From: Dave Hansen <haveblue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Miklos Szeredi <miklos-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
Cc: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org,
viro-rfM+Q5joDG/XmaaqVzeoHQ@public.gmane.org,
ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org,
kzak-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org,
util-linux-ng-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [patch 5/9] unprivileged mounts: allow unprivileged bind mounts
Date: Tue, 08 Jan 2008 11:15:10 -0800 [thread overview]
Message-ID: <1199819710.9834.74.camel@localhost> (raw)
In-Reply-To: <E1JCJoQ-0003g9-Nk-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
On Tue, 2008-01-08 at 20:08 +0100, Miklos Szeredi wrote:
>
> The logic behind EPERM, is that this failure is only for unprivileged
> callers. ENOMEM is too specifically about OOM. It could be changed
> to ENOSPC, ENFILE, EMFILE, or it could remain EPERM. What do others
> think?
Since you're patching mount anyway, maybe you could add a little pointer
for people to go check the sysctl if they get a certain error code back
from here.
-- Dave
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <haveblue@us.ibm.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: akpm@linux-foundation.org, hch@infradead.org, serue@us.ibm.com,
viro@ftp.linux.org.uk, ebiederm@xmission.com, kzak@redhat.com,
linux-fsdevel@vger.kernel.org, containers@lists.osdl.org,
util-linux-ng@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 5/9] unprivileged mounts: allow unprivileged bind mounts
Date: Tue, 08 Jan 2008 11:15:10 -0800 [thread overview]
Message-ID: <1199819710.9834.74.camel@localhost> (raw)
In-Reply-To: <E1JCJoQ-0003g9-Nk@pomaz-ex.szeredi.hu>
On Tue, 2008-01-08 at 20:08 +0100, Miklos Szeredi wrote:
>
> The logic behind EPERM, is that this failure is only for unprivileged
> callers. ENOMEM is too specifically about OOM. It could be changed
> to ENOSPC, ENFILE, EMFILE, or it could remain EPERM. What do others
> think?
Since you're patching mount anyway, maybe you could add a little pointer
for people to go check the sysctl if they get a certain error code back
from here.
-- Dave
next prev parent reply other threads:[~2008-01-08 19:15 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-08 11:35 [patch 0/9] mount ownership and unprivileged mount syscall (v6) Miklos Szeredi
2008-01-08 11:35 ` [patch 1/9] unprivileged mounts: add user mounts to the kernel Miklos Szeredi
2008-01-08 21:34 ` Pavel Machek
[not found] ` <20080108113619.213519920-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-08 21:47 ` Pavel Machek
2008-01-08 21:47 ` Pavel Machek
2008-01-14 21:46 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 2/9] unprivileged mounts: allow unprivileged umount Miklos Szeredi
[not found] ` <20080108113620.664824939-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 21:48 ` Serge E. Hallyn
2008-01-14 21:48 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 3/9] unprivileged mounts: account user mounts Miklos Szeredi
[not found] ` <20080108113623.446872155-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-08 18:18 ` Dave Hansen
2008-01-08 18:18 ` Dave Hansen
2008-01-08 19:18 ` Miklos Szeredi
2008-01-08 19:18 ` Miklos Szeredi
2008-01-14 21:53 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 4/9] unprivileged mounts: propagate error values from clone_mnt Miklos Szeredi
[not found] ` <20080108113624.898035951-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 22:23 ` Serge E. Hallyn
2008-01-14 22:23 ` Serge E. Hallyn
2008-01-15 10:15 ` Miklos Szeredi
2008-01-15 10:15 ` Miklos Szeredi
2008-01-08 11:35 ` [patch 5/9] unprivileged mounts: allow unprivileged bind mounts Miklos Szeredi
2008-01-08 18:12 ` Dave Hansen
2008-01-08 19:08 ` Miklos Szeredi
[not found] ` <E1JCJoQ-0003g9-Nk-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-08 19:15 ` Dave Hansen [this message]
2008-01-08 19:15 ` Dave Hansen
2008-01-08 20:44 ` Szabolcs Szakacsits
2008-01-08 20:44 ` Szabolcs Szakacsits
2008-01-09 12:45 ` Jan Engelhardt
2008-01-09 12:45 ` Jan Engelhardt
[not found] ` <Pine.LNX.4.64.0801091340270.29244-vVwEwcwQeYFPkBl3ERsXe1l1cybopEuJUBSOeVevoDU@public.gmane.org>
2008-01-09 13:26 ` Karel Zak
2008-01-09 13:26 ` Karel Zak
2008-01-09 13:32 ` Miklos Szeredi
2008-01-08 18:26 ` Dave Hansen
2008-01-08 19:21 ` Miklos Szeredi
2008-01-08 19:21 ` Miklos Szeredi
[not found] ` <20080108113626.895583537-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-10 4:47 ` Serge E. Hallyn
2008-01-10 4:47 ` Serge E. Hallyn
2008-01-14 22:42 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 6/9] unprivileged mounts: allow unprivileged mounts Miklos Szeredi
2008-01-08 11:35 ` Miklos Szeredi
2008-01-09 11:11 ` Karel Zak
[not found] ` <20080109111120.GI3926-CxBs/XhZ2BtHjqfyn1fVYA@public.gmane.org>
2008-01-09 12:41 ` Miklos Szeredi
2008-01-09 12:41 ` Miklos Szeredi
2008-01-14 22:58 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 7/9] unprivileged mounts: allow unprivileged fuse mounts Miklos Szeredi
2008-01-08 21:46 ` Pavel Machek
[not found] ` <20080108214625.GE5050-+ZI9xUNit7I@public.gmane.org>
2008-01-08 22:42 ` Miklos Szeredi
2008-01-08 22:42 ` Miklos Szeredi
2008-01-08 22:58 ` Pavel Machek
2008-01-09 9:11 ` Miklos Szeredi
2008-01-09 11:33 ` Pavel Machek
2008-01-09 13:16 ` Miklos Szeredi
2008-01-09 13:35 ` Pavel Machek
2008-01-09 13:48 ` Miklos Szeredi
[not found] ` <E1JCbIb-0005rA-5O-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-09 14:00 ` Pavel Machek
2008-01-09 14:00 ` Pavel Machek
2008-01-09 14:14 ` Miklos Szeredi
2008-01-08 23:56 ` Nigel Cunningham
[not found] ` <47840DAC.5000108-MhVfhJ0qHmuWn91e4EydUaxOck334EZe@public.gmane.org>
2008-01-09 8:47 ` Miklos Szeredi
2008-01-09 8:47 ` Miklos Szeredi
[not found] ` <E1JCWax-0005Ck-Kg-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-09 9:29 ` Nigel Cunningham
2008-01-09 9:29 ` Nigel Cunningham
2008-01-09 11:12 ` Pavel Machek
2008-01-09 9:19 ` Szabolcs Szakacsits
2008-01-09 9:19 ` Szabolcs Szakacsits
[not found] ` <20080108113630.861045063-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 23:24 ` Serge E. Hallyn
2008-01-14 23:24 ` Serge E. Hallyn
2008-01-15 10:29 ` Miklos Szeredi
2008-01-15 10:29 ` Miklos Szeredi
[not found] ` <E1JEj3N-0000vj-QA-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-15 13:35 ` Serge E. Hallyn
2008-01-15 13:35 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 8/9] unprivileged mounts: propagation: inherit owner from parent Miklos Szeredi
[not found] ` <20080108113632.895453887-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 23:13 ` Serge E. Hallyn
2008-01-14 23:13 ` Serge E. Hallyn
2008-01-15 10:39 ` Miklos Szeredi
2008-01-15 10:39 ` Miklos Szeredi
[not found] ` <E1JEjCG-0000wz-BS-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-15 14:21 ` Serge E. Hallyn
2008-01-15 14:21 ` Serge E. Hallyn
2008-01-15 14:37 ` Miklos Szeredi
2008-01-15 14:37 ` Miklos Szeredi
[not found] ` <E1JEmv3-0001RN-6J-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2008-01-15 14:59 ` Serge E. Hallyn
2008-01-15 14:59 ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 9/9] unprivileged mounts: add "no submounts" flag Miklos Szeredi
[not found] ` <20080108113634.382855604-sUDqSbJrdHQHWmgEVkV9KA@public.gmane.org>
2008-01-14 23:39 ` Serge E. Hallyn
2008-01-14 23:39 ` Serge E. Hallyn
2008-01-15 10:41 ` Miklos Szeredi
2008-01-15 10:41 ` Miklos Szeredi
2008-01-15 10:53 ` A. C. Censi
[not found] ` <643ea2b10801150253i735d7342q73bf01f864d6167c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-01-15 10:58 ` Miklos Szeredi
2008-01-15 10:58 ` Miklos Szeredi
2008-01-15 13:47 ` Serge E. Hallyn
2008-01-16 9:43 ` Miklos Szeredi
2008-01-16 9:43 ` Miklos Szeredi
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