maindavfs2 - Support: sr #108347, inotify and davfs2 mount

 
 

sr #108347: inotify and davfs2 mount

Submitter:  None
Submitted:  Tue 30 Jul 2013 07:00:09 AM UTC
   
 
Category:  None Priority:  5 - Normal
Severity:  3 - Normal Status:  Wont Do
Privacy:  Public Assigned to:  _71007
Originator Email:  -email is unavailable- Open/Closed:  Closed
Operating System:  GNU/Linux
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Thu 01 Aug 2013 07:06:58 PM UTC, comment #2: 

Hi, OP here.
Ok, I think I get it.  Missed the fact that WebDav is different from mirroring services like Dropbox and alike.  It is a mount or view of a remote file-system.  As such I understand constant polling will not be beneficial.

Anonymous
Tue 30 Jul 2013 05:25:16 PM UTC, comment #1: 

I'm not familiar with inotify, so correct me if I'm wrong:

inotify is part of the Linux Virtual File System. For all local filesystem calls it works without any need of support from the underlying file systems like fuse and davfs2.

What will not work will be notifications about changes that happen on the remote backend and which are therefore not seen by the local file system interface. To make this work would require
- inotify support in fuse. fuse would have to notice inotify requests, forward them to davfs2 and provide a way for davfs2 to send notifications to fuse.
- a lot of polling on the remote server. The WebDav protocol (HTTP) does not know of any notification service. So watching some files would require davfs2 to produce a lot of traffic. I doubt that the benefit would make up for the costs.

Werner

- <_71007>
Tue 30 Jul 2013 07:00:09 AM UTC, original submission:  

When mounting a webdav service to a local location no
 "inotify" events are generated when files are added, removed or updated in the mount.
Is this intended?

Anonymous

 

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  • -email is unavailable- added by _71007 (Posted a comment)
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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2014-04-22 _71007 Open/ClosedOpen Closed
    2013-08-03 _71007 StatusIn Progress Wont Do
    2013-07-30 _71007 StatusNone In Progress
        Assigned toNone _71007

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