diff options
Diffstat (limited to 'include/sys/zio_compress.h')
| -rw-r--r-- | include/sys/zio_compress.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/include/sys/zio_compress.h b/include/sys/zio_compress.h index da58ef7aa..1642823d3 100644 --- a/include/sys/zio_compress.h +++ b/include/sys/zio_compress.h @@ -22,12 +22,14 @@ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. - * Copyright (c) 2015 by Delphix. All rights reserved. + * Copyright (c) 2015, 2016 by Delphix. All rights reserved. */ #ifndef _SYS_ZIO_COMPRESS_H #define _SYS_ZIO_COMPRESS_H +#include <sys/abd.h> + #ifdef __cplusplus extern "C" { #endif @@ -60,13 +62,20 @@ typedef int zio_decompress_func_t(void *src, void *dst, size_t s_len, size_t d_len, int); /* + * Common signature for all zio decompress functions using an ABD as input. + * This is helpful if you have both compressed ARC and scatter ABDs enabled, + * but is not a requirement for all compression algorithms. + */ +typedef int zio_decompress_abd_func_t(abd_t *src, void *dst, + size_t s_len, size_t d_len, int); +/* * Information about each compression function. */ typedef const struct zio_compress_info { - zio_compress_func_t *ci_compress; /* compression function */ - zio_decompress_func_t *ci_decompress; /* decompression function */ - int ci_level; /* level parameter */ - char *ci_name; /* algorithm name */ + char *ci_name; + int ci_level; + zio_compress_func_t *ci_compress; + zio_decompress_func_t *ci_decompress; } zio_compress_info_t; extern zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS]; @@ -96,13 +105,16 @@ extern size_t lz4_compress_zfs(void *src, void *dst, size_t s_len, size_t d_len, int level); extern int lz4_decompress_zfs(void *src, void *dst, size_t s_len, size_t d_len, int level); - +extern int lz4_decompress_abd(abd_t *src, void *dst, size_t s_len, size_t d_len, + int level); /* * Compress and decompress data if necessary. */ -extern size_t zio_compress_data(enum zio_compress c, void *src, void *dst, +extern size_t zio_compress_data(enum zio_compress c, abd_t *src, void *dst, size_t s_len); -extern int zio_decompress_data(enum zio_compress c, void *src, void *dst, +extern int zio_decompress_data(enum zio_compress c, abd_t *src, void *dst, + size_t s_len, size_t d_len); +extern int zio_decompress_data_buf(enum zio_compress c, void *src, void *dst, size_t s_len, size_t d_len); #ifdef __cplusplus |