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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 A1C75C433FF for ; Tue, 30 Jul 2019 01:50:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 742E62171F for ; Tue, 30 Jul 2019 01:50:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eltNGhHd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730961AbfG3Buw (ORCPT ); Mon, 29 Jul 2019 21:50:52 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:36624 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730918AbfG3Bul (ORCPT ); Mon, 29 Jul 2019 21:50:41 -0400 Received: by mail-pl1-f193.google.com with SMTP id k8so28231701plt.3; Mon, 29 Jul 2019 18:50:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=B53kfNAL5bPehU6SpckbeuA1BwDTxczPn/Y5JPnbD6I=; b=eltNGhHdxejXM79qXFqifZMz3c9fD/tHWJqdYrJnjpWpRXTApoIF6g3lgi8ELjYpkm WuD26NHfwxy2wLBeTgJHcAw5qX6l1WaxdGOZupq1cjJ6QHBlqGIyuz20MTzaO5M3PTin G8jAkZ36iwHdVjHvXowRGWPGjBqjXCALDnj1IDslzPEUwXWSyiLjgFI8xgGOBtglRzBM VndPR4HjWJMnQZKKn5dX3CPnddEaxI0TNj8m4dANAY5db6oTtrPvlAAltRadS9wZ7jwN kdwxg9HM3PF39JUUhGkmI5Ul8vcYxCfuVZCOXbAJOH4tAVZZArwflc5KsohHLjSuLpVp 5Crg== 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:in-reply-to :references; bh=B53kfNAL5bPehU6SpckbeuA1BwDTxczPn/Y5JPnbD6I=; b=ejau2OOcjCEtEYmnpVsBnndw2KLoeXbQY7GoRV8JX07d7yPdIL9u9RFNlgbIf6m2hJ UOz26O3321H24MlJl/N6RLMXhMEUVrzV5Oa+nEQZfDmXZnhk9xQ3tW1RdU37X2LyEQv2 iaypv32jcsZUyrkY7R04Sq9fVjLCATsKcxYr7mIJE8Bb3fHGBVLibk4ZEppmCIN7Po6U QlpT9Iubd0+7+xY7oaR3R0rIC4sbNywgSQSCHdQWaU6SzprjqU7kjy5xtiQkwdeYeGJs Css7RHLDPD8NTwldnq1wUUdsAKtR6NpxDDlARX1MDla78fM2z0RuZxsJkVQekvYOrejl APfA== X-Gm-Message-State: APjAAAVgT56f0Ai0PguXo9gmQ1+OjZTVSB8bL95HVsRehFf0SiagkFP9 j9Q9OUaA9MfrlJyTKMngIDo= X-Google-Smtp-Source: APXvYqzBrmFYzI1gA3MEAy0sqbGPWC4ZXkGLgmkSkfkzYyNBaIrlOjsnhxJve8s7Brg31n/F6xooVw== X-Received: by 2002:a17:902:2d01:: with SMTP id o1mr115526266plb.105.1564451440882; Mon, 29 Jul 2019 18:50:40 -0700 (PDT) Received: from deepa-ubuntu.lan (c-98-234-52-230.hsd1.ca.comcast.net. [98.234.52.230]) by smtp.gmail.com with ESMTPSA id r6sm138807156pjb.22.2019.07.29.18.50.40 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 29 Jul 2019 18:50:40 -0700 (PDT) From: Deepa Dinamani To: viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, arnd@arndb.de, y2038@lists.linaro.org Subject: [PATCH 20/20] isofs: Initialize filesystem timestamp ranges Date: Mon, 29 Jul 2019 18:49:24 -0700 Message-Id: <20190730014924.2193-21-deepa.kernel@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190730014924.2193-1-deepa.kernel@gmail.com> References: <20190730014924.2193-1-deepa.kernel@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fill in the appropriate limits to avoid inconsistencies in the vfs cached inode times when timestamps are outside the permitted range. Reference: http://www.ecma-international.org/publications/standards/Ecma-119.htm Signed-off-by: Deepa Dinamani --- fs/isofs/inode.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 9e30d8703735..62c0462dc89f 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -30,6 +30,9 @@ #include "isofs.h" #include "zisofs.h" +/* max tz offset is 13 hours */ +#define MAX_TZ_OFFSET (52*15*60) + #define BEQUIET static int isofs_hashi(const struct dentry *parent, struct qstr *qstr); @@ -801,6 +804,10 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent) */ s->s_maxbytes = 0x80000000000LL; + /* ECMA-119 timestamp from 1900/1/1 with tz offset */ + s->s_time_min = mktime64(1900, 1, 1, 0, 0, 0) - MAX_TZ_OFFSET; + s->s_time_max = mktime64(U8_MAX+1900, 12, 31, 23, 59, 59) + MAX_TZ_OFFSET; + /* Set this for reference. Its not currently used except on write which we don't have .. */ -- 2.17.1