Lines Matching refs:nents
27 int nents; in sg_nents() local
28 for (nents = 0; sg; sg = sg_next(sg)) in sg_nents()
29 nents++; in sg_nents()
30 return nents; in sg_nents()
50 int nents; in sg_nents_for_len() local
56 for (nents = 0, total = 0; sg; sg = sg_next(sg)) { in sg_nents_for_len()
57 nents++; in sg_nents_for_len()
60 return nents; in sg_nents_for_len()
81 struct scatterlist *sg_last(struct scatterlist *sgl, unsigned int nents) in sg_last() argument
86 for_each_sg(sgl, sg, nents, i) in sg_last()
104 void sg_init_table(struct scatterlist *sgl, unsigned int nents) in sg_init_table() argument
106 memset(sgl, 0, sizeof(*sgl) * nents); in sg_init_table()
107 sg_init_marker(sgl, nents); in sg_init_table()
129 static struct scatterlist *sg_kmalloc(unsigned int nents, gfp_t gfp_mask) in sg_kmalloc() argument
131 if (nents == SG_MAX_SINGLE_ALLOC) { in sg_kmalloc()
145 return kmalloc_array(nents, sizeof(struct scatterlist), in sg_kmalloc()
149 static void sg_kfree(struct scatterlist *sg, unsigned int nents) in sg_kfree() argument
151 if (nents == SG_MAX_SINGLE_ALLOC) { in sg_kfree()
263 int __sg_alloc_table(struct sg_table *table, unsigned int nents, in __sg_alloc_table() argument
275 if (nents == 0) in __sg_alloc_table()
278 if (WARN_ON_ONCE(nents > max_ents)) in __sg_alloc_table()
282 left = nents; in __sg_alloc_table()
309 table->nents = ++table->orig_nents; in __sg_alloc_table()
315 table->nents = table->orig_nents += sg_size; in __sg_alloc_table()
352 int sg_alloc_table(struct sg_table *table, unsigned int nents, gfp_t gfp_mask) in sg_alloc_table() argument
356 ret = __sg_alloc_table(table, nents, SG_MAX_SINGLE_ALLOC, in sg_alloc_table()
523 sgt_append->sgt.nents += added_nents; in sg_alloc_append_table_from_pages()
524 sgt_append->sgt.orig_nents = sgt_append->sgt.nents; in sg_alloc_append_table_from_pages()
663 void sgl_free_n_order(struct scatterlist *sgl, int nents, int order) in sgl_free_n_order() argument
669 for_each_sg(sgl, sg, nents, i) { in sgl_free_n_order()
704 struct scatterlist *sglist, unsigned int nents, in __sg_page_iter_start() argument
708 piter->__nents = nents; in __sg_page_iter_start()
779 unsigned int nents, unsigned int flags) in sg_miter_start() argument
783 __sg_page_iter_start(&miter->piter, sgl, nents, 0); in sg_miter_start()
944 size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf, in sg_copy_buffer() argument
956 sg_miter_start(&miter, sgl, nents, sg_flags); in sg_copy_buffer()
990 size_t sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents, in sg_copy_from_buffer() argument
993 return sg_copy_buffer(sgl, nents, (void *)buf, buflen, 0, false); in sg_copy_from_buffer()
1007 size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents, in sg_copy_to_buffer() argument
1010 return sg_copy_buffer(sgl, nents, buf, buflen, 0, true); in sg_copy_to_buffer()
1025 size_t sg_pcopy_from_buffer(struct scatterlist *sgl, unsigned int nents, in sg_pcopy_from_buffer() argument
1028 return sg_copy_buffer(sgl, nents, (void *)buf, buflen, skip, false); in sg_pcopy_from_buffer()
1043 size_t sg_pcopy_to_buffer(struct scatterlist *sgl, unsigned int nents, in sg_pcopy_to_buffer() argument
1046 return sg_copy_buffer(sgl, nents, buf, buflen, skip, true); in sg_pcopy_to_buffer()
1059 size_t sg_zero_buffer(struct scatterlist *sgl, unsigned int nents, in sg_zero_buffer() argument
1066 sg_miter_start(&miter, sgl, nents, sg_flags); in sg_zero_buffer()
1095 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in extract_user_to_sg()
1124 sgtable->nents++; in extract_user_to_sg()
1134 while (sgtable->nents > sgtable->orig_nents) in extract_user_to_sg()
1135 unpin_user_page(sg_page(&sgtable->sgl[--sgtable->nents])); in extract_user_to_sg()
1150 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in extract_bvec_to_sg()
1168 sgtable->nents++; in extract_bvec_to_sg()
1196 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in extract_kvec_to_sg()
1227 sgtable->nents++; in extract_kvec_to_sg()
1257 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in extract_folioq_to_sg()
1279 sgtable->nents++; in extract_folioq_to_sg()
1317 struct scatterlist *sg = sgtable->sgl + sgtable->nents; in extract_xarray_to_sg()
1340 sgtable->nents++; in extract_xarray_to_sg()