Re: inotify, new idea?

[Richard Weinberger]

On Fri, Apr 18, 2014 at 6:15 AM, Michael Kerrisk <mtk.manpages@xxxxxxxxx> wrote:
> On Thu, Apr 17, 2014 at 11:28 PM, Lennart Sorensen
> <lsorense@xxxxxxxxxxxxxxxxxxx> wrote:
>> On Thu, Apr 17, 2014 at 11:00:37PM +0200, Jos Huisken wrote:
>>> I was trying to maintain a local and remote directory in sync with
>>> lsync, using inotify.
>>> I happen to have >4M files and >400k directories... running over
>>> /proc/sys/fs/inotify/max_user_watches
>>
>> Would fanotify perhaps be a better interface to use?
>
> (One of us is misunderstanding fanotify; it might be me.)
>
> Did you look at fanotify closely? I don't think it could be used for
> this task -- does not notify linka dn unlink events, difficult to set
> up recursive monitoring, etc.

Does recursive monitoring even work with inotify?
Last time I've tried it did failed as soon I did a mkdir -p a/b/c/d because
mkdir() raced against the thread which installes the new watches.

-- 
Thanks,
//richard
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