1 files changed, 0 insertions, 148 deletions
diff --git a/sys/contrib/opensolaris/uts/common/fs/zfs/zio_compress.c b/sys/contrib/opensolaris/uts/common/fs/zfs/zio_compress.c
deleted file mode 100644
index c563be4..0000000
--- a/sys/contrib/opensolaris/uts/common/fs/zfs/zio_compress.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-#include <sys/zfs_context.h>
-#include <sys/compress.h>
-#include <sys/spa.h>
-#include <sys/zio.h>
-#include <sys/zio_compress.h>
-
-/*
- * Compression vectors.
- */
-
-zio_compress_info_t zio_compress_table[ZIO_COMPRESS_FUNCTIONS] = {
-	{NULL,			NULL,			0,	"inherit"},
-	{NULL,			NULL,			0,	"on"},
-	{NULL,			NULL,			0,	"uncompressed"},
-	{lzjb_compress,		lzjb_decompress,	0,	"lzjb"},
-	{NULL,			NULL,			0,	"empty"},
-	{gzip_compress,		gzip_decompress,	1,	"gzip-1"},
-	{gzip_compress,		gzip_decompress,	2,	"gzip-2"},
-	{gzip_compress,		gzip_decompress,	3,	"gzip-3"},
-	{gzip_compress,		gzip_decompress,	4,	"gzip-4"},
-	{gzip_compress,		gzip_decompress,	5,	"gzip-5"},
-	{gzip_compress,		gzip_decompress,	6,	"gzip-6"},
-	{gzip_compress,		gzip_decompress,	7,	"gzip-7"},
-	{gzip_compress,		gzip_decompress,	8,	"gzip-8"},
-	{gzip_compress,		gzip_decompress,	9,	"gzip-9"},
-};
-
-uint8_t
-zio_compress_select(uint8_t child, uint8_t parent)
-{
-	ASSERT(child < ZIO_COMPRESS_FUNCTIONS);
-	ASSERT(parent < ZIO_COMPRESS_FUNCTIONS);
-	ASSERT(parent != ZIO_COMPRESS_INHERIT && parent != ZIO_COMPRESS_ON);
-
-	if (child == ZIO_COMPRESS_INHERIT)
-		return (parent);
-
-	if (child == ZIO_COMPRESS_ON)
-		return (ZIO_COMPRESS_ON_VALUE);
-
-	return (child);
-}
-
-int
-zio_compress_data(int cpfunc, void *src, uint64_t srcsize, void **destp,
-    uint64_t *destsizep, uint64_t *destbufsizep)
-{
-	uint64_t *word, *word_end;
-	uint64_t ciosize, gapsize, destbufsize;
-	zio_compress_info_t *ci = &zio_compress_table[cpfunc];
-	char *dest;
-	uint_t allzero;
-
-	ASSERT((uint_t)cpfunc < ZIO_COMPRESS_FUNCTIONS);
-	ASSERT((uint_t)cpfunc == ZIO_COMPRESS_EMPTY || ci->ci_compress != NULL);
-
-	/*
-	 * If the data is all zeroes, we don't even need to allocate
-	 * a block for it.  We indicate this by setting *destsizep = 0.
-	 */
-	allzero = 1;
-	word = src;
-	word_end = (uint64_t *)(uintptr_t)((uintptr_t)word + srcsize);
-	while (word < word_end) {
-		if (*word++ != 0) {
-			allzero = 0;
-			break;
-		}
-	}
-	if (allzero) {
-		*destp = NULL;
-		*destsizep = 0;
-		*destbufsizep = 0;
-		return (1);
-	}
-
-	if (cpfunc == ZIO_COMPRESS_EMPTY)
-		return (0);
-
-	/* Compress at least 12.5% */
-	destbufsize = P2ALIGN(srcsize - (srcsize >> 3), SPA_MINBLOCKSIZE);
-	if (destbufsize == 0)
-		return (0);
-	dest = zio_buf_alloc(destbufsize);
-
-	ciosize = ci->ci_compress(src, dest, (size_t)srcsize,
-	    (size_t)destbufsize, ci->ci_level);
-	if (ciosize > destbufsize) {
-		zio_buf_free(dest, destbufsize);
-		return (0);
-	}
-
-	/* Cool.  We compressed at least as much as we were hoping to. */
-
-	/* For security, make sure we don't write random heap crap to disk */
-	gapsize = P2ROUNDUP(ciosize, SPA_MINBLOCKSIZE) - ciosize;
-	if (gapsize != 0) {
-		bzero(dest + ciosize, gapsize);
-		ciosize += gapsize;
-	}
-
-	ASSERT3U(ciosize, <=, destbufsize);
-	ASSERT(P2PHASE(ciosize, SPA_MINBLOCKSIZE) == 0);
-	*destp = dest;
-	*destsizep = ciosize;
-	*destbufsizep = destbufsize;
-
-	return (1);
-}
-
-int
-zio_decompress_data(int cpfunc, void *src, uint64_t srcsize,
-	void *dest, uint64_t destsize)
-{
-	zio_compress_info_t *ci = &zio_compress_table[cpfunc];
-
-	ASSERT((uint_t)cpfunc < ZIO_COMPRESS_FUNCTIONS);
-
-	return (ci->ci_decompress(src, dest, srcsize, destsize, ci->ci_level));
-}