[PATCH 3.19.y-ckt 083/128] nfs: if we have no valid attrs, then don't declare the attribute cache valid

3.19.8-ckt12 -stable review patch. If anyone has any objections, please let me know. -- From: Jeff Layton commit c812012f9ca7cf89c9e1a1cd512e6c3b5be04b85 upstream. If we pass in an empty nfs_fattr struct to nfs_update_inode, it will (correctly) not update any of the

[PATCH 3.19.y-ckt 083/128] nfs: if we have no valid attrs, then don't declare the attribute cache valid

3.19.8-ckt12 -stable review patch. If anyone has any objections, please let me know. -- From: Jeff Layton commit c812012f9ca7cf89c9e1a1cd512e6c3b5be04b85 upstream. If we pass in an empty nfs_fattr struct to nfs_update_inode, it will (correctly) not