NFS: Don't set NFS_INO_INVALID_XATTR if there is no xattr cache

[ Upstream commit 848fdd6 ]

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

fs/nfs/inode.c

@@ -195,6 +195,18 @@ bool nfs_check_cache_invalid(struct inode *inode, unsigned long flags)
 }
 EXPORT_SYMBOL_GPL(nfs_check_cache_invalid);
 
+#ifdef CONFIG_NFS_V4_2
+static bool nfs_has_xattr_cache(const struct nfs_inode *nfsi)
+{
+	return nfsi->xattr_cache != NULL;
+}
+#else
+static bool nfs_has_xattr_cache(const struct nfs_inode *nfsi)
+{
+	return false;
+}
+#endif
+
 static void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
@@ -210,6 +222,8 @@ static void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
 	} else if (flags & NFS_INO_REVAL_PAGECACHE)
 		flags |= NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE;
 
+	if (!nfs_has_xattr_cache(nfsi))
+		flags &= ~NFS_INO_INVALID_XATTR;
 	if (inode->i_mapping->nrpages == 0)
 		flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER);
 	nfsi->cache_validity |= flags;