28 	struct zcomp_strm *zstrm;  member
65 static void zcomp_strm_free(struct zcomp *comp, struct zcomp_strm *zstrm)  in zcomp_strm_free()  argument
67 	if (zstrm->private)  in zcomp_strm_free()
68 		comp->backend->destroy(zstrm->private);  in zcomp_strm_free()
69 	free_pages((unsigned long)zstrm->buffer, 1);  in zcomp_strm_free()
70 	kfree(zstrm);  in zcomp_strm_free()
79 	struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_NOIO);  in zcomp_strm_alloc()  local
80 	if (!zstrm)  in zcomp_strm_alloc()
83 	zstrm->private = comp->backend->create();  in zcomp_strm_alloc()
88 	zstrm->buffer = (void *)__get_free_pages(GFP_NOIO | __GFP_ZERO, 1);  in zcomp_strm_alloc()
89 	if (!zstrm->private || !zstrm->buffer) {  in zcomp_strm_alloc()
90 		zcomp_strm_free(comp, zstrm);  in zcomp_strm_alloc()
91 		zstrm = NULL;  in zcomp_strm_alloc()
93 	return zstrm;  in zcomp_strm_alloc()
103 	struct zcomp_strm *zstrm;  in zcomp_strm_multi_find()  local
108 			zstrm = list_entry(zs->idle_strm.next,  in zcomp_strm_multi_find()
110 			list_del(&zstrm->list);  in zcomp_strm_multi_find()
112 			return zstrm;  in zcomp_strm_multi_find()
124 		zstrm = zcomp_strm_alloc(comp);  in zcomp_strm_multi_find()
125 		if (!zstrm) {  in zcomp_strm_multi_find()
134 	return zstrm;  in zcomp_strm_multi_find()
138 static void zcomp_strm_multi_release(struct zcomp *comp, struct zcomp_strm *zstrm)  in zcomp_strm_multi_release()  argument
144 		list_add(&zstrm->list, &zs->idle_strm);  in zcomp_strm_multi_release()
152 	zcomp_strm_free(comp, zstrm);  in zcomp_strm_multi_release()
159 	struct zcomp_strm *zstrm;  in zcomp_strm_multi_set_max_streams()  local
168 		zstrm = list_entry(zs->idle_strm.next,  in zcomp_strm_multi_set_max_streams()
170 		list_del(&zstrm->list);  in zcomp_strm_multi_set_max_streams()
171 		zcomp_strm_free(comp, zstrm);  in zcomp_strm_multi_set_max_streams()
181 	struct zcomp_strm *zstrm;  in zcomp_strm_multi_destroy()  local
184 		zstrm = list_entry(zs->idle_strm.next,  in zcomp_strm_multi_destroy()
186 		list_del(&zstrm->list);  in zcomp_strm_multi_destroy()
187 		zcomp_strm_free(comp, zstrm);  in zcomp_strm_multi_destroy()
194 	struct zcomp_strm *zstrm;  in zcomp_strm_multi_create()  local
212 	zstrm = zcomp_strm_alloc(comp);  in zcomp_strm_multi_create()
213 	if (!zstrm) {  in zcomp_strm_multi_create()
217 	list_add(&zstrm->list, &zs->idle_strm);  in zcomp_strm_multi_create()
225 	return zs->zstrm;  in zcomp_strm_single_find()
229 		struct zcomp_strm *zstrm)  in zcomp_strm_single_release()  argument
244 	zcomp_strm_free(comp, zs->zstrm);  in zcomp_strm_single_destroy()
262 	zs->zstrm = zcomp_strm_alloc(comp);  in zcomp_strm_single_create()
263 	if (!zs->zstrm) {  in zcomp_strm_single_create()
299 void zcomp_strm_release(struct zcomp *comp, struct zcomp_strm *zstrm)  in zcomp_strm_release()  argument
301 	comp->strm_release(comp, zstrm);  in zcomp_strm_release()
304 int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm,  in zcomp_compress()  argument
307 	return comp->backend->compress(src, zstrm->buffer, dst_len,  in zcomp_compress()
308 			zstrm->private);  in zcomp_compress()