From: Amir Goldstein <amir73il@gmail.com>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jan Kara <jack@suse.cz>,
Matthew Bobrowski <mbobrowski@mbobrowski.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH v2 02/14] fs: create simple_remove() helper
Date: Thu, 16 May 2019 21:42:02 +0300 [thread overview]
Message-ID: <CAOQ4uxjT=rOzQMNngU_SjP_6GfPv1M8ZC-VHH5jVCyH_pkjjFw@mail.gmail.com> (raw)
In-Reply-To: <20190516170707.GE17978@ZenIV.linux.org.uk>
On Thu, May 16, 2019 at 8:07 PM Al Viro <viro@zeniv.linux.org.uk> wrote:
>
> On Thu, May 16, 2019 at 01:26:29PM +0300, Amir Goldstein wrote:
> > There is a common pattern among pseudo filesystems for removing a dentry
> > from code paths that are NOT coming from vfs_{unlink,rmdir}, using a
> > combination of simple_{unlink,rmdir} and d_delete().
> >
> > Create an helper to perform this common operation. This helper is going
> > to be used as a place holder for the new fsnotify_{unlink,rmdir} hooks.
>
> This is the wrong approach. What we have is a bunch of places trying
> to implement recursive removal of a subtree. They are broken, each in
> its own way, and I'm not talking about fsnotify crap - there are
> much more unpleasant issues there.
>
> Trying to untangle that mess is not going to be made easier by mandating
> the calls of that helper of yours - if anything, it makes the whole
> thing harder to massage.
>
> It needs to be dealt with, no arguments here, but that's not a good
> starting point for that... I've taken several stabs at that, never
> got anywhere satisfactory with those ;-/ I'll try to dig out the
> notes/existing attempts at patch series; if you are willing to participate
> in discussing those and sorting the whole thing out, you are very welcome;
> just ping me in a couple of days.
Will do.
Thanks,
Amir.
next prev parent reply other threads:[~2019-05-16 18:42 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 10:26 [PATCH v2 00/14] Sort out fsnotify_nameremove() mess Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 01/14] ASoC: rename functions that pollute the simple_xxx namespace Amir Goldstein
2019-05-17 1:04 ` Kuninori Morimoto
2019-05-21 20:32 ` Applied "ASoC: rename functions that pollute the simple_xxx namespace" to the asoc tree Mark Brown
2019-05-16 10:26 ` [PATCH v2 02/14] fs: create simple_remove() helper Amir Goldstein
2019-05-16 15:08 ` Fwd: " Amir Goldstein
2019-05-16 17:07 ` Al Viro
2019-05-16 18:42 ` Amir Goldstein [this message]
2019-05-16 10:26 ` [PATCH v2 03/14] fsnotify: add empty fsnotify_{unlink,rmdir}() hooks Amir Goldstein
2019-05-16 15:30 ` Fwd: " Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 04/14] fs: convert hypfs to use simple_remove() helper Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 05/14] fs: convert qibfs/ipathfs " Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 06/14] fs: convert debugfs " Amir Goldstein
2019-05-16 10:35 ` Greg Kroah-Hartman
2019-05-16 10:44 ` Amir Goldstein
2019-05-16 12:02 ` Jan Kara
2019-05-16 12:09 ` Amir Goldstein
2019-05-16 15:28 ` Greg Kroah-Hartman
2019-05-16 15:38 ` Amir Goldstein
2019-05-16 16:52 ` Greg Kroah-Hartman
2019-05-16 18:47 ` Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 07/14] fs: convert tracefs " Amir Goldstein
2019-05-17 17:33 ` Steven Rostedt
2019-05-16 10:26 ` [PATCH v2 08/14] fs: convert rpc_pipefs " Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 09/14] fs: convert apparmorfs " Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 10/14] fsnotify: call fsnotify_rmdir() hook from btrfs Amir Goldstein
2019-05-16 11:56 ` David Sterba
2019-05-16 10:26 ` [PATCH v2 11/14] fsnotify: call fsnotify_rmdir() hook from configfs Amir Goldstein
2019-05-16 12:33 ` Christoph Hellwig
2019-05-16 13:38 ` Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 12/14] fsnotify: call fsnotify_unlink() hook from devpts Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 13/14] fsnotify: move fsnotify_nameremove() hook out of d_delete() Amir Goldstein
2019-05-16 10:26 ` [PATCH v2 14/14] fsnotify: get rid of fsnotify_nameremove() Amir Goldstein
2019-05-16 10:40 ` [PATCH v2 00/14] Sort out fsnotify_nameremove() mess Amir Goldstein
2019-05-16 12:25 ` Jan Kara
2019-05-16 13:56 ` Amir Goldstein
2019-05-16 16:17 ` Al Viro
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