From owner-dev-commits-src-all@freebsd.org Sat Sep 18 10:18:20 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 93E88675014; Sat, 18 Sep 2021 10:18:20 +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 4HBRbw3QcYz3MTN; Sat, 18 Sep 2021 10:18:20 +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 563CF27CB6; Sat, 18 Sep 2021 10:18:20 +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 18IAIK7c065959; Sat, 18 Sep 2021 10:18:20 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 18IAIK0I065958; Sat, 18 Sep 2021 10:18:20 GMT (envelope-from git) Date: Sat, 18 Sep 2021 10:18:20 GMT Message-Id: <202109181018.18IAIK0I065958@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mateusz Guzik Subject: git: 5d8e32a66c17 - main - vfs: retire VNODE_REFCOUNT_FENCE_* macros MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mjg X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 5d8e32a66c1700323c570d25b03672f35f4e0110 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, 18 Sep 2021 10:18:20 -0000 The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=5d8e32a66c1700323c570d25b03672f35f4e0110 commit 5d8e32a66c1700323c570d25b03672f35f4e0110 Author: Mateusz Guzik AuthorDate: 2021-09-18 08:14:35 +0000 Commit: Mateusz Guzik CommitDate: 2021-09-18 10:16:00 +0000 vfs: retire VNODE_REFCOUNT_FENCE_* macros They are unused as of last year. --- sys/kern/vfs_subr.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 23f6ec9cf3fd..33a556fbfa2b 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -121,22 +121,6 @@ static int v_inval_buf_range_locked(struct vnode *vp, struct bufobj *bo, daddr_t startlbn, daddr_t endlbn); static void vnlru_recalc(void); -/* - * These fences are intended for cases where some synchronization is - * needed between access of v_iflags and lockless vnode refcount (v_holdcnt - * and v_usecount) updates. Access to v_iflags is generally synchronized - * by the interlock, but we have some internal assertions that check vnode - * flags without acquiring the lock. Thus, these fences are INVARIANTS-only - * for now. - */ -#ifdef INVARIANTS -#define VNODE_REFCOUNT_FENCE_ACQ() atomic_thread_fence_acq() -#define VNODE_REFCOUNT_FENCE_REL() atomic_thread_fence_rel() -#else -#define VNODE_REFCOUNT_FENCE_ACQ() -#define VNODE_REFCOUNT_FENCE_REL() -#endif - /* * Number of vnodes in existence. Increased whenever getnewvnode() * allocates a new vnode, decreased in vdropl() for VIRF_DOOMED vnode.