 +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 1410dGl5048344; Sat, 1 May 2021 00:39:16 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1410dGct048343; Sat, 1 May 2021 00:39:16 GMT (envelope-from git) Date: Sat, 1 May 2021 00:39:16 GMT Message-Id: <202105010039.1410dGct048343@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: db38075bd956 - stable/12 - b_vflags update requries bufobj lock MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/12 X-Git-Reftype: branch X-Git-Commit: db38075bd9560aeb8cb7d9f30ba39d737e4abc7d Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 May 2021 00:39:17 -0000 The branch stable/12 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=db38075bd9560aeb8cb7d9f30ba39d737e4abc7d commit db38075bd9560aeb8cb7d9f30ba39d737e4abc7d Author: Konstantin Belousov AuthorDate: 2021-04-13 10:22:56 +0000 Commit: Konstantin Belousov CommitDate: 2021-05-01 00:38:30 +0000 b_vflags update requries bufobj lock (cherry picked from commit e3d675958539eee899d42438f5b46a26f3c64902) --- sys/ufs/ffs/ffs_softdep.c | 2 ++ sys/ufs/ffs/ffs_vnops.c | 4 +++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/sys/ufs/ffs/ffs_softdep.c b/sys/ufs/ffs/ffs_softdep.c index 895410cef152..bc83b92ee384 100644 --- a/sys/ufs/ffs/ffs_softdep.c +++ b/sys/ufs/ffs/ffs_softdep.c @@ -7179,7 +7179,9 @@ cleanrestart: BO_LOCK(bo); goto cleanrestart; } + BO_LOCK(bo); bp->b_vflags |= BV_SCANNED; + BO_UNLOCK(bo); bremfree(bp); if (blkoff != 0) { allocbuf(bp, blkoff); diff --git a/sys/ufs/ffs/ffs_vnops.c b/sys/ufs/ffs/ffs_vnops.c index 17dfb1ff3883..9dae437f9a76 100644 --- a/sys/ufs/ffs/ffs_vnops.c +++ b/sys/ufs/ffs/ffs_vnops.c @@ -287,8 +287,9 @@ loop: if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_SLEEPFAIL | LK_INTERLOCK, BO_LOCKPTR(bo)) != 0) { + BO_LOCK(bo); bp->b_vflags &= ~BV_SCANNED; - goto next; + goto next_locked; } } else continue; @@ -328,6 +329,7 @@ next: * to start from a known point. */ BO_LOCK(bo); +next_locked: nbp = TAILQ_FIRST(&bo->bo_dirty.bv_hd); } if (waitfor != MNT_WAIT) {