From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [PATCH 1/1] fanotify.7: double mounted paths Date: Tue, 28 Oct 2014 13:02:12 +0100 Message-ID: <544F85C4.5070404@gmail.com> References: <1414094958-3584-1-git-send-email-xypron.glpk@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1414094958-3584-1-git-send-email-xypron.glpk-Mmb7MZpHnFY@public.gmane.org> Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Heinrich Schuchardt Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org On 10/23/2014 10:09 PM, Heinrich Schuchardt wrote: > Unfortunately fanotify does not inform listeners for all paths > under which a touched file system object is visible > but only the listener using the same path as the process > touching the file system object. Hi Heinrich I applied this patch, and then did some tweaking which you can see in Git. I also gave the patch what I hope is a more meaningful title: fanotify notifies only events generated on the same mount Cheers, Michael > Signed-off-by: Heinrich Schuchardt > --- > man7/fanotify.7 | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/man7/fanotify.7 b/man7/fanotify.7 > index bc5a11c..7f915c2 100644 > --- a/man7/fanotify.7 > +++ b/man7/fanotify.7 > @@ -488,6 +488,14 @@ In this case, events are lost. > As of Linux 3.17, > the following bugs exist: > .IP * 3 > +On Linux a file system object may be accessible through multiple paths, > +e.g. a part of the file system may be remounted using > +.B mount (8) > +--bind. > +A listener that marked a mount will only be notified of events that were > +triggered for a file system object using the same mount. > +Any other event will pass unnoticed. > +.IP * > .\" FIXME . A patch was proposed. > When an event is generated, > no check is made to see whether the user ID of the > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html