288  * lnc_add - add a leaf node to the leaf node cache.
290  * @zbr: zbranch of leaf node
291  * @node: leaf node
293  * Leaf nodes are non-index nodes directory entry nodes or data nodes. The
294  * purpose of the leaf node cache is to save re-reading the same leaf node over
297  * present implementation of the leaf node cache is extremely simple, and
314 	ubifs_assert(!zbr->leaf);  in lnc_add()
330 	zbr->leaf = lnc_node;  in lnc_add()
335  * lnc_add_directly - add a leaf node to the leaf-node-cache.
337  * @zbr: zbranch of leaf node
338  * @node: leaf node
348 	ubifs_assert(!zbr->leaf);  in lnc_add_directly()
358 	zbr->leaf = node;  in lnc_add_directly()
363  * lnc_free - remove a leaf node from the leaf node cache.
364  * @zbr: zbranch of leaf node
365  * @node: leaf node
369 	if (!zbr->leaf)  in lnc_free()
371 	kfree(zbr->leaf);  in lnc_free()
372 	zbr->leaf = NULL;  in lnc_free()
376  * tnc_read_node_nm - read a "hashed" leaf node.
381  * This function reads a "hashed" node defined by @zbr from the leaf node cache
393 	if (zbr->leaf) {  in tnc_read_node_nm()
394 		/* Read from the leaf node cache */  in tnc_read_node_nm()
396 		memcpy(node, zbr->leaf, zbr->len);  in tnc_read_node_nm()
404 	/* Add the node to the leaf node cache */  in tnc_read_node_nm()
472  * fallible_read_node - try to read a leaf node.
522 	/* If possible, match against the dent in the leaf node cache */  in matches_name()
523 	if (!zbr->leaf) {  in matches_name()
532 		/* Add the node to the leaf node cache */  in matches_name()
537 		dent = zbr->leaf;  in matches_name()
810 	/* If possible, match against the dent in the leaf node cache */  in fallible_matches_name()
811 	if (!zbr->leaf) {  in fallible_matches_name()
830 		dent = zbr->leaf;  in fallible_matches_name()
1452 		 * In this case the leaf node cache gets used, so we pass the  in ubifs_tnc_locate()
2369  * This function deletes a leaf node from @n-th slot of @znode. Returns zero in