From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 19277 invoked from network); 9 Mar 2023 17:36:02 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 9 Mar 2023 17:36:02 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 74E53412CE; Fri, 10 Mar 2023 03:35:58 +1000 (AEST) Received: from freefriends.org (freefriends.org [96.88.95.60]) by minnie.tuhs.org (Postfix) with ESMTPS id 2A7E5412A2 for ; Fri, 10 Mar 2023 03:35:51 +1000 (AEST) X-Envelope-From: arnold@skeeve.com Received: from freefriends.org (freefriends.org [96.88.95.60]) by freefriends.org (8.14.7/8.14.7) with ESMTP id 329HZitN004193 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 9 Mar 2023 10:35:44 -0700 Received: (from arnold@localhost) by freefriends.org (8.14.7/8.14.7/Submit) id 329HZh17004192; Thu, 9 Mar 2023 10:35:43 -0700 From: arnold@skeeve.com Message-Id: <202303091735.329HZh17004192@freefriends.org> X-Authentication-Warning: frenzy.freefriends.org: arnold set sender to arnold@skeeve.com using -f Date: Thu, 09 Mar 2023 10:35:43 -0700 To: ron@ronnatalie.com, kennethgoodwin56@gmail.com, jnc@mercury.lcs.mit.edu References: <20230308131008.0C2D018C07B@mercury.lcs.mit.edu> In-Reply-To: User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID-Hash: 4AZ66N4NKTGS56XF74YC34ZECM7SKQP5 X-Message-ID-Hash: 4AZ66N4NKTGS56XF74YC34ZECM7SKQP5 X-MailFrom: arnold@skeeve.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: tuhs@tuhs.org X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: 'Huge' file support removed from PWB1 List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: "Ron Natalie" wrote: > Version 7 came around with a different filesystem layout. File sizes > were 32 bits, and the disk block indexes were 24 bits. The latter was > stored as a series of bytes on the disk but expanded into longs in > memeory. > There was no large bit anymore. The first 8 blocks addresses in the > inode were always single indirect, the next two were single indirect, > and the last one was double indirect. (If my memory serves me right) Wasn't there a triple-indirect block as the very last one? Arnold