linux-kernel - Re: [PATCH 1/1] sunrpc: Use path_component

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Message-Id: <1178462794.6561.92.camel@heimdal.trondhjem.org>
Date:	Sun, 06 May 2007 10:46:34 -0400
From:	Trond Myklebust <Trond.Myklebust@...app.com>
To:	"Josef 'Jeff' Sipek" <jsipek@...sunysb.edu>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	hch@...radead.org, akpm@...ux-foundation.org,
	viro@....linux.org.uk, neilb@...e.de, mhalcrow@...ibm.com
Subject: Re: [PATCH 1/1] sunrpc: Use path_component_lookup

On Sat, 2007-05-05 at 20:52 -0400, Josef 'Jeff' Sipek wrote:
> use path_component_lookup instead of open-coding the necessary
> functionality.
> 
> Signed-off-by: Josef 'Jeff' Sipek <jsipek@...sunysb.edu>
> ---
>  net/sunrpc/rpc_pipe.c |   16 +++++++---------
>  1 files changed, 7 insertions(+), 9 deletions(-)
> 
> diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
> index 9b9ea50..c93a454 100644
> --- a/net/sunrpc/rpc_pipe.c
> +++ b/net/sunrpc/rpc_pipe.c
> @@ -451,21 +451,19 @@ void rpc_put_mount(void)
>  static int
>  rpc_lookup_parent(char *path, struct nameidata *nd)
>  {
> +	struct vfsmount *mnt;
> +
>  	if (path[0] == '\0')
>  		return -ENOENT;
> -	nd->mnt = rpc_get_mount();
> -	if (IS_ERR(nd->mnt)) {
> +
> +	mnt = rpc_get_mount();
> +	if (IS_ERR(mnt)) {
>  		printk(KERN_WARNING "%s: %s failed to mount "
>  			       "pseudofilesystem \n", __FILE__, __FUNCTION__);
> -		return PTR_ERR(nd->mnt);
> +		return PTR_ERR(mnt);
>  	}
> -	mntget(nd->mnt);
> -	nd->dentry = dget(rpc_mount->mnt_root);
> -	nd->last_type = LAST_ROOT;
> -	nd->flags = LOOKUP_PARENT;
> -	nd->depth = 0;
>  
> -	if (path_walk(path, nd)) {
> +	if (path_component_lookup(mnt->mnt_root, mnt, path, LOOKUP_PARENT, nd)) {
>  		printk(KERN_WARNING "%s: %s failed to find path %s\n",
>  				__FILE__, __FUNCTION__, path);
>  		rpc_put_mount();

Thanks! That looks good.

Acked-by: Trond Myklebust <Trond.Myklebust@...app.com>

Cheers
  Trond
-
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