From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 013.lax.mailroute.net (013.lax.mailroute.net [199.89.1.16]) (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 721CD3EAC76 for ; Thu, 2 Apr 2026 18:40:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775155244; cv=none; b=aIGgVbxoVNeaChoNBoJHLv4N/jTOJ94lbZr6qMkOlIYgqlKIfY30Hrsjs2toA7YISVe+9KgjDH53Dh1UTJBZd9/THH37e/eAqS+KSbHqXC5YS9LPqsSOd57HQC1lhVbJnRfSpLeoNXHrGgPIo4KnrjNg0liGgXERR6SquQPAO4w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775155244; c=relaxed/simple; bh=TSqaXIzovtlie/fKjnGMo4KUeFfNRuEqeJgz6HqCtBQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BsrQ2WZ47HdPVAq7oz+6FeTpt9aNV4/0GH4fIu4f9PSeaneqdfmFm0nebBT4ofzRxSXg0c6GEPQVHLC9h344wY1DQQL7ooL03z5mXJD8ZKXllkDlAcdOcDXf15/+QP1OZu/tk3Wcye+yqIyirka84V+1w7C6lk1o5jf10Vf5ybI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=OlRKwPCL; arc=none smtp.client-ip=199.89.1.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="OlRKwPCL" Received: from localhost (localhost [127.0.0.1]) by 013.lax.mailroute.net (Postfix) with ESMTP id 4fmrJp09FfzlfwHM; Thu, 2 Apr 2026 18:40:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:mime-version:references:in-reply-to :x-mailer:message-id:date:date:subject:subject:from:from :received:received; s=mr01; t=1775155237; x=1777747238; bh=K5Ons IMUWEO3f7Puk/LNleG4Sv8GRVFLQTnM11h4cqM=; b=OlRKwPCLobyAabkBXrvPl RKAr/4kNwpSkKZ2i7yXOVlJ+Qp+7nOaNGKigBKwb+yknJqvVKNIcmqhAFsnudPO2 ianmkxxWjmu6tav2EAJTjqC469ypUO1zeEgkddvKf1DjeAXBKiNhuW1gyIVWAKPC b0RlXxNl/JqaUF59peFGFp/6gCjgmC9A3GeRp1jOym6vhFFivqTB4WjoJ24v63Jj 1AkGROQwb60t+iJvBrnwfCtLlfiS0ytKNQLSDWFLu35fOJFOGjYLeevs/owqAYl1 sDG6cQrHhOauwaPXwnbbMhIzTsUQSMuxXrnabhTGt2G++o21SE5ng/aPQWH3cTWH Q== X-Virus-Scanned: by MailRoute Received: from 013.lax.mailroute.net ([127.0.0.1]) by localhost (013.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id YPS5egNjo-5D; Thu, 2 Apr 2026 18:40:37 +0000 (UTC) Received: from bvanassche.mtv.corp.google.com (unknown [104.135.180.219]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 013.lax.mailroute.net (Postfix) with ESMTPSA id 4fmrJg4wklzlh2gZ; Thu, 2 Apr 2026 18:40:35 +0000 (UTC) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Damien Le Moal , Marco Elver , Bart Van Assche , Nathan Chancellor Subject: [PATCH v3 11/12] block/mq-deadline: Make the lock context annotations compatible with Clang Date: Thu, 2 Apr 2026 11:39:43 -0700 Message-ID: <20260402183950.3626956-12-bvanassche@acm.org> X-Mailer: git-send-email 2.53.0.1213.gd9a14994de-goog In-Reply-To: <20260402183950.3626956-1-bvanassche@acm.org> References: <20260402183950.3626956-1-bvanassche@acm.org> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable While sparse ignores the __acquires() and __releases() arguments, Clang verifies these. Make the arguments of __acquires() and __releases() acceptable for Clang. Signed-off-by: Bart Van Assche --- block/mq-deadline.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 95917a88976f..824bfc17b2c6 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -794,11 +794,15 @@ static const struct elv_fs_entry deadline_attrs[] =3D= { __ATTR_NULL }; =20 +#define RQ_FROM_SEQ_FILE(m) ((struct request_queue *)(m)->private) +#define DD_DATA_FROM_RQ(rq) \ + ((struct deadline_data *)(rq)->elevator->elevator_data) + #ifdef CONFIG_BLK_DEBUG_FS #define DEADLINE_DEBUGFS_DDIR_ATTRS(prio, data_dir, name) \ static void *deadline_##name##_fifo_start(struct seq_file *m, \ loff_t *pos) \ - __acquires(&dd->lock) \ + __acquires(&DD_DATA_FROM_RQ(RQ_FROM_SEQ_FILE(m))->lock) \ { \ struct request_queue *q =3D m->private; \ struct deadline_data *dd =3D q->elevator->elevator_data; \ @@ -819,7 +823,7 @@ static void *deadline_##name##_fifo_next(struct seq_f= ile *m, void *v, \ } \ \ static void deadline_##name##_fifo_stop(struct seq_file *m, void *v) \ - __releases(&dd->lock) \ + __releases(&DD_DATA_FROM_RQ(RQ_FROM_SEQ_FILE(m))->lock) \ { \ struct request_queue *q =3D m->private; \ struct deadline_data *dd =3D q->elevator->elevator_data; \ @@ -921,7 +925,7 @@ static int dd_owned_by_driver_show(void *data, struct= seq_file *m) } =20 static void *deadline_dispatch_start(struct seq_file *m, loff_t *pos) - __acquires(&dd->lock) + __acquires(&DD_DATA_FROM_RQ(RQ_FROM_SEQ_FILE(m))->lock) { struct request_queue *q =3D m->private; struct deadline_data *dd =3D q->elevator->elevator_data; @@ -939,7 +943,7 @@ static void *deadline_dispatch_next(struct seq_file *= m, void *v, loff_t *pos) } =20 static void deadline_dispatch_stop(struct seq_file *m, void *v) - __releases(&dd->lock) + __releases(&DD_DATA_FROM_RQ(RQ_FROM_SEQ_FILE(m))->lock) { struct request_queue *q =3D m->private; struct deadline_data *dd =3D q->elevator->elevator_data;