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DLPX-44812 integrate EP-220 large memory scalability

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This commit is contained in:
David Quigley
2016-07-22 11:52:49 -04:00
committed by Brian Behlendorf
parent 616fa7c02b
commit a6255b7fce
49 changed files with 2625 additions and 798 deletions
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include/sys/zio_compress.h
+20 -8
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@@ -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
@@ -59,14 +61,21 @@ typedef size_t zio_compress_func_t(void *src, void *dst,
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