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From: Eric Paris <eparis-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Jamie Lokier <jamie-yetKDKU6eevNLxjTenLetw@public.gmane.org>
Cc: Andreas Dilger <adilger-xsfywfwIY+M@public.gmane.org>,
	jack-AlSwsSmVLrQ@public.gmane.org,
	jengelh-nopoi9nDyk+ELgA04lAiVw@public.gmane.org,
	pavel-AlSwsSmVLrQ@public.gmane.org,
	alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org,
	malware-list-h+Im9A44IAFcMpApZELgcQ@public.gmane.org,
	mrkafk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org,
	jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	alexl-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	arjan-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	david-gFPdbfVZQbY@public.gmane.org,
	Valdis.Kletnieks-PjAqaU27lzQ@public.gmane.org,
	douglas.leeder-j34lQMj1tz/QT0dZR+AlfA@public.gmane.org,
	aviro-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: fanotify - overall design before I start sending patches
Date: Wed, 29 Jul 2009 16:14:15 -0400	[thread overview]
Message-ID: <1248898455.2597.59.camel@localhost> (raw)
In-Reply-To: <20090727192342.GA27895-yetKDKU6eevNLxjTenLetw@public.gmane.org>

On Mon, 2009-07-27 at 20:23 +0100, Jamie Lokier wrote:
> Andreas Dilger wrote:
> > On Jul 25, 2009  01:29 +0100, Jamie Lokier wrote:
> > > Eric Paris wrote:

> What's wrong with fanotify-using applications generating events when
> they modify files themselves?
> 
> An example was given where app A gets an event and modifies the file,
> then app B gets an event and modifies the file, and app A... cycling.

No the example was the 'open' which the kernel does on behalf of the
listener.  I'm thinking now I should only exclude

OPEN
OPEN_PERM
ACCESS_PERM

as those are the only 3 event types I can see deadlock/recursion
problems with.

  parent reply	other threads:[~2009-07-29 20:14 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-24 20:13 fanotify - overall design before I start sending patches Eric Paris
2009-07-24 20:48 ` david-gFPdbfVZQbY
     [not found]   ` <alpine.DEB.1.10.0907241340580.28013-Z4YwzcCRHZnr5h6Zg1Auow@public.gmane.org>
2009-07-24 21:01     ` Eric Paris
2009-07-24 21:44       ` Jamie Lokier
2009-07-27 17:52         ` Evgeniy Polyakov
2009-07-29 20:11           ` Eric Paris
2009-07-24 21:00 ` Andreas Dilger
2009-07-24 21:21   ` Eric Paris
2009-07-24 22:42     ` Andreas Dilger
2009-07-24 23:01       ` Jamie Lokier
2009-07-24 22:48 ` Jamie Lokier
     [not found]   ` <20090724224813.GK27755-yetKDKU6eevNLxjTenLetw@public.gmane.org>
2009-07-24 23:25     ` Eric Paris
2009-07-24 23:46       ` Jamie Lokier
2009-07-24 23:49     ` Eric Paris
2009-07-25  0:29       ` Jamie Lokier
2009-07-27 18:33         ` Andreas Dilger
2009-07-27 19:23           ` Jamie Lokier
2009-07-28 17:59             ` Andreas Dilger
     [not found]             ` <20090727192342.GA27895-yetKDKU6eevNLxjTenLetw@public.gmane.org>
2009-07-29 20:14               ` Eric Paris [this message]
     [not found]           ` <20090727183354.GM4231-RIaA196FMs1uuQVovAj/GogTZbYi8/ss@public.gmane.org>
2009-07-29 20:12             ` Eric Paris
2009-07-29 20:07         ` Eric Paris
2009-07-27 16:54     ` Jan Kara
2009-07-25 14:22 ` Niraj kumar
2009-07-29 20:08   ` Eric Paris
2009-07-28 11:48 ` Jon Masters
     [not found]   ` <1248781708.14145.21.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-29 20:20     ` Eric Paris
2009-08-03 16:23 ` Christoph Hellwig
     [not found]   ` <20090803162303.GA31058-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2009-08-03 16:55     ` Eric Paris
2009-08-03 18:04       ` Christoph Hellwig
     [not found]         ` <20090803180437.GA9798-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2009-08-03 18:13           ` Eric Paris
2009-08-04 16:09 ` Tvrtko Ursulin
     [not found]   ` <200908041709.51659.tvrtko.ursulin-j34lQMj1tz/QT0dZR+AlfA@public.gmane.org>
2009-08-04 16:27     ` Eric Paris
2009-08-04 16:39       ` Tvrtko Ursulin
     [not found]       ` <1249403268.2361.21.camel-8EcGF3LoIElviLIMxPk1+R/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2009-08-04 17:22         ` Valdis.Kletnieks-PjAqaU27lzQ
     [not found]           ` <19585.1249406551-+bZmOdGhbsPr6rcHtW+onFJE71vCis6O@public.gmane.org>
2009-08-04 18:20             ` John Stoffel
     [not found]               ` <19064.31705.491774.122207-HgN6juyGXH5AfugRpC6u6w@public.gmane.org>
2009-08-04 18:50                 ` Eric Paris
2009-08-05  9:32               ` Tvrtko Ursulin
2009-08-04 16:34 ` Tvrtko Ursulin
     [not found]   ` <200908041734.05762.tvrtko.ursulin-j34lQMj1tz/QT0dZR+AlfA@public.gmane.org>
2009-08-05 10:12     ` Douglas Leeder
2009-08-05 10:35   ` Douglas Leeder
2009-08-05  2:05 ` Pavel Machek
2009-08-05 16:46   ` Tvrtko Ursulin
     [not found]     ` <200908051746.17903.tvrtko.ursulin-j34lQMj1tz/QT0dZR+AlfA@public.gmane.org>
2009-08-06 10:10       ` Pavel Machek
2009-08-06 10:20         ` Tvrtko Ursulin
2009-08-06 10:24           ` Pavel Machek
     [not found]         ` <20090806101059.GD31370-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2009-08-06 10:20           ` Douglas Leeder
2009-08-06 10:22             ` Pavel Machek
2009-08-07  8:59               ` Jamie Lokier
2009-08-06 10:29             ` Peter Zijlstra
2009-08-06 10:59               ` Tvrtko Ursulin
2009-08-06 11:23                 ` Peter Zijlstra
2009-08-06 12:48                   ` Tvrtko Ursulin
     [not found]                     ` <200908061348.43625.tvrtko.ursulin-j34lQMj1tz/QT0dZR+AlfA@public.gmane.org>
2009-08-06 12:58                       ` Alan Cox
     [not found]                         ` <20090806135800.7ccb7787-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2009-08-06 18:18                           ` Eric Paris
2009-08-06 13:50                   ` Kernel Event Notification Subsystem (was: fanotify - overall design before I start sending patches) Al Boldi
2009-08-06 13:50                   ` Al Boldi
2009-08-06 18:18                   ` fanotify - overall design before I start sending patches Eric Paris
2009-08-07 16:36                     ` Miklos Szeredi
     [not found]                       ` <E1MZSQZ-0002as-FA-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2009-08-07 17:43                         ` Eric Paris
2009-08-08 10:36                           ` Pavel Machek
2009-08-10 10:03                           ` Miklos Szeredi
     [not found]                     ` <1249582695.20644.35.camel-8EcGF3LoIElviLIMxPk1+R/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2009-08-08 10:34                       ` Pavel Machek
     [not found]                 ` <200908061159.45550.tvrtko.ursulin-j34lQMj1tz/QT0dZR+AlfA@public.gmane.org>
2009-08-06 11:24                   ` Pavel Machek

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