From owner-dev-commits-src-all@freebsd.org Mon Sep 20 20:27:40 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 8B74C6AD392; Mon, 20 Sep 2021 20:27:40 +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 4HCx243LsQz3C2y; Mon, 20 Sep 2021 20:27:40 +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 52E1B168E2; Mon, 20 Sep 2021 20:27:40 +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 18KKRejb022258; Mon, 20 Sep 2021 20:27:40 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 18KKReeQ022257; Mon, 20 Sep 2021 20:27:40 GMT (envelope-from git) Date: Mon, 20 Sep 2021 20:27:40 GMT Message-Id: <202109202027.18KKReeQ022257@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: 922bee44e400 - main - aio_fsync_vnode: use for(; ; ) loop instead of label 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: 922bee44e400321ac98b3b371cde3f0ff6137dd0 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: Mon, 20 Sep 2021 20:27:40 -0000 The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=922bee44e400321ac98b3b371cde3f0ff6137dd0 commit 922bee44e400321ac98b3b371cde3f0ff6137dd0 Author: Konstantin Belousov AuthorDate: 2021-09-20 09:30:54 +0000 Commit: Konstantin Belousov CommitDate: 2021-09-20 18:39:46 +0000 aio_fsync_vnode: use for(;;) loop instead of label Reviewed by: jhb, tmunro Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D32023 --- sys/kern/vfs_aio.c | 35 ++++++++++++++++++++--------------- 1 file changed, 20 insertions(+), 15 deletions(-) diff --git a/sys/kern/vfs_aio.c b/sys/kern/vfs_aio.c index 2da1a81d41bc..66792ccc1b92 100644 --- a/sys/kern/vfs_aio.c +++ b/sys/kern/vfs_aio.c @@ -724,24 +724,29 @@ static int aio_fsync_vnode(struct thread *td, struct vnode *vp, int op) { struct mount *mp; + vm_object_t obj; int error; - if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0) - goto drop; - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); - if (vp->v_object != NULL) { - VM_OBJECT_WLOCK(vp->v_object); - vm_object_page_clean(vp->v_object, 0, 0, 0); - VM_OBJECT_WUNLOCK(vp->v_object); - } - if (op == LIO_DSYNC) - error = VOP_FDATASYNC(vp, td); - else - error = VOP_FSYNC(vp, MNT_WAIT, td); + for (;;) { + error = vn_start_write(vp, &mp, V_WAIT | PCATCH); + if (error != 0) + break; + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); + obj = vp->v_object; + if (obj != NULL) { + VM_OBJECT_WLOCK(obj); + vm_object_page_clean(obj, 0, 0, 0); + VM_OBJECT_WUNLOCK(obj); + } + if (op == LIO_DSYNC) + error = VOP_FDATASYNC(vp, td); + else + error = VOP_FSYNC(vp, MNT_WAIT, td); - VOP_UNLOCK(vp); - vn_finished_write(mp); -drop: + VOP_UNLOCK(vp); + vn_finished_write(mp); + break; + } return (error); }