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 B6B772777EA for ; Wed, 25 Mar 2026 21:46:16 +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=1774475177; cv=none; b=Y8rBSLOtet/a7Rj0oMpyX84VLIy7/cpfxHDoPV1CsBUGg4R57+tI6xmCQhxH6YOG6kklRn6KkwlSjDcHxEW2dNxuY3htOVqfA8A2ZqtMBJLW04TuAXMD6XaL4kLr0ozdedoGioDLXYLDuh4BDjBdBsIKpTs9kqspYnMQgOmFAXo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774475177; c=relaxed/simple; bh=DAwvUzQ7UlEmekdmAlmslSqSVJyEjQuekjmbWaO6JpA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oTTkkdckBjRnOaI8yepPNN+tR3SqNyrmVnE8QTxyfwaJ03AXAYumtJsrs6H9prmKa6ntdDrMHjoC/VCvE9VJV75B50nY/l8Icuic9Pzh/tFWNWvZDS0XnyAaL7LZOYvMMmtmj19TQUsP8Nt+uVYOlrUJ5o1NV9ciwwjUGO0BibA= 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=kUZcmaBs; 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="kUZcmaBs" Received: from localhost (localhost [127.0.0.1]) by 013.lax.mailroute.net (Postfix) with ESMTP id 4fh0pc2kMvzlgy4t; Wed, 25 Mar 2026 21:46:16 +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=1774475171; x=1777067172; bh=mz2if at5GyRQbLPcvs1/9fO2GlW2QifsKN7hhG3x7kY=; b=kUZcmaBsJEEZ1MAOzEENv eHIKepzKdDoe+4/eF6KcoEuxTuNTbQ5Pc7GTDlbZD/Q3djUzgrQT/n+c5UcpHTm7 FQn5CTJCY603hBj1/aBHyqHIifINXb0H9znVeXRA0G/hNJB4hSuDYTyOmJA+q399 MckpJGOnlZbslDiFaM5eX1ucUg9DGZx8wFa5i2lF4mRss+/K0SPiEi8HX/X4Fzqm AQS27FHwP1kL9nGw2jYFkVNhEB6KgyKCqIs8Bvh/2kJiIY989DhuJL1K7E6Z5Nay DKg7OqcYsNxM4mNoV1ZI8CDIVKRwao6eVtoxNEAjKNkO29rTsCAZdxkqMjMXFrf3 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 4I8CFBTdLTTK; Wed, 25 Mar 2026 21:46:11 +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 4fh0pT6XDfzlgwN4; Wed, 25 Mar 2026 21:46:09 +0000 (UTC) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Damien Le Moal , Tejun Heo , Bart Van Assche , Nathan Chancellor Subject: [PATCH v2 17/26] loop: Add lock context annotations Date: Wed, 25 Mar 2026 14:44:58 -0700 Message-ID: <20260325214518.2854494-18-bvanassche@acm.org> X-Mailer: git-send-email 2.53.0.1018.g2bb0e51243-goog In-Reply-To: <20260325214518.2854494-1-bvanassche@acm.org> References: <20260325214518.2854494-1-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 Add lock context annotations that are compatible with Clang and enable lock context analysis. Signed-off-by: Bart Van Assche --- drivers/block/loop.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 0000913f7efc..9c7ed9e8a442 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -107,6 +107,8 @@ static DEFINE_MUTEX(loop_validate_mutex); * loop_configure()/loop_change_fd()/__loop_clr_fd() calls. */ static int loop_global_lock_killable(struct loop_device *lo, bool global= ) + __cond_acquires(0, &lo->lo_mutex) + __no_context_analysis /* conditional locking */ { int err; =20 @@ -128,6 +130,8 @@ static int loop_global_lock_killable(struct loop_devi= ce *lo, bool global) * @global: true if @lo was about to bind another "struct loop_device", = false otherwise */ static void loop_global_unlock(struct loop_device *lo, bool global) + __releases(&lo->lo_mutex) + __no_context_analysis /* conditional locking */ { mutex_unlock(&lo->lo_mutex); if (global)