Re: Mounted cifs share and repeat=watch bidirectional sync

Tõivo Leedjärv <[email protected]> Sat, 11 Jan 2025 13:18:43 +0100
Newsgroups gmane.network.unison.general
Message-ID <CAALvpZQE2GPG-5-0Py=jy9FMbZFhxjs6Qht1x4N0c_j4+PCdng@mail.gmail.com>
On Thu, 9 Jan 2025 at 13:14, Greg Troxel <[email protected]> wrote:
>
> To learn about changes from off machine writers, CIFS would have
> to basically implement an inotify-like mechanisms at the CIFS level, so
> that the request to watch could be relayed to the fileserver, and
> notifications sent back.

Without knowing any details, after a very basic search I believe this
is exactly what is happening in the SMB protocol (at least for
versions >= 2).
"File and directory change notification. CIFS clients can post a
request to be notified when a change is made to a file within a
directory or directory tree on the server."
https://urldefense.com/v3/__https://learn.microsoft.com/en-us/windows/win32/fileio/microsoft-smb-protocol-and-cifs-protocol-overview__;!!IBzWLUs!VzfbiZzSTIaDOGCbwwS5viWSac9QKFiPpKDtyUNqQJOJniRU_TCh70cP-SWT_X8X5YfhlNNCzwvN82lCHDQv2Q$ 

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