On Mon, Dec 7, 2020 at 10:52 AM Antoine Pitrou <solip...@pitrou.net> wrote:
> On Mon, 7 Dec 2020 16:19:02 +0000 > David Mertz <me...@gnosis.cx> wrote: > > Are there any filesystems that can actually record a meaningful ns > > modification time? I find discussions claiming this: > > > > - XFS and EXT3: second precision > > - EXT4: millisecond precision > > - NTFS: 100ns precision > > - APFS: 1 ns precision > > > > But also notes that the precision is likely to exceed the accuracy by > many > > times on real systems. > > Even if the accuracy is much lower than that, it can be important to > reproduce exact timestamps. > EG GNU tar --diff
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