Lines Matching refs:nents
47 int nents; in sg_nents() local
48 for (nents = 0; sg; sg = sg_next(sg)) in sg_nents()
49 nents++; in sg_nents()
50 return nents; in sg_nents()
70 int nents; in sg_nents_for_len() local
76 for (nents = 0, total = 0; sg; sg = sg_next(sg)) { in sg_nents_for_len()
77 nents++; in sg_nents_for_len()
80 return nents; in sg_nents_for_len()
101 struct scatterlist *sg_last(struct scatterlist *sgl, unsigned int nents) in sg_last() argument
106 for_each_sg(sgl, sg, nents, i) in sg_last()
124 void sg_init_table(struct scatterlist *sgl, unsigned int nents) in sg_init_table() argument
126 memset(sgl, 0, sizeof(*sgl) * nents); in sg_init_table()
127 sg_init_marker(sgl, nents); in sg_init_table()
149 static struct scatterlist *sg_kmalloc(unsigned int nents, gfp_t gfp_mask) in sg_kmalloc() argument
151 if (nents == SG_MAX_SINGLE_ALLOC) { in sg_kmalloc()
165 return kmalloc_array(nents, sizeof(struct scatterlist), in sg_kmalloc()
169 static void sg_kfree(struct scatterlist *sg, unsigned int nents) in sg_kfree() argument
171 if (nents == SG_MAX_SINGLE_ALLOC) { in sg_kfree()
282 int __sg_alloc_table(struct sg_table *table, unsigned int nents, in __sg_alloc_table() argument
294 if (nents == 0) in __sg_alloc_table()
297 if (WARN_ON_ONCE(nents > max_ents)) in __sg_alloc_table()
301 left = nents; in __sg_alloc_table()
328 table->nents = ++table->orig_nents; in __sg_alloc_table()
334 table->nents = table->orig_nents += sg_size; in __sg_alloc_table()
371 int sg_alloc_table(struct sg_table *table, unsigned int nents, gfp_t gfp_mask) in sg_alloc_table() argument
375 ret = __sg_alloc_table(table, nents, SG_MAX_SINGLE_ALLOC, in sg_alloc_table()
532 sgt_append->sgt.nents += added_nents; in sg_alloc_append_table_from_pages()
533 sgt_append->sgt.orig_nents = sgt_append->sgt.nents; in sg_alloc_append_table_from_pages()
672 void sgl_free_n_order(struct scatterlist *sgl, int nents, int order) in sgl_free_n_order() argument
678 for_each_sg(sgl, sg, nents, i) { in sgl_free_n_order()
713 struct scatterlist *sglist, unsigned int nents, in __sg_page_iter_start() argument
717 piter->__nents = nents; in __sg_page_iter_start()
787 unsigned int nents, unsigned int flags) in sg_miter_start() argument
791 __sg_page_iter_start(&miter->piter, sgl, nents, 0); in sg_miter_start()
948 size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf, in sg_copy_buffer() argument
960 sg_miter_start(&miter, sgl, nents, sg_flags); in sg_copy_buffer()
994 size_t sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents, in sg_copy_from_buffer() argument
997 return sg_copy_buffer(sgl, nents, (void *)buf, buflen, 0, false); in sg_copy_from_buffer()
1011 size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents, in sg_copy_to_buffer() argument
1014 return sg_copy_buffer(sgl, nents, buf, buflen, 0, true); in sg_copy_to_buffer()
1029 size_t sg_pcopy_from_buffer(struct scatterlist *sgl, unsigned int nents, in sg_pcopy_from_buffer() argument
1032 return sg_copy_buffer(sgl, nents, (void *)buf, buflen, skip, false); in sg_pcopy_from_buffer()
1047 size_t sg_pcopy_to_buffer(struct scatterlist *sgl, unsigned int nents, in sg_pcopy_to_buffer() argument
1050 return sg_copy_buffer(sgl, nents, buf, buflen, skip, true); in sg_pcopy_to_buffer()
1063 size_t sg_zero_buffer(struct scatterlist *sgl, unsigned int nents, in sg_zero_buffer() argument
1070 sg_miter_start(&miter, sgl, nents, sg_flags); in sg_zero_buffer()