From owner-dev-commits-src-all@freebsd.org Wed Jan 6 07:36:12 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 ED6B04C6376; Wed, 6 Jan 2021 07:36:12 +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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4D9h4X1664z4qF5; Wed, 6 Jan 2021 07:36:12 +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 B9F621AC43; Wed, 6 Jan 2021 07:36:11 +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 1067aBrS077446; Wed, 6 Jan 2021 07:36:11 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1067aBOA077445; Wed, 6 Jan 2021 07:36:11 GMT (envelope-from git) Date: Wed, 6 Jan 2021 07:36:11 GMT Message-Id: <202101060736.1067aBOA077445@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: 05803be000f8 - main - cache: stop setting cn_nameptr on entry as matches cn_pnbuf already 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: 05803be000f8e4a0a5e48a9ed9f857fcbf8e5134 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: Wed, 06 Jan 2021 07:36:13 -0000 The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=05803be000f8e4a0a5e48a9ed9f857fcbf8e5134 commit 05803be000f8e4a0a5e48a9ed9f857fcbf8e5134 Author: Mateusz Guzik AuthorDate: 2021-01-05 08:47:01 +0000 Commit: Mateusz Guzik CommitDate: 2021-01-06 06:03:41 +0000 cache: stop setting cn_nameptr on entry as matches cn_pnbuf already While here tidy up other asserts. --- sys/kern/vfs_cache.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index 1ad72630e1dc..7260896df452 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -5165,18 +5165,19 @@ cache_fplookup(struct nameidata *ndp, enum cache_fpl_status *status, struct nameidata_saved orig; int error; - MPASS(ndp->ni_lcf == 0); - fpl.status = CACHE_FPL_STATUS_UNSET; fpl.ndp = ndp; - fpl.cnp = &ndp->ni_cnd; - MPASS(curthread == fpl.cnp->cn_thread); - KASSERT ((fpl.cnp->cn_flags & CACHE_FPL_INTERNAL_CN_FLAGS) == 0, - ("%s: internal flags found in cn_flags %" PRIx64, __func__, - fpl.cnp->cn_flags)); + fpl.cnp = cnp = &ndp->ni_cnd; - if ((fpl.cnp->cn_flags & SAVESTART) != 0) - MPASS(fpl.cnp->cn_nameiop != LOOKUP); + MPASS(ndp->ni_lcf == 0); + MPASS(curthread == cnp->cn_thread); + KASSERT ((cnp->cn_flags & CACHE_FPL_INTERNAL_CN_FLAGS) == 0, + ("%s: internal flags found in cn_flags %" PRIx64, __func__, + cnp->cn_flags)); + if ((cnp->cn_flags & SAVESTART) != 0) { + MPASS(cnp->cn_nameiop != LOOKUP); + } + MPASS(cnp->cn_nameptr == cnp->cn_pnbuf); if (!cache_can_fplookup(&fpl)) { SDT_PROBE3(vfs, fplookup, lookup, done, ndp, fpl.line, fpl.status); @@ -5193,8 +5194,6 @@ cache_fplookup(struct nameidata *ndp, enum cache_fpl_status *status, ndp->ni_rootdir = pwd->pwd_rdir; ndp->ni_topdir = pwd->pwd_jdir; - cnp = fpl.cnp; - cnp->cn_nameptr = cnp->cn_pnbuf; if (cnp->cn_pnbuf[0] == '/') { dvp = cache_fpl_handle_root(&fpl); ndp->ni_resflags |= NIRES_ABS;