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Message-ID: <20080703220805.GI1502@mail.oracle.com>
Date: Thu, 3 Jul 2008 15:08:05 -0700
From: Joel Becker <Joel.Becker@...cle.com>
To: Louis Rilling <louis.rilling@...labs.com>
Cc: linux-kernel@...r.kernel.org, ocfs2-devel@....oracle.com
Subject: Re: [BUGFIX][PATCH] configfs: Fix open directory making rmdir()
fail
On Fri, Jun 27, 2008 at 01:10:25PM +0200, Louis Rilling wrote:
> When checking for user-created elements under an item to be removed by rmdir(),
> configfs_detach_prep() counts fake configfs_dirents created by dir_open() as
> user-created and fails when finding one. It is however perfectly valid to remove
> a directory that is open.
>
> Simply make configfs_detach_prep() skip fake configfs_dirent, like it already
> does for attributes, and like detach_groups() does.
This looks good.
> Signed-off-by: Louis Rilling <louis.rilling@...labs.com>
> ---
> fs/configfs/dir.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
> index 2c873fd..e721fd5 100644
> --- a/fs/configfs/dir.c
> +++ b/fs/configfs/dir.c
> @@ -379,7 +379,8 @@ static int configfs_detach_prep(struct dentry *dentry, struct mutex **wait_mutex
>
> ret = 0;
> list_for_each_entry(sd, &parent_sd->s_children, s_sibling) {
> - if (sd->s_type & CONFIGFS_NOT_PINNED)
> + if (!sd->s_element ||
> + (sd->s_type & CONFIGFS_NOT_PINNED))
> continue;
> if (sd->s_type & CONFIGFS_USET_DEFAULT) {
> /* Abort if racing with mkdir() */
> --
> 1.5.5.3
>
--
"You can get more with a kind word and a gun than you can with
a kind word alone."
- Al Capone
Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@...cle.com
Phone: (650) 506-8127
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