From patchwork Tue Jan 16 19:46:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13521141 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 51B3F7C090; Tue, 16 Jan 2024 19:47:30 +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=1705434450; cv=none; b=sz9dLmM+TWpNoP6Gkk3d05TSiiQ6S20DkYRqnDO9mK1QP2iMnrK1TpxovFjthvyadTA+i1IZ+rx9/PhgjZPRFM5E7oTIq8oF4LAy6INYQogf0lWKG5wpJ70i1EyjCJp/kyEVKvYkY2BOKPbJnPtNxJ9JwRD4ZCDd+Z0poOWmMAU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705434450; c=relaxed/simple; bh=hDNBllLWV7rE28a4tOW8PqqKsyO/cQNheeJo5XTQ5lQ=; h=Received:DKIM-Signature:From:Date:Subject:MIME-Version: Content-Type:Content-Transfer-Encoding:Message-Id:References: In-Reply-To:To:Cc:X-Mailer:X-Developer-Signature:X-Developer-Key; b=f0QuNc4RgukpEp8zkrstK3AJoT9jKriX4rRrCC3ZR+bInF+ki36h7SAMkBa8lBbmZW4G/GtqUoBN/kTAA9hQFvGZk7bNOqmG2M4Logzu2Y1yQZ+LX2D3u7s9EA6V4Agon5UlvN5FIN6SNgtaxjieo+cO+1k+gjI3APLbR8OjTvQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kzcsdZNn; 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="kzcsdZNn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A334C43609; Tue, 16 Jan 2024 19:47:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705434450; bh=hDNBllLWV7rE28a4tOW8PqqKsyO/cQNheeJo5XTQ5lQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kzcsdZNnwtOwDz+0ScxdCgLnAXucXNw7pUfdtWDuahWCJ7bHfkRUMtfY6tW9uFCRv 0Xtqh8iUkDN13I8l8shnWGlj+o+zcpmjyOpb1sgBdGn7Y3ZyL/ulTeR5AuqnDEe7j0 xT+TxTRPGklIuXvF/YYUpO0joYz4Dp/+pQpfOr/GK1QG/XkciN2+QNWytsueK4FCPi r7iqT5aCProcxW19BTUCkdfn4U3HnjrCJvDQUnVTu7ZdHG96LkSDYX1CMcMvf2ThBE MAnnPuenyKlNFCUf1jJQA0xj/bvMxMk3FETk6Fja7sdct35OA6hb+BaEvrhZPXMAX4 oPdHxej0qesCA== From: Jeff Layton Date: Tue, 16 Jan 2024 14:46:07 -0500 Subject: [PATCH 11/20] filelock: convert the IS_* macros to take file_lock_core Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240116-flsplit-v1-11-c9d0f4370a5d@kernel.org> References: <20240116-flsplit-v1-0-c9d0f4370a5d@kernel.org> In-Reply-To: <20240116-flsplit-v1-0-c9d0f4370a5d@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 , Ronnie Sahlberg , Shyam Prasad N , Namjae Jeon , Sergey Senozhatsky , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers 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, samba-technical@lists.samba.org, linux-trace-kernel@vger.kernel.org, Jeff Layton X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=4374; i=jlayton@kernel.org; h=from:subject:message-id; bh=hDNBllLWV7rE28a4tOW8PqqKsyO/cQNheeJo5XTQ5lQ=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBlpt0h/L8At3nBU2VgP+pUsnh2pXoFcx9uKIWpb Hqa7gddCUGJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZabdIQAKCRAADmhBGVaC FYM9D/4/y07BKDV0bDKK4dYeYFXbGjF1XoU54+6uRIu/8Wtx0wBs9naTPAB/E6sCv7BGMv9W+x1 b1wcPq336mQ8WcP8VafWXEQa6y9kffgjyqsFmcaSXYxPWp3ulvEUAUtni0gfT5isyVIt9oYooyA qYrYbKllZHg46JotkIK/E0cX2zHl2/kaWWxuufxRFPItIQ1Oet34OZKF5hkQFqlwCGcTAfZIDnz urWXdczSOzfxHf7XDY9H4Lv8qNROKN95Fl82IJ+31zTIoM17iI+vzxyBjKX5yCiUL6bzlgwNIBb fZvAYQ3mNJtJwXD+am8GOFC++hBSMEZbkOhgiUy1zBH/4F7rjkUJH5Rv8jiq+2syNyIS6ffo/8A 9xW+8ANWLZ+ASuPDGI7psXJCwhT944/Afp1pjfUTH66dd+dvNqq95m26KxYlKLizNMYTi8L8AtW H5pDBZlFt30Y6jZkmwyMPfLEq6mCWCVMKBjpVYPx2AAFjDu928AMd3SECwfdF3NEEys/eX4Vo4M vcyItUEyGVwpXH9HOeNuyCpYMXq2sH4ZzY71JpDYuZxYbA7MncxxewQXScLup3Rv2fe5Ij9F4Mi ZXFaATkQE9c4mvpn8IMRbuyGsmrJPM3xSi6ZKqzTeaI4+6clsh1Jl8/OILx0h5MG8pTP8WdZwS1 wThFLIR2rQGY4Hw== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 I couldn't get them to work properly as macros, so convert them to static inlines instead (which is probably better for the type safety anyway). Signed-off-by: Jeff Layton --- fs/locks.c | 46 +++++++++++++++++++++++++++++++++------------- 1 file changed, 33 insertions(+), 13 deletions(-) diff --git a/fs/locks.c b/fs/locks.c index 770aaa5809ba..eddf4d767d5d 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -70,10 +70,26 @@ #include -#define IS_POSIX(fl) (fl->fl_core.fl_flags & FL_POSIX) -#define IS_FLOCK(fl) (fl->fl_core.fl_flags & FL_FLOCK) -#define IS_LEASE(fl) (fl->fl_core.fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT)) -#define IS_OFDLCK(fl) (fl->fl_core.fl_flags & FL_OFDLCK) +static inline bool IS_POSIX(struct file_lock_core *flc) +{ + return flc->fl_flags & FL_POSIX; +} + +static inline bool IS_FLOCK(struct file_lock_core *flc) +{ + return flc->fl_flags & FL_FLOCK; +} + +static inline bool IS_OFDLCK(struct file_lock_core *flc) +{ + return flc->fl_flags & FL_OFDLCK; +} + +static inline bool IS_LEASE(struct file_lock_core *flc) +{ + return flc->fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT); +} + #define IS_REMOTELCK(fl) (fl->fl_core.fl_pid <= 0) static bool lease_breaking(struct file_lock *fl) @@ -761,6 +777,7 @@ static void __locks_insert_block(struct file_lock *blocker, struct file_lock *)) { struct file_lock *fl; + struct file_lock_core *bflc; BUG_ON(!list_empty(&waiter->fl_core.fl_blocked_member)); new_blocker: @@ -773,7 +790,9 @@ static void __locks_insert_block(struct file_lock *blocker, waiter->fl_core.fl_blocker = blocker; list_add_tail(&waiter->fl_core.fl_blocked_member, &blocker->fl_core.fl_blocked_requests); - if (IS_POSIX(blocker) && !IS_OFDLCK(blocker)) + + bflc = &blocker->fl_core; + if (IS_POSIX(bflc) && !IS_OFDLCK(bflc)) locks_insert_global_blocked(&waiter->fl_core); /* The requests in waiter->fl_blocked are known to conflict with @@ -998,6 +1017,7 @@ static int posix_locks_deadlock(struct file_lock *caller_fl, struct file_lock *block_fl) { int i = 0; + struct file_lock_core *flc = &caller_fl->fl_core; lockdep_assert_held(&blocked_lock_lock); @@ -1005,7 +1025,7 @@ 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 (IS_OFDLCK(flc)) return 0; while ((block_fl = what_owner_is_waiting_for(block_fl))) { @@ -2157,7 +2177,7 @@ 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 (IS_OFDLCK(&fl->fl_core)) return -1; if (IS_REMOTELCK(fl)) return fl->fl_core.fl_pid; @@ -2721,19 +2741,19 @@ 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 (IS_POSIX(&fl->fl_core)) { if (fl->fl_core.fl_flags & FL_ACCESS) seq_puts(f, "ACCESS"); - else if (IS_OFDLCK(fl)) + else if (IS_OFDLCK(&fl->fl_core)) seq_puts(f, "OFDLCK"); else seq_puts(f, "POSIX "); seq_printf(f, " %s ", (inode == NULL) ? "*NOINODE*" : "ADVISORY "); - } else if (IS_FLOCK(fl)) { + } else if (IS_FLOCK(&fl->fl_core)) { seq_puts(f, "FLOCK ADVISORY "); - } else if (IS_LEASE(fl)) { + } else if (IS_LEASE(&fl->fl_core)) { if (fl->fl_core.fl_flags & FL_DELEG) seq_puts(f, "DELEG "); else @@ -2748,7 +2768,7 @@ 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_core.fl_type; + type = IS_LEASE(&fl->fl_core) ? target_leasetype(fl) : fl->fl_core.fl_type; seq_printf(f, "%s ", (type == F_WRLCK) ? "WRITE" : (type == F_RDLCK) ? "READ" : "UNLCK"); @@ -2760,7 +2780,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, } else { seq_printf(f, "%d :0 ", fl_pid); } - if (IS_POSIX(fl)) { + if (IS_POSIX(&fl->fl_core)) { if (fl->fl_end == OFFSET_MAX) seq_printf(f, "%Ld EOF\n", fl->fl_start); else