Subject: bug#35418: [PATCH] Don't poll auto-revert files that use notification

From: Eli Zaretskii <[email-masked]>
Date: Tue, 30 Apr 2019 18:14:29 +0300

> From: Mattias Engdegård <[email-masked]>
> Date: Mon, 29 Apr 2019 20:58:15 +0200
> Cc: Eli Zaretskii <[email-masked]>, [email-masked]
> 
> A file has three hard links, /dir1/a, /dir1/b and /dir2/c. Then:
> 
> - A watch set on /dir1/a will report changes made to the file via any of the three links (kqueue, inotify).
> - A watch set on /dir1 will report changes made to the file via /dir1/a and /dir1/b, but not /dir2/c (inotify).

Just FTR, w32notify reports changes made through any of the 3 links
when it watches dir1.  This is consistent with MS documentation, which
says that changing the file's data are reflected to all the hard links
immediately.