[PATCH] D54826: [Support/FileSystem] Add sub-second precision for atime/mtime of sys::fs::file_status on unix platforms

[Aaron Ballman via Phabricator via llvm-commits]

aaron.ballman added a comment.

In D54826#1307420 <https://reviews.llvm.org/D54826#1307420>, @kristina wrote:

> With regards to UNIX-style access/modification times, the options are to find a uniform duration for all file-systems that is clamped to the one with lowest precision (like 1us), or just settle for this as-is. Though having this documented would be good, going on a hunt to determine the quirks of each possible file-system may be pretty difficult, especially considering some may allow tuning of those values.


Yeah, I agree that some simple comments here should suffice. We don't need to document the behavior of each file system, just some words to remind people that file systems can differ should work fine.


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