Mercurial > illumos > illumos-gate
view usr/src/uts/common/fs/zfs/gzip.c @ 13980:d7059eb1884c
3598 want to dtrace when errors are generated in zfs
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>
author | Matthew Ahrens <mahrens@delphix.com> |
---|---|
date | Fri, 08 Mar 2013 10:41:28 -0800 |
parents | 3291401d66a6 |
children |
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/* * 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/debug.h> #include <sys/types.h> #include <sys/zmod.h> #ifdef _KERNEL #include <sys/systm.h> #else #include <strings.h> #endif size_t gzip_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) { size_t dstlen = d_len; ASSERT(d_len <= s_len); if (z_compress_level(d_start, &dstlen, s_start, s_len, n) != Z_OK) { if (d_len != s_len) return (s_len); bcopy(s_start, d_start, s_len); return (s_len); } return (dstlen); } /*ARGSUSED*/ int gzip_decompress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n) { size_t dstlen = d_len; ASSERT(d_len >= s_len); if (z_uncompress(d_start, &dstlen, s_start, s_len) != Z_OK) return (-1); return (0); }