Ack: [PATCH] UBUNTU: SAUCE: ncpfs: fix rmdir returns Device or resource busy

[Brad Figg]

On 06/05/2013 02:57 PM, Dave Chiluk wrote:
> BugLink: http://bugs.launchpad.net/bugs/1035226
> 
> 1d2ef5901483004d74947bbf78d5146c24038fe7 caused a regression in ncpfs such that
> directories could no longer be removed.  This was because ncp_rmdir checked to
> see if a dentry could be unhashed before allowing it to be removed.  Since
> 1d2ef5901483004d74947bbf78d5146c24038fe7 introduced a change that incremented
> dentry->d_count causing it to always be greater than 1 unhash would always
> fail.  Thus causing the error path in ncp_rmdir to always be taken.  Removing
> this error path is safe as unhashing is still accomplished by calls to dput
> from vfs_rmdir.
> 
> Signed-off-by: Dave Chiluk <chiluk at canonical.com>
> ---
>  fs/ncpfs/dir.c |    9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
> index 9c51f62..844bd64 100644
> --- a/fs/ncpfs/dir.c
> +++ b/fs/ncpfs/dir.c
> @@ -1033,15 +1033,6 @@ static int ncp_rmdir(struct inode *dir, struct dentry *dentry)
>  	DPRINTK("ncp_rmdir: removing %s/%s\n",
>  		dentry->d_parent->d_name.name, dentry->d_name.name);
>  
> -	/*
> -	 * fail with EBUSY if there are still references to this
> -	 * directory.
> -	 */
> -	dentry_unhash(dentry);
> -	error = -EBUSY;
> -	if (!d_unhashed(dentry))
> -		goto out;
> -
>  	len = sizeof(__name);
>  	error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
>  			   dentry->d_name.len, !ncp_preserve_case(dir));
> 


-- 
Brad Figg brad.figg at canonical.com http://www.canonical.com