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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