From patchwork Thu Jan 25 10:42:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13530391 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A230E55C3A; Thu, 25 Jan 2024 10:43:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706179429; cv=none; b=ofFA9CPuiP2yeCUmCJ0jJM3+9hhFR31zA9wLmn9TmEjE5SVIquuWG5Hg3gLSHYKzdgsSB8GXliFOBVW1chBIuMO6Rwtba7MFzdQSynO2qyX3v14NLHJibGUuw3/XMfqPfx6salQxblw0qEjFz99C8aAkU1pWXgVM0zkF5SD+3WE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706179429; c=relaxed/simple; bh=Ie5p6oqmpFNZUgXEHLRq4W1RdiFIAqz5JNsDHAErZ1M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ga1vBd4puHzSQxrY2Dbq/RvHeBYR2zXwzNDjSMyeOroZtg0hQjuQSToW4kQ+ZYBy/LQqRzgsj4mnUV8sGxTcWQPSvoOHmb8ouzdgE5QIAFddTeBeK7YnQz3ECK0zL8PACGFWIivCGIcEE5+HsR7F7NTNKT9GYjUR9HU6trTxreM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=m+bHBjlN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="m+bHBjlN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC091C43609; Thu, 25 Jan 2024 10:43:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706179429; bh=Ie5p6oqmpFNZUgXEHLRq4W1RdiFIAqz5JNsDHAErZ1M=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=m+bHBjlNlfdirhOZjDJ7TyKBL24R/sb+xPVkIlvknO5FCv6+2ywDiZPjndCU2rXxE ra+DRB/VjHyWgJNwVsMzMS2mWmczJiVuLN9RTvqtBtXACM3usg4oYpMn0xcTL526fX CrDaGT+dG8GoSQUTmZ+y7j/ZU7bUcLTXCMDwthaXK//+kSH1mmTKk7an856p3CwYGt zTebnliilHGxiM6dWWKDpy0DMkHuqLKbiTBuFvfM884Eyox1OicJ2x0Z6JaOIxV01U f2BqwRF0DgmztCZ+1irPNcHaGa1QNC8oi1iN+0SRIGlG+SwsmcHaBEaMA0NKTVaJAz 6AcccnLv5JyOQ== From: Jeff Layton Date: Thu, 25 Jan 2024 05:42:50 -0500 Subject: [PATCH v2 09/41] filelock: drop the IS_* macros Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240125-flsplit-v2-9-7485322b62c7@kernel.org> References: <20240125-flsplit-v2-0-7485322b62c7@kernel.org> In-Reply-To: <20240125-flsplit-v2-0-7485322b62c7@kernel.org> To: Christian Brauner , Alexander Viro , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , David Howells , Marc Dionne , Xiubo Li , Ilya Dryomov , Alexander Aring , David Teigland , Miklos Szeredi , Andreas Gruenbacher , Trond Myklebust , Anna Schumaker , Chuck Lever , Neil Brown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Jan Kara , Mark Fasheh , Joel Becker , Joseph Qi , Steve French , Paulo Alcantara , Shyam Prasad N , Namjae Jeon , Sergey Senozhatsky , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ronnie Sahlberg Cc: linux-kernel@vger.kernel.org, v9fs@lists.linux.dev, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, gfs2@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, ocfs2-devel@lists.linux.dev, linux-cifs@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Jeff Layton X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3882; i=jlayton@kernel.org; h=from:subject:message-id; bh=Ie5p6oqmpFNZUgXEHLRq4W1RdiFIAqz5JNsDHAErZ1M=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBlsjs7Y1gVzezg9FUKDvD/HvS9VuYz3hiMoSnaH dR/9lKIk3WJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZbI7OwAKCRAADmhBGVaC FdwSEACc87JFuNmCK+jCub4XqNO93qhEtp9+fbbmrtMA1m5mbpH7I4XRLaLv/HGnbycVzTDZtUq L/ICfyXuuAewtz0Yz+sFBHLvwwstnBha2u8aMN1P8PuI4YV352iOtrJAtMT2ZWocKZ6kg0F/5t1 UUD6WvDWVQ7Fn2fCHuowQOA9GufJMsK1IKuzy2wJl4SNV04yZ5Ja+8queToadwoEiV/CCCNo0AM vcA+fcvnrFcmu0V4VkMZsVOiBUulEGpVAeOwaUSXtrz1qL6MfHf1BUUvyqZzeYLOHuRGy/JKJL5 f5Y/gJ7DqESSxNbJSO4BaFYWnLX90E0W7Mq0DPEzAkCc1Zl7L6HLwxitEXVsHNxcWeRjoR4nKSX tpXq6iwqBCdCcASVZCyZL+4bhhXCwRQ5DyVHtyUAN27gBWt/p//hW3TPymvnz9k8u/6lnbmTmFm r7h06Op4cDcDiwqqGlg9wEQYAnk10grHBlt7RTH/4vofeVLRjT6Ft8jS+FEiuibotGJPCvDCXdu fN6x1V4EHKK98xh0rTIdqZbpwHr78WKHSti1GFS/3g6s187txgSWX389tuets1UyJt37nJTT4lU Uu7T1zM6yKsvPhrNYr6Z5qqzPEi1sG+GzEBSfuSV+x298GQ0JI/cIIOTQc4ea4Jo3LWvHiifjsJ P7dl9XwNhMcWVEw== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 These don't add a lot of value over just open-coding the flag check. Suggested-by: NeilBrown Signed-off-by: Jeff Layton --- fs/locks.c | 32 +++++++++++++++----------------- 1 file changed, 15 insertions(+), 17 deletions(-) diff --git a/fs/locks.c b/fs/locks.c index 1eceaa56e47f..87212f86eca9 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -70,12 +70,6 @@ #include -#define IS_POSIX(fl) (fl->fl_flags & FL_POSIX) -#define IS_FLOCK(fl) (fl->fl_flags & FL_FLOCK) -#define IS_LEASE(fl) (fl->fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT)) -#define IS_OFDLCK(fl) (fl->fl_flags & FL_OFDLCK) -#define IS_REMOTELCK(fl) (fl->fl_pid <= 0) - static bool lease_breaking(struct file_lock *fl) { return fl->fl_flags & (FL_UNLOCK_PENDING | FL_DOWNGRADE_PENDING); @@ -767,7 +761,7 @@ static void __locks_insert_block(struct file_lock *blocker, } waiter->fl_blocker = blocker; list_add_tail(&waiter->fl_blocked_member, &blocker->fl_blocked_requests); - if (IS_POSIX(blocker) && !IS_OFDLCK(blocker)) + if ((blocker->fl_flags & (FL_POSIX|FL_OFDLCK)) == FL_POSIX) locks_insert_global_blocked(waiter); /* The requests in waiter->fl_blocked are known to conflict with @@ -999,7 +993,7 @@ static int posix_locks_deadlock(struct file_lock *caller_fl, * This deadlock detector can't reasonably detect deadlocks with * FL_OFDLCK locks, since they aren't owned by a process, per-se. */ - if (IS_OFDLCK(caller_fl)) + if (caller_fl->fl_flags & FL_OFDLCK) return 0; while ((block_fl = what_owner_is_waiting_for(block_fl))) { @@ -2150,10 +2144,13 @@ static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns) pid_t vnr; struct pid *pid; - if (IS_OFDLCK(fl)) + if (fl->fl_flags & FL_OFDLCK) return -1; - if (IS_REMOTELCK(fl)) + + /* Remote locks report a negative pid value */ + if (fl->fl_pid <= 0) return fl->fl_pid; + /* * If the flock owner process is dead and its pid has been already * freed, the translation below won't work, but we still want to show @@ -2697,7 +2694,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, struct inode *inode = NULL; unsigned int pid; struct pid_namespace *proc_pidns = proc_pid_ns(file_inode(f->file)->i_sb); - int type; + int type = fl->fl_type; pid = locks_translate_pid(fl, proc_pidns); /* @@ -2714,19 +2711,21 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, if (repeat) seq_printf(f, "%*s", repeat - 1 + (int)strlen(pfx), pfx); - if (IS_POSIX(fl)) { + if (fl->fl_flags & FL_POSIX) { if (fl->fl_flags & FL_ACCESS) seq_puts(f, "ACCESS"); - else if (IS_OFDLCK(fl)) + else if (fl->fl_flags & FL_OFDLCK) seq_puts(f, "OFDLCK"); else seq_puts(f, "POSIX "); seq_printf(f, " %s ", (inode == NULL) ? "*NOINODE*" : "ADVISORY "); - } else if (IS_FLOCK(fl)) { + } else if (fl->fl_flags & FL_FLOCK) { seq_puts(f, "FLOCK ADVISORY "); - } else if (IS_LEASE(fl)) { + } else if (fl->fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT)) { + type = target_leasetype(fl); + if (fl->fl_flags & FL_DELEG) seq_puts(f, "DELEG "); else @@ -2741,7 +2740,6 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, } else { seq_puts(f, "UNKNOWN UNKNOWN "); } - type = IS_LEASE(fl) ? target_leasetype(fl) : fl->fl_type; seq_printf(f, "%s ", (type == F_WRLCK) ? "WRITE" : (type == F_RDLCK) ? "READ" : "UNLCK"); @@ -2753,7 +2751,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, } else { seq_printf(f, "%d :0 ", pid); } - if (IS_POSIX(fl)) { + if (fl->fl_flags & FL_POSIX) { if (fl->fl_end == OFFSET_MAX) seq_printf(f, "%Ld EOF\n", fl->fl_start); else