From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman)
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>,
Kenton Varda <kenton-AuYgBwuPrUQTaNkGU808tA@public.gmane.org>,
Michael Kerrisk-manpages
<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>,
LINUXFS-ML
<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [CFT][PATCH 09/10] sysfs: Create mountpoints with sysfs_create_empty_dir
Date: Tue, 11 Aug 2015 23:04:28 -0500 [thread overview]
Message-ID: <871tf9b19v.fsf@x220.int.ebiederm.org> (raw)
In-Reply-To: <87a8txb1k8.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org> (Eric W. Biederman's message of "Tue, 11 Aug 2015 22:58:15 -0500")
ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman) writes:
> ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman) writes:
>
>> I just went and attempted to reproduce this, and on RHEL6 workstation
>> (aka my work laptop), using the todays 4.2.0-rc6+ aka
>> edf15b4d4b01b565cb5f4fd2e2d08940b9f92e2f and all of the mounts in
>> /proc/self/mounts are the same between 4.2.0-rc6 and the RHEL6 stock
>> 2.6.32-504.30.3.el6.x86_64, including the cgroups mounted on /cgroup.
>
> I built a few more kernels just to see if this was some weird backport
> thing. The kernels 3.10.86, 3.14.58, 3.18.20, and 4.1.5 all boot and
> mount their cgroup filesystems just fine. Granted I kept having to
> smack the memory cgroup into being compiled in as the config options
> kept changing but otherwise I have not seen any problems.
>
> So I am very surprised you are having problems.
Although I guess I could have saved myself some time by noticing that
4.1.5 was the only one of the kernels with the change backported into
it. *Shrug*
I don't see the problem and I don't know where to look to see why you
are having problems.
Eric
next prev parent reply other threads:[~2015-08-12 4:04 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-14 17:30 [CFT][PATCH 0/10] Making new mounts of proc and sysfs as safe as bind mounts Eric W. Biederman
[not found] ` <87pp63jcca.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-14 17:31 ` [CFT][PATCH 01/10] mnt: Refactor the logic for mounting sysfs and proc in a user namespace Eric W. Biederman
2015-05-14 17:32 ` [CFT][PATCH 02/10] mnt: Modify fs_fully_visible to deal with mount attributes Eric W. Biederman
2015-05-14 17:32 ` [CFT][PATCH 03/10] vfs: Ignore unlocked mounts in fs_fully_visible Eric W. Biederman
2015-05-14 17:33 ` [CFT][PATCH 04/10] fs: Add helper functions for permanently empty directories Eric W. Biederman
2015-05-14 17:33 ` [CFT][PATCH 05/10] sysctl: Allow creating " Eric W. Biederman
2015-05-14 17:34 ` [CFT][PATCH 06/10] proc: " Eric W. Biederman
2015-05-14 17:34 ` [CFT][PATCH 07/10] kernfs: Add support for always " Eric W. Biederman
2015-05-14 17:35 ` [CFT][PATCH 08/10] sysfs: Add support for permanently " Eric W. Biederman
[not found] ` <87fv6zhxkp.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-14 20:31 ` Greg Kroah-Hartman
[not found] ` <20150514203131.GB16416@kroah.com>
[not found] ` <20150514203131.GB16416-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-05-14 21:33 ` Eric W. Biederman
2015-05-14 17:36 ` [CFT][PATCH 09/10] sysfs: Create mountpoints with sysfs_create_empty_dir Eric W. Biederman
[not found] ` <878ucrhxi9.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-11 18:44 ` Tejun Heo
[not found] ` <20150811184426.GH23408@mtj.duckdns.org>
[not found] ` <20150811184426.GH23408-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2015-08-11 18:57 ` Eric W. Biederman
[not found] ` <877fp1hcuj.fsf@x220.int.ebiederm.org>
[not found] ` <877fp1hcuj.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-11 19:21 ` Andy Lutomirski
2015-08-11 20:11 ` Tejun Heo
[not found] ` <CAOS58YOHU8SFv4UXeBRr4t88UU=DXQCPg2HU_dMBmgM7WBB1zQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-12 0:37 ` Eric W. Biederman
[not found] ` <87fv3pe3zn.fsf@x220.int.ebiederm.org>
[not found] ` <87fv3pe3zn.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-12 3:58 ` Eric W. Biederman
[not found] ` <87a8txb1k8.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-12 4:04 ` Eric W. Biederman [this message]
[not found] ` <871tf9b19v.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-12 19:15 ` Tejun Heo
[not found] ` <20150812191515.GA4496@mtj.duckdns.org>
[not found] ` <20150812191515.GA4496-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2015-08-12 20:07 ` [PATCH] fs: Set the size of empty dirs to 0 Eric W. Biederman
[not found] ` <87mvxw46fc.fsf_-_-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-12 20:18 ` Tejun Heo
[not found] ` <CALCETrXE=fKa3XkEEo6y2=ZNtsuBfX=kaoyDwiP0C2BwqKJWjw@mail.gmail.com>
[not found] ` <CALCETrXE=fKa3XkEEo6y2=ZNtsuBfX=kaoyDwiP0C2BwqKJWjw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-12 0:58 ` [CFT][PATCH 09/10] sysfs: Create mountpoints with sysfs_create_empty_dir Eric W. Biederman
[not found] ` <87mvxxcogp.fsf@x220.int.ebiederm.org>
[not found] ` <87mvxxcogp.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-12 20:00 ` Tejun Heo
[not found] ` <20150812200035.GB4496@mtj.duckdns.org>
[not found] ` <20150812200035.GB4496-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2015-08-12 20:27 ` Eric W. Biederman
[not found] ` <87r3n82qxd.fsf@x220.int.ebiederm.org>
[not found] ` <87r3n82qxd.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-08-12 21:05 ` Tejun Heo
2015-05-14 17:37 ` [CFT][PATCH 10/10] mnt: Update fs_fully_visible to test for permanently empty directories Eric W. Biederman
2015-05-14 20:29 ` [CFT][PATCH 0/10] Making new mounts of proc and sysfs as safe as bind mounts Greg Kroah-Hartman
2015-05-16 2:05 ` [CFT][PATCH 00/10] Making new mounts of proc and sysfs as safe as bind mounts (take 2) Eric W. Biederman
[not found] ` <20150514202951.GA16416@kroah.com>
[not found] ` <20150514202951.GA16416-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-05-14 21:10 ` [CFT][PATCH 0/10] Making new mounts of proc and sysfs as safe as bind mounts Eric W. Biederman
[not found] ` <87oalmg90j.fsf@x220.int.ebiederm.org>
[not found] ` <87oalmg90j.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-15 6:26 ` Andy Lutomirski
[not found] ` <CALCETrU1yxcDfv4YV3wVpWMAdiOOsSUFOPUpFAN-mVA4M-OxdQ@mail.gmail.com>
[not found] ` <CALCETrU1yxcDfv4YV3wVpWMAdiOOsSUFOPUpFAN-mVA4M-OxdQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-15 6:55 ` Eric W. Biederman
[not found] ` <87siaxuvik.fsf@x220.int.ebiederm.org>
[not found] ` <87siaxuvik.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-16 2:06 ` [CFT][PATCH 01/10] mnt: Refactor the logic for mounting sysfs and proc in a user namespace Eric W. Biederman
2015-05-16 2:06 ` [CFT][PATCH 02/10] mnt: Modify fs_fully_visible to deal with mount attributes Eric W. Biederman
2015-05-16 2:07 ` [CFT][PATCH 03/10] vfs: Ignore unlocked mounts in fs_fully_visible Eric W. Biederman
2015-05-16 2:07 ` [CFT][PATCH 04/10] fs: Add helper functions for permanently empty directories Eric W. Biederman
2015-05-16 2:08 ` [CFT][PATCH 05/10] sysctl: Allow creating permanently empty directories that serve as mountpoints Eric W. Biederman
2015-05-16 2:08 ` [CFT][PATCH 06/10] proc: Allow creating permanently empty directories that serve as mount points Eric W. Biederman
2015-05-16 2:09 ` [CFT][PATCH 07/10] kernfs: Add support for always empty directories Eric W. Biederman
2015-05-16 2:09 ` [CFT][PATCH 08/10] sysfs: Add support for permanently empty directories to serve as mount points Eric W. Biederman
2015-05-16 2:10 ` [CFT][PATCH 09/10] sysfs: Create mountpoints with sysfs_create_mount_point Eric W. Biederman
2015-05-16 2:11 ` [CFT][PATCH 10/10] mnt: Update fs_fully_visible to test for permanently empty directories Eric W. Biederman
2015-05-22 17:39 ` [CFT][PATCH 00/10] Making new mounts of proc and sysfs as safe as bind mounts (take 2) Eric W. Biederman
[not found] ` <87fv6xtgr2.fsf_-_@x220.int.ebiederm.org>
[not found] ` <87fv6xtgr2.fsf_-_-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-18 13:14 ` [CFT][PATCH 08/10] sysfs: Add support for permanently empty directories to serve as mount points Greg Kroah-Hartman
[not found] ` <87a8x5tgpp.fsf_-_@x220.int.ebiederm.org>
[not found] ` <87a8x5tgpp.fsf_-_-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-18 13:14 ` [CFT][PATCH 09/10] sysfs: Create mountpoints with sysfs_create_mount_point Greg Kroah-Hartman
[not found] ` <87wq004im1.fsf@x220.int.ebiederm.org>
[not found] ` <87wq004im1.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-22 18:59 ` [CFT][PATCH 00/10] Making new mounts of proc and sysfs as safe as bind mounts (take 2) Andy Lutomirski
[not found] ` <CALCETrUhXBR5WQ6gXr9KzGc4=7tph7kzopY29Hug4g+FhOzEKg@mail.gmail.com>
[not found] ` <CALCETrUhXBR5WQ6gXr9KzGc4=7tph7kzopY29Hug4g+FhOzEKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-22 20:41 ` Eric W. Biederman
2015-05-28 14:08 ` Serge Hallyn
[not found] ` <20150528140839.GD28842@ubuntumail>
2015-05-28 15:03 ` Eric W. Biederman
2015-05-28 19:36 ` Richard Weinberger
[not found] ` <55676E32.3050006@nod.at>
[not found] ` <55676E32.3050006-/L3Ra7n9ekc@public.gmane.org>
2015-05-28 19:57 ` Eric W. Biederman
[not found] ` <87382gh3uo.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-28 20:30 ` Richard Weinberger
[not found] ` <55677AEF.1090809@nod.at>
[not found] ` <55677AEF.1090809-/L3Ra7n9ekc@public.gmane.org>
2015-05-28 21:32 ` Eric W. Biederman
[not found] ` <87iobcfkwx.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-28 21:46 ` Richard Weinberger
[not found] ` <55678CCA.80807-/L3Ra7n9ekc@public.gmane.org>
2015-06-16 12:30 ` Daniel P. Berrange
2015-05-29 9:30 ` Richard Weinberger
[not found] ` <556831CF.9040600-/L3Ra7n9ekc@public.gmane.org>
2015-05-29 17:41 ` Eric W. Biederman
2015-06-06 18:56 ` Eric W. Biederman
[not found] ` <87mw0c1x8p.fsf@x220.int.ebiederm.org>
[not found] ` <87mw0c1x8p.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-06-16 12:31 ` Daniel P. Berrange
[not found] ` <20150616123148.GB18689@redhat.com>
[not found] ` <20150616123148.GB18689-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-06-16 12:46 ` Richard Weinberger
[not found] ` <87lhg8pwvz.fsf@x220.int.ebiederm.org>
[not found] ` <CALCETrXXax28s9kMTQ-zDx0MttQWG4rg2y-oz3bSGiumSL=3sg@mail.gmail.com>
[not found] ` <CALCETrXXax28s9kMTQ-zDx0MttQWG4rg2y-oz3bSGiumSL=3sg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-28 18:20 ` Kenton Varda
[not found] ` <CAOP=4wid+N_80iyPpiVMN96_fuHZZRGtYQ6AOPn-HFBj2H6Vgg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-28 19:14 ` Eric W. Biederman
[not found] ` <87fv6gikfn.fsf@x220.int.ebiederm.org>
[not found] ` <87fv6gikfn.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-28 20:12 ` Kenton Varda
2015-05-29 0:30 ` Andy Lutomirski
2015-05-29 0:35 ` Andy Lutomirski
[not found] ` <CAOP=4wieEaR_wESNyba7EKPAhi6kf+ujxhoMAFKVRozqWtXHvQ@mail.gmail.com>
[not found] ` <CAOP=4wieEaR_wESNyba7EKPAhi6kf+ujxhoMAFKVRozqWtXHvQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-28 20:47 ` Richard Weinberger
[not found] ` <55677EE4.2040903@nod.at>
[not found] ` <55677EE4.2040903-/L3Ra7n9ekc@public.gmane.org>
2015-05-28 21:07 ` Kenton Varda
[not found] ` <CAOP=4wiAA4SqvMn_rQJHOjg6M-75bi_G9Fx8ENgVnYdkT5WVQA@mail.gmail.com>
[not found] ` <CAOP=4wiAA4SqvMn_rQJHOjg6M-75bi_G9Fx8ENgVnYdkT5WVQA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-28 21:12 ` Richard Weinberger
[not found] ` <CALCETrXO21Y7PR=pKqaqJb1YZArNyjAv7Z-J44O53FcfLM_0Tw@mail.gmail.com>
[not found] ` <CALCETrXO21Y7PR=pKqaqJb1YZArNyjAv7Z-J44O53FcfLM_0Tw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-29 4:36 ` Eric W. Biederman
[not found] ` <87fv6g80g7.fsf@x220.int.ebiederm.org>
[not found] ` <87fv6g80g7.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-29 4:54 ` Kenton Varda
2015-05-29 17:49 ` Andy Lutomirski
[not found] ` <CALCETrVEA0Ug+3aj5rjupqZub-1tPLw+szzbs4kTyEyVvNs7qg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-03 21:13 ` Eric W. Biederman
[not found] ` <87k2vkebri.fsf@x220.int.ebiederm.org>
[not found] ` <87k2vkebri.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-06-03 21:15 ` [CFT][PATCH 11/10] mnt: Avoid unnecessary regressions in fs_fully_visible Eric W. Biederman
[not found] ` <87eglseboh.fsf_-_-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-06-04 4:35 ` [CFT][PATCH 11/10] mnt: Avoid unnecessary regressions in fs_fully_visible (take 2) Eric W. Biederman
2015-06-05 0:46 ` [CFT][PATCH 11/10] mnt: Avoid unnecessary regressions in fs_fully_visible Andy Lutomirski
[not found] ` <874mmodral.fsf_-_@x220.int.ebiederm.org>
[not found] ` <874mmodral.fsf_-_-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-06-04 5:20 ` [CFT][PATCH 11/10] mnt: Avoid unnecessary regressions in fs_fully_visible (take 2) Greg Kroah-Hartman
[not found] ` <CALCETrWwtFaiaYGLoq4EPkrgcq9nEA2GseVfP3iBkbYZ8NfGPg@mail.gmail.com>
[not found] ` <CALCETrWwtFaiaYGLoq4EPkrgcq9nEA2GseVfP3iBkbYZ8NfGPg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-06 19:14 ` [CFT][PATCH 11/10] mnt: Avoid unnecessary regressions in fs_fully_visible Eric W. Biederman
2015-06-04 5:19 ` [CFT][PATCH 00/10] Making new mounts of proc and sysfs as safe as bind mounts (take 2) Greg Kroah-Hartman
[not found] ` <20150604051958.GA21049-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-06-04 6:27 ` Eric W. Biederman
[not found] ` <87h9qo6la9.fsf@x220.int.ebiederm.org>
[not found] ` <87h9qo6la9.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-06-04 7:34 ` Eric W. Biederman
2015-06-16 12:23 ` Daniel P. Berrange
[not found] ` <87lhg8pwvz.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-28 17:33 ` Andy Lutomirski
2015-05-28 21:04 ` Serge E. Hallyn
[not found] ` <20150528210438.GA14849@mail.hallyn.com>
[not found] ` <20150528210438.GA14849-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2015-05-28 21:42 ` Eric W. Biederman
[not found] ` <871ti0fkfp.fsf@x220.int.ebiederm.org>
[not found] ` <871ti0fkfp.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-28 21:52 ` Serge E. Hallyn
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