Lines Matching refs:zstrm
46 static void zcomp_strm_free(struct zcomp *comp, struct zcomp_strm *zstrm) in zcomp_strm_free() argument
48 comp->ops->destroy_ctx(&zstrm->ctx); in zcomp_strm_free()
49 vfree(zstrm->buffer); in zcomp_strm_free()
50 zstrm->buffer = NULL; in zcomp_strm_free()
53 static int zcomp_strm_init(struct zcomp *comp, struct zcomp_strm *zstrm) in zcomp_strm_init() argument
57 ret = comp->ops->create_ctx(comp->params, &zstrm->ctx); in zcomp_strm_init()
65 zstrm->buffer = vzalloc(2 * PAGE_SIZE); in zcomp_strm_init()
66 if (!zstrm->buffer) { in zcomp_strm_init()
67 zcomp_strm_free(comp, zstrm); in zcomp_strm_init()
121 int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm, in zcomp_compress() argument
126 .dst = zstrm->buffer, in zcomp_compress()
132 ret = comp->ops->compress(comp->params, &zstrm->ctx, &req); in zcomp_compress()
138 int zcomp_decompress(struct zcomp *comp, struct zcomp_strm *zstrm, in zcomp_decompress() argument
148 return comp->ops->decompress(comp->params, &zstrm->ctx, &req); in zcomp_decompress()
154 struct zcomp_strm *zstrm; in zcomp_cpu_up_prepare() local
157 zstrm = per_cpu_ptr(comp->stream, cpu); in zcomp_cpu_up_prepare()
158 local_lock_init(&zstrm->lock); in zcomp_cpu_up_prepare()
160 ret = zcomp_strm_init(comp, zstrm); in zcomp_cpu_up_prepare()
169 struct zcomp_strm *zstrm; in zcomp_cpu_dead() local
171 zstrm = per_cpu_ptr(comp->stream, cpu); in zcomp_cpu_dead()
172 zcomp_strm_free(comp, zstrm); in zcomp_cpu_dead()