CIFS_INODE_PENDING_WRITERS
wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS,
set_bit(CIFS_INODE_PENDING_WRITERS, &cinode->flags);
clear_bit(CIFS_INODE_PENDING_WRITERS, &cinode->flags);
wake_up_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS);
clear_bit(CIFS_INODE_PENDING_WRITERS, &cinode->flags);
wake_up_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS);