From: Evgeniy Polyakov <zbr@ioremap.net>
To: Jamie Lokier <jamie@shareable.org>
Cc: Eric Paris <eparis@redhat.com>,
david@lang.hm, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, malware-list@dmesg.printk.net,
Valdis.Kletnieks@vt.edu, greg@kroah.com, jcm@redhat.com,
douglas.leeder@sophos.com, tytso@mit.edu, arjan@infradead.org,
jengelh@medozas.de, aviro@redhat.com, mrkafk@gmail.com,
alexl@redhat.com, jack@suse.cz, tvrtko.ursulin@sophos.com,
a.p.zijlstra@chello.nl, hch@infradead.org,
alan@lxorguk.ukuu.org.uk, mmorley@hcl.in
Subject: Re: fanotify - overall design before I start sending patches
Date: Mon, 27 Jul 2009 21:52:25 +0400 [thread overview]
Message-ID: <20090727175225.GA27999@ioremap.net> (raw)
In-Reply-To: <20090724214401.GJ27755@shareable.org>
Hi.
On Fri, Jul 24, 2009 at 10:44:01PM +0100, Jamie Lokier (jamie@shareable.org) wrote:
> > No, I will NOT EVER pass a pathname. Period. End of story. I stated
> > the if userspace wants to deal with pathnames (and they understand the
> > system setup well enough to know if pathnames even make sense to them)
> > they can use readlink(2) on /proc/self/fd
>
> That makes sense.
>
> In most cases where events trigger userspace cache or index updates,
> userspace already has enough information to calculate the path (and
> any derived data) from the inode number (in the case of non-hard-link
> files) or from the inode number of the parent directory and the name
> (not full path).
Except that rlimits may forbid to open new file descriptor while queue
length is enough to put another event with the full or partial path
name.
I will read initial mail next, but if it is not described there, how
rlimit problem is handled?
--
Evgeniy Polyakov
next prev parent reply other threads:[~2009-07-27 17:52 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 [this message]
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
[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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