1 files changed, 27 insertions, 7 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 360114ae8b82..9dbef878a2b2 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -588,6 +588,25 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr)
 }
 EXPORT_SYMBOL_GPL(nfs_setattr_update_inode);
 
+static void nfs_request_parent_use_readdirplus(struct dentry *dentry)
+{
+        struct dentry *parent;
+
+        parent = dget_parent(dentry);
+        nfs_force_use_readdirplus(parent->d_inode);
+        dput(parent);
+}
+
+static bool nfs_need_revalidate_inode(struct inode *inode)
+{
+        if (NFS_I(inode)->cache_validity &
+                        (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL))
+                return true;
+        if (nfs_attribute_cache_expired(inode))
+                return true;
+        return false;
+}
+
 int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
 {
         struct inode *inode = dentry->d_inode;
@@ -616,10 +635,13 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
             ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))
                 need_atime = 0;
 
-        if (need_atime)
-                err = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
-        else
-                err = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+        if (need_atime || nfs_need_revalidate_inode(inode)) {
+                struct nfs_server *server = NFS_SERVER(inode);
+
+                if (server->caps & NFS_CAP_READDIRPLUS)
+                        nfs_request_parent_use_readdirplus(dentry);
+                err = __nfs_revalidate_inode(server, inode);
+        }
         if (!err) {
                 generic_fillattr(inode, stat);
                 stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode));
@@ -961,9 +983,7 @@ int nfs_attribute_cache_expired(struct inode *inode)
  */
 int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
 {
-        if (!(NFS_I(inode)->cache_validity &
-                        (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL))
-                        && !nfs_attribute_cache_expired(inode))
+        if (!nfs_need_revalidate_inode(inode))
                 return NFS_STALE(inode) ? -ESTALE : 0;
         return __nfs_revalidate_inode(server, inode);
 }