XFS_IEXT_KEY_INVALID
if (node->keys[i] == XFS_IEXT_KEY_INVALID)
if (node->keys[i] == XFS_IEXT_KEY_INVALID)
node->keys[i] = XFS_IEXT_KEY_INVALID;
node->keys[nr_keep + i] = XFS_IEXT_KEY_INVALID;
new->keys[i] = XFS_IEXT_KEY_INVALID;
node->keys[nr_entries] = XFS_IEXT_KEY_INVALID;