NFS: Clean up inode metadata updates

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

fs/nfs/inode.c

@@ -1360,12 +1360,6 @@ static void nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
 
-	if ((fattr->valid & NFS_ATTR_PRE_CHANGE) != 0
-			&& nfsi->change_attr == fattr->pre_change_attr) {
-		nfsi->change_attr = fattr->change_attr;
-		nfsi->cache_change_attribute = jiffies;
-	}
-
 	/* If we have atomic WCC data, we may update some attributes */
 	if ((fattr->valid & NFS_ATTR_WCC) != 0) {
 		if (timespec_equal(&inode->i_ctime, &fattr->pre_ctime)) {
@@ -1399,9 +1393,6 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
 	int data_unstable;
 
 
-	if ((fattr->valid & NFS_ATTR_FATTR) == 0)
-		return 0;
-
 	/* Has the inode gone and changed behind our back? */
 	if (nfsi->fileid != fattr->fileid
 			|| (inode->i_mode & S_IFMT) != (fattr->mode & S_IFMT)) {
@@ -1525,9 +1516,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 			__FUNCTION__, inode->i_sb->s_id, inode->i_ino,
 			atomic_read(&inode->i_count), fattr->valid);
 
-	if ((fattr->valid & NFS_ATTR_FATTR) == 0)
-		return 0;
-
 	if (nfsi->fileid != fattr->fileid)
 		goto out_fileid;
 

fs/nfs/nfs4proc.c

@@ -2008,7 +2008,7 @@ static int _nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *
 	if (!status) {
 		update_changeattr(dir, &res.cinfo);
 		nfs_post_op_update_inode(dir, res.dir_attr);
-		nfs_refresh_inode(inode, res.fattr);
+		nfs_post_op_update_inode(inode, res.fattr);
 	}
 
 	return status;

include/linux/nfs_xdr.h

@@ -57,8 +57,7 @@ struct nfs_fattr {
 #define NFS_ATTR_WCC		0x0001		/* pre-op WCC data    */
 #define NFS_ATTR_FATTR		0x0002		/* post-op attributes */
 #define NFS_ATTR_FATTR_V3	0x0004		/* NFSv3 attributes */
-#define NFS_ATTR_FATTR_V4	0x0008
-#define NFS_ATTR_PRE_CHANGE	0x0010
+#define NFS_ATTR_FATTR_V4	0x0008		/* NFSv4 change attribute */
 
 /*
  * Info on the file system