From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 011.lax.mailroute.net (011.lax.mailroute.net [199.89.1.14]) (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 E0134386448 for ; Wed, 4 Mar 2026 19:49:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772653762; cv=none; b=BJzzM5M36TfH3ZyiNf5ni6d+EQOR1XduTm30CBvgoARNt4WZ5ReoKZEIPJ7nA7pd8VwQmSzHwY+vz6LpX/kv16uZ0QX9rS2YUSdDabLG6UXm5pUav/EVnuYfesYPsNQO4AJK0wjsQ6S9DMM5QIMdQGQCmetgkI/RvBtnArD2hPw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772653762; c=relaxed/simple; bh=nWUsPqEz64DRxRs4stKE7KIOmuHx0LOPxKQEjZyS+jU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qeY9OCdRRA34eigC1qhGWI99sgce9vakAMNial6ZnhHZXLUAGidolz6v7sI6/Z9ia69HBpxL6u5fmy1y+VbTH6ozeclWHAnN/Zg0wecH1Snud3VYr6jbhoycRCFh69NIP10ccNfd2N7F//FGlr+pTBAwRp4W6db/fkaXp30Iby0= 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=B+Om/pWI; arc=none smtp.client-ip=199.89.1.14 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="B+Om/pWI" Received: from localhost (localhost [127.0.0.1]) by 011.lax.mailroute.net (Postfix) with ESMTP id 4fR3CP3NpZz1XM0p0; Wed, 4 Mar 2026 19:49:21 +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=1772653757; x=1775245758; bh=KCtAi 2+JuLPtiSpcUSdnD8CARriGYij4GJ/FCeNg6Zs=; b=B+Om/pWIJZSntWNERidj8 pHbiZoLHJduN3TdcgPBocxLuUgRb/TwH8joB9VwA8lRO2iOHt4ev5lVYLS8ZlLSJ eMl87t/xMhiZY5M2e7TbcPZv+gpdxjRFmqO10V9i1kRZ6Lh+z4TF5MF7YxrSCd6I QglzOvwGG4UiEpUwn9wsGuZVhCkrjPtH7XcxurC4UU1NzMnKLtcS6qD/ZUGvSBjv CpmhWQx/B/4y1NPsyKQYAdZpFXNxLk+9RFIfIp1d0IU1NhMztOAK9yg0gt3BhJyJ umze/Jb/01WIetjhyIEho75+dt6cghVAb7kMGmB80juuO4vP+SMU8fAi4Rvf2uY3 w== X-Virus-Scanned: by MailRoute Received: from 011.lax.mailroute.net ([127.0.0.1]) by localhost (011.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id 4ry8cYWoseC5; Wed, 4 Mar 2026 19:49:17 +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 011.lax.mailroute.net (Postfix) with ESMTPSA id 4fR3CJ1cCyz1XM6JV; Wed, 4 Mar 2026 19:49:15 +0000 (UTC) From: Bart Van Assche To: Jens Axboe Cc: Christoph Hellwig , Damien Le Moal , Marco Elver , linux-block@vger.kernel.org, Bart Van Assche , Nathan Chancellor Subject: [PATCH 06/14] loop: Add lock context annotations Date: Wed, 4 Mar 2026 11:48:25 -0800 Message-ID: <20260304194843.760669-7-bvanassche@acm.org> X-Mailer: git-send-email 2.53.0.473.g4a7958ca14-goog In-Reply-To: <20260304194843.760669-1-bvanassche@acm.org> References: <20260304194843.760669-1-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 Prepare for enabling lock context analysis by adding lock context annotations that are compatible with Clang. 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)