From nobody Sat Oct 4 14:35:16 2025 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 E203526AF3; Fri, 15 Aug 2025 03:05:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755227158; cv=none; b=N2xc8WblWE/PuWKq4pQSxdOk92FE45o5mFzbPravg16W+adMSkVtB2OeEKetEQYZY08LjxhNpd8rJHnGlfAJJMqEGzNiREPgIofH67y040opTuY95AIqdxSbrz66YwJFnIMghsGEIyee2b4qsPeHj5xERXB+w1uP81nG5A454uo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755227158; c=relaxed/simple; bh=b4zHBI2+pf27VFS+Vi8naqMys1qCuA8w3Yvh9ogNlgo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=svjkCuGARfZArSZ7cW7f9qfy4h36DcVlgU10L4sucQNPD3bAdnmgzUljQho/+pYURsLGvaPHKwJahuOW+UbG70AEzymfpGKglmQqTIOl7xYzZ+LgEoS4fGUMbXhhB4qwfT6MgelSyTUJ1HhmH8X/9Rtl2bmbAVJ/8pXQ5gMNIjY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=mLEHdXck; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="mLEHdXck" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=202503; t=1755227144; bh=sai+f5ZM+SaZrB5rzQ6nDiet5Sd8Fwy/41BiKNKv4xY=; h=Date:From:To:Cc:Subject:From; b=mLEHdXckvfEXPR7XLVknALmuRSSANBA2gyOdY5AxylJgc22Gdko0NcTi73pXeXe4i TYM9dN0lU0s9VUZuCHudml7VuwQ0MkLxyRyiu21uas0thPnvZa9yj0RizgxRWSF5Wb RuZoOLLJbBpZ0rtN5t+2a+JWo5PZN/JKFA3Itt7+Vwv3kdR8vaCOjevdhRRFjyViTm 1zezO27ErbxCoZT4NS+kdhTDp9U3OVvf8/TqnGaWmfiAYxvSo+3oDYsHt3q18GUc7L /i/3yQkX2XwstJSIT79L37b7bHXh1cA27zwUdAOUK45Wb6CK2ObhlTDSsY3LvYgcGt ZUdszYH/nBFng== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4c36S83Vzlz4wbn; Fri, 15 Aug 2025 13:05:44 +1000 (AEST) Date: Fri, 15 Aug 2025 13:05:43 +1000 From: Stephen Rothwell To: Alasdair G Kergon , Mike Snitzer Cc: Dongsheng Yang , Mikulas Patocka , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the device-mapper tree Message-ID: <20250815130543.3112144e@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/nYzBKBF7BSRP70jifWY8Kfq"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/nYzBKBF7BSRP70jifWY8Kfq Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Hi all, After merging the device-mapper tree, today's linux-next build (htmldocs) failed like this: Sphinx parallel build error: docutils.utils.SystemMessage: Documentation/admin-guide/device-mapper/dm-pc= ache.rst:27: (SEVERE/4) Title overline & underline mismatch. ---------------------------------------------------------------------------= ---- Constructor =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Caused by commit 6fb8fbbaf147 ("dm-pcache: add persistent cache target in device-mapper") I have applied the following fix patch for today (there may be better). From: Stephen Rothwell Date: Fri, 15 Aug 2025 13:01:51 +1000 Subject: [PATCH] fix up for "dm-pcache: add persistent cache target in device-mapper" Sphinx parallel build error: docutils.utils.SystemMessage: Documentation/admin-guide/device-mapper/dm-pc= ache.rst:27: (SEVERE/4) Title overline & underline mismatch. Signed-off-by: Stephen Rothwell --- Documentation/admin-guide/device-mapper/dm-pcache.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/admin-guide/device-mapper/dm-pcache.rst b/Docume= ntation/admin-guide/device-mapper/dm-pcache.rst index e6433fab7bd6..550026219a6f 100644 --- a/Documentation/admin-guide/device-mapper/dm-pcache.rst +++ b/Documentation/admin-guide/device-mapper/dm-pcache.rst @@ -25,6 +25,7 @@ Quick feature summary * *Log-structured write-back* that preserves backend crash-consistency =20 --------------------------------------------------------------------------= ----- + Constructor =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 @@ -58,6 +59,7 @@ The first time a pmem device is used, dm-pcache formats i= t automatically (super-block, cache_info, etc.). =20 --------------------------------------------------------------------------= ----- + Status line =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 @@ -98,6 +100,7 @@ Field meanings =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D =20 --------------------------------------------------------------------------= ----- + Messages =3D=3D=3D=3D=3D=3D=3D=3D =20 @@ -108,6 +111,7 @@ Messages dmsetup message 0 gc_percent <0-90> =20 --------------------------------------------------------------------------= ----- + Theory of operation =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 @@ -152,6 +156,7 @@ range when it is inserted and stores it in the on-media= key. Reads validate the CRC before copying to the caller. =20 --------------------------------------------------------------------------= ----- + Failure handling =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 @@ -164,6 +169,7 @@ Failure handling use-after-free keys. =20 --------------------------------------------------------------------------= ----- + Limitations & TODO =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 @@ -173,6 +179,7 @@ Limitations & TODO * Discard planned. =20 --------------------------------------------------------------------------= ----- + Example workflow =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 @@ -197,5 +204,6 @@ Example workflow dmsetup remove pcache_sdb =20 --------------------------------------------------------------------------= ----- + ``dm-pcache`` is under active development; feedback, bug reports and patch= es are very welcome! --=20 2.50.1 --=20 Cheers, Stephen Rothwell --Sig_/nYzBKBF7BSRP70jifWY8Kfq Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmiepAcACgkQAVBC80lX 0GzJyQf9GgfxFmFvN9sKgIEi9K4S8GZ8iGAclxTlsm4Rh9aqKVSvDiy3dgMqKjwP pzwTNyaji3FdGfzhpbiA/gdUb6wXX3cUC3ac2ECyhSTUdM/Bj4IIP/A0M1sqfv5u T7GmZtGNAwapTHSWJJ+48bi/PYfYJgJmLi46FpQcLmxLVsMxK7kDeomOhwacn+hV 0EyVl6b/obBFuIjMhGjP+Z5xws1z+bCiFdcdHQDXmceclu49gFAm7MFUPINHwy79 sF/WvuF2zmwpRrYlUdpoxyDml6xei4vkpu/mGsyvzI1rQHuL4pbFB2djyt2YHpK8 CgLWXbE+KfJiUxxpkZd9tOmkWz39mA== =E7hz -----END PGP SIGNATURE----- --Sig_/nYzBKBF7BSRP70jifWY8Kfq--