NFS: remove unused wb_complete field from struct nfs_page

Signed-off-by: NFred Isaman <iisaman@netapp.com>
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/pagelist.c

@@ -114,7 +114,6 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
 	 * long write-back delay. This will be adjusted in
 	 * update_nfs_request below if the region is not locked. */
 	req->wb_page    = page;
-	atomic_set(&req->wb_complete, 0);
 	req->wb_index	= page->index;
 	page_cache_get(page);
 	BUG_ON(PagePrivate(page));

fs/nfs/write.c

@@ -1059,7 +1059,6 @@ static int nfs_flush_multi(struct nfs_pageio_descriptor *desc,
 		nbytes -= len;
 		offset += len;
 	} while (nbytes != 0);
-	atomic_set(&req->wb_complete, requests);
 	desc->pg_rpc_callops = &nfs_write_common_ops;
 	return ret;
 

include/linux/nfs_page.h

@@ -36,7 +36,6 @@ struct nfs_page {
 	struct page		*wb_page;	/* page to read in/write out */
 	struct nfs_open_context	*wb_context;	/* File state context info */
 	struct nfs_lock_context	*wb_lock_context;	/* lock context info */
-	atomic_t		wb_complete;	/* i/os we're waiting for */
 	pgoff_t			wb_index;	/* Offset >> PAGE_CACHE_SHIFT */
 	unsigned int		wb_offset,	/* Offset & ~PAGE_CACHE_MASK */
 				wb_pgbase,	/* Start of page data */