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RE: Filesystem-dev Digest, Vol 107, Issue 4
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RE: Filesystem-dev Digest, Vol 107, Issue 4


  • Subject: RE: Filesystem-dev Digest, Vol 107, Issue 4
  • From: Tony Mason <email@hidden>
  • Date: Mon, 05 Dec 2016 20:40:19 +0000
  • Thread-topic: Filesystem-dev Digest, Vol 107, Issue 4

Leave filesystem-dev

-----Original Message-----
From: filesystem-dev-bounces+mason=email@hidden [mailto:filesystem-dev-bounces+mason=email@hidden] On Behalf Of email@hidden
Sent: Monday, December 5, 2016 3:00 PM
To: email@hidden
Subject: Filesystem-dev Digest, Vol 107, Issue 4

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Today's Topics:

   1. Re: problem with updates to file last modified time
      (Quinn "The Eskimo!")


----------------------------------------------------------------------

Message: 1
Date: Mon, 05 Dec 2016 07:46:12 +0000
From: "Quinn \"The Eskimo!\"" <email@hidden>
To: email@hidden
Subject: Re: problem with updates to file last modified time
Message-ID: <email@hidden>
Content-Type: text/plain; charset=us-ascii


On 3 Dec 2016, at 21:55, Thomas Tempelmann <email@hidden> wrote:

> FAT is 2s, IIRC. (correct me if I'm wrong)

Right.

> Date resolution:
>
> 2 seconds for last modified time,
> 10 ms for creation time,
> 1 day for access date,
> 2 seconds for deletion time

<https://en.wikipedia.org/wiki/File_Allocation_Table>

                   *                   *                   *

Looking to the future, APFS has 1 ns timestamps.

<https://developer.apple.com/library/content/documentation/FileManagement/Conceptual/APFS_Guide/VolumeFormatComparison/VolumeFormatComparison.html#//apple_ref/doc/uid/TP40016999-CH8-DontLinkElementID_21>

Share and Enjoy
--
Quinn "The Eskimo!"                    <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware





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