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-rw-r--r--include/linux/scatterlist.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index b7c83254c566..22b2131bcdcd 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -276,6 +276,17 @@ int sg_alloc_table_from_pages(struct sg_table *sgt, struct page **pages,
276 unsigned int n_pages, unsigned int offset, 276 unsigned int n_pages, unsigned int offset,
277 unsigned long size, gfp_t gfp_mask); 277 unsigned long size, gfp_t gfp_mask);
278 278
279#ifdef CONFIG_SGL_ALLOC
280struct scatterlist *sgl_alloc_order(unsigned long long length,
281 unsigned int order, bool chainable,
282 gfp_t gfp, unsigned int *nent_p);
283struct scatterlist *sgl_alloc(unsigned long long length, gfp_t gfp,
284 unsigned int *nent_p);
285void sgl_free_n_order(struct scatterlist *sgl, int nents, int order);
286void sgl_free_order(struct scatterlist *sgl, int order);
287void sgl_free(struct scatterlist *sgl);
288#endif /* CONFIG_SGL_ALLOC */
289
279size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf, 290size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf,
280 size_t buflen, off_t skip, bool to_buffer); 291 size_t buflen, off_t skip, bool to_buffer);
281 292