21 					    struct scatterlist *sg, int num)  in scatterwalk_crypto_chain()  argument
23 	if (sg)  in scatterwalk_crypto_chain()
24 		sg_chain(head, num, sg);  in scatterwalk_crypto_chain()
31 	unsigned int len = walk->sg->offset + walk->sg->length - walk->offset;  in scatterwalk_pagelen()
51 	return sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT);  in scatterwalk_page()
60 				     struct scatterlist *sg)  in scatterwalk_start()  argument
62 	walk->sg = sg;  in scatterwalk_start()
63 	walk->offset = sg->offset;  in scatterwalk_start()
78 		page = sg_page(walk->sg) + ((walk->offset - 1) >> PAGE_SHIFT);  in scatterwalk_pagedone()
82 	if (more && walk->offset >= walk->sg->offset + walk->sg->length)  in scatterwalk_pagedone()
83 		scatterwalk_start(walk, sg_next(walk->sg));  in scatterwalk_pagedone()
89 	if (!more || walk->offset >= walk->sg->offset + walk->sg->length ||  in scatterwalk_done()
97 void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,