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Re: [PATCH 00/24] Read-only bind mounts

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From: Andrew Morton
Subject: Re: [PATCH 00/24] Read-only bind mounts
Date: Wednesday, September 19, 2007 - 2:24 pm

On Wed, 19 Sep 2007 18:44:18 +0100
Christoph Hellwig <hch@infradead.org> wrote:


What's the situation on unprivileged mounts?  iirc, it's all a bit stuck.

If unpriv-mounts code isn't going to go into mainline ahead of r/o bind
mounts then it'd make a big mess to prepare the r/o bind mount patches on
top of unprivileged mounts.

It sounds like a better approach would be for me to merge the r/o bind
mounts code and to drop (or maybe rework) the unprivileged mounts patches

-
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[PATCH 01/24] filesystem helpers for custom 'struct file's, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 00/24] Read-only bind mounts, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 02/24] rearrange may_open() to be r/o friendly, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 03/24] create cleanup helper svc_msnfs(), Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 04/24] r/o bind mounts: stub functions, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 05/24] elevate write count open()'d files, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 06/24] r/o bind mounts: elevate write count for som ..., Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 07/24] elevate writer count for chown and friends, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 08/24] make access() use mnt check, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 09/24] elevate mnt writers for callers of vfs_mkdir(), Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 10/24] elevate write count during entire ncp_ioctl(), Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 11/24] elevate write count for link and symlink calls, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 12/24] elevate mount count for extended attributes, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 13/24] elevate write count for file_update_time(), Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 14/24] unix_find_other() elevate write count for to ..., Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 15/24] elevate write count over calls to vfs_rename(), Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 16/24] nfs: check mnt instead of superblock directly, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 17/24] elevate writer count for do_sys_truncate(), Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 18/24] elevate write count for do_utimes(), Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 19/24] elevate write count for do_sys_utime() and t ..., Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 20/24] sys_mknodat(): elevate write count for vfs_m ..., Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 21/24] elevate mnt writers for vfs_unlink() callers, Dave Hansen, (Mon Sep 17, 11:27 am)
[PATCH 22/24] do_rmdir(): elevate write count, Dave Hansen, (Mon Sep 17, 11:27 am)
Re: [PATCH 00/24] Read-only bind mounts, Serge E. Hallyn, (Wed Sep 19, 7:21 am)
Re: [PATCH 01/24] filesystem helpers for custom 'struct file's, Christoph Hellwig, (Wed Sep 19, 10:26 am)
Re: [PATCH 02/24] rearrange may_open() to be r/o friendly, Christoph Hellwig, (Wed Sep 19, 10:27 am)
Re: [PATCH 03/24] create cleanup helper svc_msnfs(), Christoph Hellwig, (Wed Sep 19, 10:28 am)
Re: [PATCH 04/24] r/o bind mounts: stub functions, Christoph Hellwig, (Wed Sep 19, 10:28 am)
Re: [PATCH 05/24] elevate write count open()'d files, Christoph Hellwig, (Wed Sep 19, 10:30 am)
Re: [PATCH 06/24] r/o bind mounts: elevate write count for ..., Christoph Hellwig, (Wed Sep 19, 10:31 am)
Re: [PATCH 07/24] elevate writer count for chown and friends, Christoph Hellwig, (Wed Sep 19, 10:31 am)
Re: [PATCH 08/24] make access() use mnt check, Christoph Hellwig, (Wed Sep 19, 10:32 am)
Re: [PATCH 09/24] elevate mnt writers for callers of vfs_m ..., Christoph Hellwig, (Wed Sep 19, 10:32 am)
Re: [PATCH 10/24] elevate write count during entire ncp_io ..., Christoph Hellwig, (Wed Sep 19, 10:33 am)
Re: [PATCH 11/24] elevate write count for link and symlink ..., Christoph Hellwig, (Wed Sep 19, 10:33 am)
Re: [PATCH 12/24] elevate mount count for extended attributes, Christoph Hellwig, (Wed Sep 19, 10:34 am)
Re: [PATCH 13/24] elevate write count for file_update_time(), Christoph Hellwig, (Wed Sep 19, 10:35 am)
Re: [PATCH 14/24] unix_find_other() elevate write count fo ..., Christoph Hellwig, (Wed Sep 19, 10:35 am)
Re: [PATCH 15/24] elevate write count over calls to vfs_re ..., Christoph Hellwig, (Wed Sep 19, 10:35 am)
Re: [PATCH 16/24] nfs: check mnt instead of superblock dir ..., Christoph Hellwig, (Wed Sep 19, 10:36 am)
Re: [PATCH 17/24] elevate writer count for do_sys_truncate(), Christoph Hellwig, (Wed Sep 19, 10:36 am)
Re: [PATCH 18/24] elevate write count for do_utimes(), Christoph Hellwig, (Wed Sep 19, 10:36 am)
Re: [PATCH 19/24] elevate write count for do_sys_utime() a ..., Christoph Hellwig, (Wed Sep 19, 10:36 am)
Re: [PATCH 20/24] sys_mknodat(): elevate write count for v ..., Christoph Hellwig, (Wed Sep 19, 10:38 am)
Re: [PATCH 21/24] elevate mnt writers for vfs_unlink() callers, Christoph Hellwig, (Wed Sep 19, 10:38 am)
Re: [PATCH 22/24] do_rmdir(): elevate write count, Christoph Hellwig, (Wed Sep 19, 10:39 am)
Re: [PATCH 03/24] create cleanup helper svc_msnfs(), Jan Engelhardt, (Wed Sep 19, 10:39 am)
Re: [PATCH 00/24] Read-only bind mounts, Christoph Hellwig, (Wed Sep 19, 10:44 am)
Re: [PATCH 03/24] create cleanup helper svc_msnfs(), Dave Hansen, (Wed Sep 19, 10:45 am)
[PATCH] docuement filesystem helpers for custom 'struct file's, Dave Hansen, (Wed Sep 19, 10:47 am)
Re: [PATCH 03/24] create cleanup helper svc_msnfs(), Trond Myklebust, (Wed Sep 19, 10:54 am)
Re: [PATCH 03/24] create cleanup helper svc_msnfs(), Christoph Hellwig, (Wed Sep 19, 10:59 am)
Re: [PATCH 03/24] create cleanup helper svc_msnfs(), Trond Myklebust, (Wed Sep 19, 11:10 am)
Re: [PATCH 00/24] Read-only bind mounts, Andrew Morton, (Wed Sep 19, 2:24 pm)
Re: [PATCH 00/24] Read-only bind mounts, Dave Hansen, (Wed Sep 19, 2:56 pm)
Re: [PATCH 00/24] Read-only bind mounts, Andrew Morton, (Wed Sep 19, 3:06 pm)
Re: [PATCH] docuement filesystem helpers for custom 'struc ..., Randy Dunlap, (Wed Sep 19, 3:07 pm)
Re: [PATCH 00/24] Read-only bind mounts, Miklos Szeredi, (Thu Sep 20, 2:58 am)
Re: [PATCH] docuement filesystem helpers for custom 'struc ..., Dave Hansen, (Thu Sep 20, 10:25 am)
Re: [PATCH] docuement filesystem helpers for custom 'struc ..., Christoph Hellwig, (Thu Sep 20, 10:30 am)
Re: [PATCH 02/24] rearrange may_open() to be r/o friendly, Dave Hansen, (Thu Sep 20, 11:47 am)