Re: [PATCH 10/12] NFS: Simplify nfs_wb_page()

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On Thu, Mar 11, 2010 at 09:26:22AM -0500, Trond Myklebust wrote:
> @@ -112,12 +112,10 @@ void nfs_unlock_request(struct nfs_page *req)
>   */
>  int nfs_set_page_tag_locked(struct nfs_page *req)
>  {
> -	struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode);
> -
>  	if (!nfs_lock_request_dontget(req))
>  		return 0;
>  	if (req->wb_page != NULL)
> -		radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
> +		radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
>  	return 1;
>  }
>  

This hunk is not only entirely unrealted to the fix, but also osbfucates
the code.

> @@ -126,10 +124,10 @@ int nfs_set_page_tag_locked(struct nfs_page *req)
>   */
>  void nfs_clear_page_tag_locked(struct nfs_page *req)
>  {
> -	struct inode *inode = req->wb_context->path.dentry->d_inode;
> -	struct nfs_inode *nfsi = NFS_I(inode);
> -
>  	if (req->wb_page != NULL) {
> +		struct inode *inode = req->wb_context->path.dentry->d_inode;
> +		struct nfs_inode *nfsi = NFS_I(inode);
> +
>  		spin_lock(&inode->i_lock);
>  		radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
>  		nfs_unlock_request(req);

Another one unrelated to the fix.

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