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From: Andrew Morton <akpm@linux-foundation.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: linux-kernel@vger.kernel.org, adobriyan@gmail.com,
	viro@ZenIV.linux.org.uk, containers@lists.osdl.org
Subject: Re: [PATCH 1/7] vfs: Fix shrink_submounts
Date: Thu, 6 Nov 2008 17:22:21 -0800	[thread overview]
Message-ID: <20081106172221.dbeb5b12.akpm@linux-foundation.org> (raw)
In-Reply-To: <m1ej1p2l6u.fsf@frodo.ebiederm.org>

On Thu, 06 Nov 2008 02:38:49 -0800
ebiederm@xmission.com (Eric W. Biederman) wrote:

> 
> In the last refactoring of shrink_submounts a variable was
> not completely renamed.  So finish the renaming of mnt to m
> now.
> 
> Without this if you attempt to mount an nfs mount that has
> both automatic nfs sub mounts on it, and has normal mounts
> on it.  The unmount will succeed when it should not.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
> ---
>  fs/namespace.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/namespace.c b/fs/namespace.c
> index cce4670..65b3dc8 100644
> --- a/fs/namespace.c
> +++ b/fs/namespace.c
> @@ -1815,8 +1815,8 @@ static void shrink_submounts(struct vfsmount *mnt, struct list_head *umounts)
>  		while (!list_empty(&graveyard)) {
>  			m = list_first_entry(&graveyard, struct vfsmount,
>  						mnt_expire);
> -			touch_mnt_namespace(mnt->mnt_ns);
> -			umount_tree(mnt, 1, umounts);
> +			touch_mnt_namespace(m->mnt_ns);
> +			umount_tree(m, 1, umounts);
>  		}
>  	}
>  }

OK, so that's a for-2.6.28 bugfix, yes?

The other six patches will fall under Alexey's procfs tree.

WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: ebiederm@xmission.com (Eric W. Biederman)
Cc: linux-kernel@vger.kernel.org, adobriyan@gmail.com,
	viro@ZenIV.linux.org.uk, containers@lists.osdl.org
Subject: Re: [PATCH 1/7] vfs: Fix shrink_submounts
Date: Thu, 6 Nov 2008 17:22:21 -0800	[thread overview]
Message-ID: <20081106172221.dbeb5b12.akpm@linux-foundation.org> (raw)
In-Reply-To: <m1ej1p2l6u.fsf@frodo.ebiederm.org>

On Thu, 06 Nov 2008 02:38:49 -0800
ebiederm@xmission.com (Eric W. Biederman) wrote:

> 
> In the last refactoring of shrink_submounts a variable was
> not completely renamed.  So finish the renaming of mnt to m
> now.
> 
> Without this if you attempt to mount an nfs mount that has
> both automatic nfs sub mounts on it, and has normal mounts
> on it.  The unmount will succeed when it should not.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
> ---
>  fs/namespace.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/namespace.c b/fs/namespace.c
> index cce4670..65b3dc8 100644
> --- a/fs/namespace.c
> +++ b/fs/namespace.c
> @@ -1815,8 +1815,8 @@ static void shrink_submounts(struct vfsmount *mnt, struct list_head *umounts)
>  		while (!list_empty(&graveyard)) {
>  			m = list_first_entry(&graveyard, struct vfsmount,
>  						mnt_expire);
> -			touch_mnt_namespace(mnt->mnt_ns);
> -			umount_tree(mnt, 1, umounts);
> +			touch_mnt_namespace(m->mnt_ns);
> +			umount_tree(m, 1, umounts);
>  		}
>  	}
>  }

OK, so that's a for-2.6.28 bugfix, yes?

The other six patches will fall under Alexey's procfs tree.

  parent reply	other threads:[~2008-11-07  1:22 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-06 10:38 [PATCH 1/7] vfs: Fix shrink_submounts Eric W. Biederman
2008-11-06 10:38 ` Eric W. Biederman
2008-11-06 10:48 ` [PATCH 2/7] proc: Implement support for automounts in task directories Eric W. Biederman
2008-11-06 10:48   ` Eric W. Biederman
     [not found]   ` <m1abcd2kqk.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-11-06 10:49     ` [PATCH 3/7] proc: Support multiple filesystems using the proc generic infrastructure Eric W. Biederman
2008-11-06 10:49       ` Eric W. Biederman
     [not found]       ` <m163n12ko9.fsf_-_-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-11-06 10:53         ` [PATCH 4/7] proc: Make /proc/net it's own filesystem Eric W. Biederman
2008-11-06 10:53           ` Eric W. Biederman
     [not found]           ` <m1y6zx15yj.fsf_-_-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-11-06 10:56             ` [PATCH 5/7] proc_net: Don't show the wrong /proc/net after unshare Eric W. Biederman
2008-11-06 10:56               ` Eric W. Biederman
     [not found]               ` <m1skq515ti.fsf_-_-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-11-06 10:57                 ` [PATCH 6/7] proc_net: Simplify network namespace lookup Eric W. Biederman
2008-11-06 10:57                   ` Eric W. Biederman
2008-11-06 10:58                   ` [PATCH 7/7] proc: Cleanup proc_flush_task Eric W. Biederman
2008-11-06 10:58                     ` Eric W. Biederman
2008-11-07  1:25   ` [PATCH 2/7] proc: Implement support for automounts in task directories Andrew Morton
2008-11-07  1:25     ` Andrew Morton
2008-11-07  2:02     ` Eric W. Biederman
2008-11-07  1:26   ` Andrew Morton
2008-11-07  1:26     ` Andrew Morton
2008-11-07  2:05     ` Eric W. Biederman
2008-11-07  2:49       ` Andrew Morton
2008-11-07  2:49         ` Andrew Morton
2008-11-07  3:51         ` Eric W. Biederman
2008-11-07  4:28           ` Andrew Morton
2008-11-07  4:28             ` Andrew Morton
2008-11-07 15:51             ` Eric W. Biederman
2008-11-07 16:05               ` Andrew Morton
2008-11-07 16:05                 ` Andrew Morton
2008-11-07 16:58                 ` Eric W. Biederman
2008-11-13 23:39                 ` Eric W. Biederman
2008-11-19  0:07                   ` Alexey Dobriyan
2008-11-19  2:35                     ` Alexey Dobriyan
2008-11-19 13:20                       ` Eric W. Biederman
2008-11-07  4:41   ` Alexey Dobriyan
2008-11-07 16:04     ` [PATCH] proc: Supply proc_shrink_automounts when CONFIG_PROC_FS=N Eric W. Biederman
2008-11-07  1:22 ` Andrew Morton [this message]
2008-11-07  1:22   ` [PATCH 1/7] vfs: Fix shrink_submounts Andrew Morton
2008-11-07  2:06   ` Eric W. Biederman

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