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From: Ronald Natalie <ron@ronnatalie.com>
To: "Erik E. Fair" <fair-tuhs@netbsd.org>
Cc: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] Unix filesystem semantics history - files with holes
Date: Thu, 11 Apr 2019 01:28:57 -0400
Message-ID: <0FA98B50-9800-48A8-8B19-D070D17767AF@ronnatalie.com> (raw)
In-Reply-To: <3993.1554950225@cesium.clock.org>

Define large?  It appears that filesystems going back to Research V4 supported sparse files.    The maximum file size went up from 2**24 in V6 to 2**32 in V7, and then broke that barrier in several of the subsequent file systems.

> On Apr 10, 2019, at 10:37 PM, Erik E. Fair <fair-tuhs@netbsd.org> wrote:
> 
> When did the Unix filesystem add the semantics for "files with holes" (large,
> sparse files)?
> 
> Just an idle question that was sparked by a conversation I had today.
> 
> 	Erik <fair@clock.org>


  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-11  2:37 Erik E. Fair
2019-04-11  5:28 ` Ronald Natalie [this message]
2019-04-11 15:57 Richard Tobin
2019-04-11 19:09 ` William Corcoran
2019-04-11 19:49 ` Bakul Shah

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