[PATCH 4/6] 2.4.19-rc1 nfs revalidate_inode() stack reduction patches

[Badari Pulavarty <pbadari@xxxxxxxxxx>]

Signed-off-by: Badari Pulavarty <pbadari@xxxxxxxxxx>
--- linux-2.4.29-rc1.org/fs/nfs/inode.c	2004-04-14 06:05:40.000000000 -0700
+++ linux-2.4.29-rc1/fs/nfs/inode.c	2005-01-09 23:14:48.000000000 -0800
@@ -881,11 +881,15 @@ int
 __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
 {
 	int		 status = -ESTALE;
-	struct nfs_fattr fattr;
+	struct nfs_fattr *fattr;
 
 	dfprintk(PAGECACHE, "NFS: revalidating (%x/%Ld)\n",
 		inode->i_dev, (long long)NFS_FILEID(inode));
 
+	fattr = kmalloc(sizeof(struct nfs_fattr), GFP_KERNEL);
+	if (!fattr)
+		return -ENOMEM;
+
 	lock_kernel();
 	if (!inode || is_bad_inode(inode))
  		goto out_nowait;
@@ -903,7 +907,7 @@ __nfs_revalidate_inode(struct nfs_server
 	}
 	NFS_FLAGS(inode) |= NFS_INO_REVALIDATING;
 
-	status = NFS_PROTO(inode)->getattr(inode, &fattr);
+	status = NFS_PROTO(inode)->getattr(inode, fattr);
 	if (status) {
 		dfprintk(PAGECACHE, "nfs_revalidate_inode: (%x/%Ld) getattr failed, error=%d\n",
 			 inode->i_dev, (long long)NFS_FILEID(inode), status);
@@ -915,7 +919,7 @@ __nfs_revalidate_inode(struct nfs_server
 		goto out;
 	}
 
-	status = nfs_refresh_inode(inode, &fattr);
+	status = nfs_refresh_inode(inode, fattr);
 	if (status) {
 		dfprintk(PAGECACHE, "nfs_revalidate_inode: (%x/%Ld) refresh failed, error=%d\n",
 			 inode->i_dev, (long long)NFS_FILEID(inode), status);
@@ -930,6 +934,7 @@ out:
 	wake_up(&inode->i_wait);
  out_nowait:
 	unlock_kernel();
+	kfree(fattr);
 	return status;
 }