Searched refs:zstrm (Results 1 – 3 of 3) sorted by relevance
| /linux/drivers/block/zram/ |
| H A D | zcomp.c | 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->local_copy); in zcomp_strm_free()
50 vfree(zstrm->buffer); in zcomp_strm_free()
51 zstrm->buffer = NULL; in zcomp_strm_free()
54 static int zcomp_strm_init(struct zcomp *comp, struct zcomp_strm *zstrm) in zcomp_strm_init() argument
58 ret = comp->ops->create_ctx(comp->params, &zstrm->ctx); in zcomp_strm_init()
62 zstrm->local_copy = vzalloc(PAGE_SIZE); in zcomp_strm_init()
67 zstrm->buffer = vzalloc(2 * PAGE_SIZE); in zcomp_strm_init()
68 if (!zstrm->buffer || !zstrm->local_copy) { in zcomp_strm_init()
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| H A D | zcomp.h | 89 void zcomp_stream_put(struct zcomp_strm *zstrm);
91 int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm,
93 int zcomp_decompress(struct zcomp *comp, struct zcomp_strm *zstrm,
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| H A D | zram_drv.c | 1959 struct zcomp_strm *zstrm; in read_compressed_page() local
1969 zstrm = zcomp_stream_get(zram->comps[prio]); in read_compressed_page()
1970 src = zs_obj_read_begin(zram->mem_pool, handle, zstrm->local_copy); in read_compressed_page()
1972 ret = zcomp_decompress(zram->comps[prio], zstrm, src, size, dst); in read_compressed_page()
1975 zcomp_stream_put(zstrm); in read_compressed_page()
2114 struct zcomp_strm *zstrm; in zram_write_page() local
2124 zstrm = zcomp_stream_get(zram->comps[ZRAM_PRIMARY_COMP]); in zram_write_page()
2126 ret = zcomp_compress(zram->comps[ZRAM_PRIMARY_COMP], zstrm, in zram_write_page()
2131 zcomp_stream_put(zstrm); in zram_write_page()
2137 zcomp_stream_put(zstrm); in zram_write_page()
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