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Mon, 25 Jan 2021 19:45:43 +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 10PJjhtv092182; Mon, 25 Jan 2021 19:45:43 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 10PJjhnS092181; Mon, 25 Jan 2021 19:45:43 GMT (envelope-from git) Date: Mon, 25 Jan 2021 19:45:43 GMT Message-Id: <202101251945.10PJjhnS092181@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: 868643e7229b - main - cache: assorted cleanups 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: 868643e7229b7959024880cda396fef87602b948 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jan 2021 19:45:43 -0000 The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=868643e7229b7959024880cda396fef87602b948 commit 868643e7229b7959024880cda396fef87602b948 Author: Mateusz Guzik AuthorDate: 2021-01-24 20:04:01 +0000 Commit: Mateusz Guzik CommitDate: 2021-01-25 19:45:24 +0000 cache: assorted cleanups --- sys/kern/vfs_cache.c | 40 +++++++++++++++++++++------------------- 1 file changed, 21 insertions(+), 19 deletions(-) diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index 9d3b935a3047..e3098ac7c5d5 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -5079,54 +5079,54 @@ cache_fplookup_is_mp(struct cache_fpl *fpl) */ #ifdef INVARIANTS static void -cache_fpl_pathlen_dec(struct cache_fpl *fpl) +cache_fpl_pathlen_add(struct cache_fpl *fpl, size_t n) { - cache_fpl_pathlen_sub(fpl, 1); + fpl->debug.ni_pathlen += n; + KASSERT(fpl->debug.ni_pathlen <= PATH_MAX, + ("%s: pathlen overflow to %zd\n", __func__, fpl->debug.ni_pathlen)); } static void -cache_fpl_pathlen_inc(struct cache_fpl *fpl) +cache_fpl_pathlen_sub(struct cache_fpl *fpl, size_t n) { - cache_fpl_pathlen_add(fpl, 1); + fpl->debug.ni_pathlen -= n; + KASSERT(fpl->debug.ni_pathlen <= PATH_MAX, + ("%s: pathlen underflow to %zd\n", __func__, fpl->debug.ni_pathlen)); } static void -cache_fpl_pathlen_add(struct cache_fpl *fpl, size_t n) +cache_fpl_pathlen_inc(struct cache_fpl *fpl) { - fpl->debug.ni_pathlen += n; - KASSERT(fpl->debug.ni_pathlen <= PATH_MAX, - ("%s: pathlen overflow to %zd\n", __func__, fpl->debug.ni_pathlen)); + cache_fpl_pathlen_add(fpl, 1); } static void -cache_fpl_pathlen_sub(struct cache_fpl *fpl, size_t n) +cache_fpl_pathlen_dec(struct cache_fpl *fpl) { - fpl->debug.ni_pathlen -= n; - KASSERT(fpl->debug.ni_pathlen <= PATH_MAX, - ("%s: pathlen underflow to %zd\n", __func__, fpl->debug.ni_pathlen)); + cache_fpl_pathlen_sub(fpl, 1); } #else -static void __always_inline -cache_fpl_pathlen_dec(struct cache_fpl *fpl) +static void +cache_fpl_pathlen_add(struct cache_fpl *fpl, size_t n) { } -static void __always_inline -cache_fpl_pathlen_inc(struct cache_fpl *fpl) +static void +cache_fpl_pathlen_sub(struct cache_fpl *fpl, size_t n) { } static void -cache_fpl_pathlen_add(struct cache_fpl *fpl, size_t n) +cache_fpl_pathlen_inc(struct cache_fpl *fpl) { } static void -cache_fpl_pathlen_sub(struct cache_fpl *fpl, size_t n) +cache_fpl_pathlen_dec(struct cache_fpl *fpl) { } #endif @@ -5258,7 +5258,7 @@ cache_fplookup_parse_advance(struct cache_fpl *fpl) * * Lockless lookup tries to elide checking for spurious slashes and should they * be present is guaranteed to fail to find an entry. In this case the caller - * must check if the name starts with a slash and this call routine. It is + * must check if the name starts with a slash and call this routine. It is * going to fast forward across the spurious slashes and set the state up for * retry. */ @@ -5342,11 +5342,13 @@ cache_fplookup_failed_vexec(struct cache_fpl *fpl, int error) * Hack: handle O_SEARCH. * * Open Group Base Specifications Issue 7, 2018 edition states: + * * If the access mode of the open file description associated with the * file descriptor is not O_SEARCH, the function shall check whether * directory searches are permitted using the current permissions of * the directory underlying the file descriptor. If the access mode is * O_SEARCH, the function shall not perform the check. + * * * Regular lookup tests for the NOEXECCHECK flag for every path * component to decide whether to do the permission check. However,