From owner-dev-commits-src-all@freebsd.org Fri Mar 12 11:32:27 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 0B8E7575C10; Fri, 12 Mar 2021 11:32:27 +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 4DxkF60VGrz3Qtn; Fri, 12 Mar 2021 11:32:24 +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 7580816CBB; Fri, 12 Mar 2021 11:32:23 +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 12CBWNbu077430; Fri, 12 Mar 2021 11:32:23 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 12CBWN1X077429; Fri, 12 Mar 2021 11:32:23 GMT (envelope-from git) Date: Fri, 12 Mar 2021 11:32:23 GMT Message-Id: <202103121132.12CBWN1X077429@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Konstantin Belousov Subject: git: d7e5e374167f - main - softdep_unmount: handle spurious wakeups 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/main X-Git-Reftype: branch X-Git-Commit: d7e5e374167fe98e998b80691824750f44bb050d 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: Fri, 12 Mar 2021 11:32:27 -0000 The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=d7e5e374167fe98e998b80691824750f44bb050d commit d7e5e374167fe98e998b80691824750f44bb050d Author: Konstantin Belousov AuthorDate: 2021-02-28 22:46:21 +0000 Commit: Konstantin Belousov CommitDate: 2021-03-12 11:31:08 +0000 softdep_unmount: handle spurious wakeups Reviewed by: mckusick Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D29178 --- sys/ufs/ffs/ffs_softdep.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/sys/ufs/ffs/ffs_softdep.c b/sys/ufs/ffs/ffs_softdep.c index 4e20652973b4..cb0be9d21529 100644 --- a/sys/ufs/ffs/ffs_softdep.c +++ b/sys/ufs/ffs/ffs_softdep.c @@ -2805,10 +2805,13 @@ softdep_unmount(mp) ACQUIRE_LOCK(ump); ump->softdep_flags |= FLUSH_EXIT; wakeup(&ump->softdep_flushtd); - msleep(&ump->softdep_flags, LOCK_PTR(ump), PVM | PDROP, - "sdwait", 0); + while ((ump->softdep_flags & FLUSH_EXIT) != 0) { + msleep(&ump->softdep_flags, LOCK_PTR(ump), PVM, + "sdwait", 0); + } KASSERT((ump->softdep_flags & FLUSH_EXIT) == 0, ("Thread shutdown failed")); + FREE_LOCK(ump); } /*