Messages in this thread | | | Date | Mon, 03 Nov 2014 19:21:43 +0100 | From | Heinrich Schuchardt <> | Subject | Re: A desktop environment[1] kernel wishlist |
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On 31.10.2014 10:36, Jan Kara wrote: > On Mon 27-10-14 20:02:51, Sergey "Shnatsel" Davidoff wrote: >>> If "recursive mtime" was available, would that work for you? >> >> It would work for detecting "offline" changes. I suppose recursive >> mtime not viable for online monitoring, mostly because detecting file >> renaming would be a massive PITA (and we already have fanotify with >> exactly this problem). > Yes, you'll get only "something has changed in a subtree" information for > each directory. You'd then have to rescan the directory to find out what > has changed. But there's no simple solution for this - either you have to > process tons of events for busy directory tree or you have to somehow > reduce the amount of information provided to userspace...
If inotify_add_watch() would allow to mark a complete mount (like fanotify_mark() called with FAN_MOUNT) events for all files on this mount could be detected. If furthermore inotify_read() would return the complete relative path of the changed file relative to the mount in inotify_event->name, it would be obvious what the meaning of the event is.
Best regards
Heinrich Schuchardt
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