From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 135EBC433DB for ; Mon, 8 Feb 2021 21:57:33 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6E38C64E6E for ; Mon, 8 Feb 2021 21:57:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E38C64E6E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=canonical.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AA5376B0005; Mon, 8 Feb 2021 16:57:31 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A581C6B006C; Mon, 8 Feb 2021 16:57:31 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8F7676B006E; Mon, 8 Feb 2021 16:57:31 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0031.hostedemail.com [216.40.44.31]) by kanga.kvack.org (Postfix) with ESMTP id 7A5966B0005 for ; Mon, 8 Feb 2021 16:57:31 -0500 (EST) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 498AA18063C13 for ; Mon, 8 Feb 2021 21:57:31 +0000 (UTC) X-FDA: 77796462702.27.road42_1e0452027602 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin27.hostedemail.com (Postfix) with ESMTP id 1EE273D663 for ; Mon, 8 Feb 2021 21:57:31 +0000 (UTC) X-HE-Tag: road42_1e0452027602 X-Filterd-Recvd-Size: 3933 Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Feb 2021 21:57:30 +0000 (UTC) Received: from mail-oo1-f70.google.com ([209.85.161.70]) by youngberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1l9EXA-0004lX-RY for linux-mm@kvack.org; Mon, 08 Feb 2021 21:57:29 +0000 Received: by mail-oo1-f70.google.com with SMTP id g21so215081ooa.8 for ; Mon, 08 Feb 2021 13:57:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=slTd59I7Y8E1WEkwRd821CTDk7j9skLtmaaFeE6az84=; b=HVwMsNSOsq2yluip4O53bYC7neZkn+Hzp8+T0n9r4ecL7SpfOOnkQNiDqWezaRkCM6 JSR3s1dA5vALXOytHQcBy/VI7QXwaretyKs7xX7typzMKbLmK8w//tOdnfKU12Zg3mCu poiDhO94T+iWKku5HZ1UFvSZMO/FPydp3rDVxBOd+a2kzm1ngzv9afV8qvtXoTyihQqd cbpouAkZ+nTIhcg4JtD7u53S8qyNQ8orMcpwE9bBBn4r8nANuQAm0ryg+shlYvtzeI0J o/CJYInDpHePViELpfYBo1cwq1TrwXQPKz98zW8ijc4Nnc5HGqtFOinHUl0auLSl4RXC ohBA== X-Gm-Message-State: AOAM533pUn14OtFZKa0iyKXCE4qIiXHQ2uCkunVFFBV5Gsl9QZnq6RHW GQzvJ/ZqFMR+24MlXRknXS2dTOznfpPkFQCTOyarEBZd6MkCfUrT3FAyliFTtBL8wMAsCI28nHm F4eex2Q9hlB8W00Y59oxm2T5iyZFb X-Received: by 2002:aca:52c3:: with SMTP id g186mr547248oib.136.1612821447897; Mon, 08 Feb 2021 13:57:27 -0800 (PST) X-Google-Smtp-Source: ABdhPJzdmxPQ0LjgXEXekhxPlC8Xp1x895S5NdnL8KBPc+KE+eBLEBoYWh33hbrIv2kwqD1i89kT+w== X-Received: by 2002:aca:52c3:: with SMTP id g186mr547233oib.136.1612821447721; Mon, 08 Feb 2021 13:57:27 -0800 (PST) Received: from localhost ([2605:a601:ac0f:820:953a:a460:6ddc:bef4]) by smtp.gmail.com with ESMTPSA id g3sm3839161ooi.28.2021.02.08.13.57.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Feb 2021 13:57:26 -0800 (PST) From: Seth Forshee To: Andrew Morton Cc: Chris Down , Amir Goldstein , Richard Henderson , Ivan Kokshaysky , Matt Turner , linux-mm@kvack.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH] tmpfs: disallow CONFIG_TMPFS_INODE64 on alpha Date: Mon, 8 Feb 2021 15:57:26 -0600 Message-Id: <20210208215726.608197-1-seth.forshee@canonical.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: As with s390, alpha is a 64-bit architecture with a 32-bit ino_t. With CONFIG_TMPFS_INODE64=3Dy tmpfs mounts will get 64-bit inode numbers and display "inode64" in the mount options, whereas passing "inode64" in the mount options will fail. This leads to erroneous behaviours such as this: # mkdir mnt # mount -t tmpfs nodev mnt # mount -o remount,rw mnt mount: /home/ubuntu/mnt: mount point not mounted or bad option. Prevent CONFIG_TMPFS_INODE64 from being selected on alpha. Fixes: ea3271f7196c ("tmpfs: support 64-bit inums per-sb") Cc: stable@vger.kernel.org # v5.9+ Signed-off-by: Seth Forshee --- fs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/Kconfig b/fs/Kconfig index 3347ec7bd837..da524c4d7b7e 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -203,7 +203,7 @@ config TMPFS_XATTR =20 config TMPFS_INODE64 bool "Use 64-bit ino_t by default in tmpfs" - depends on TMPFS && 64BIT && !S390 + depends on TMPFS && 64BIT && !(S390 || ALPHA) default n help tmpfs has historically used only inode numbers as wide as an unsigned --=20 2.29.2