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Merge pull request #1671 from ephiepark/dev

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Adding targetCBlockSize param
This commit is contained in:
Yann Collet
2019-07-03 17:47:44 -07:00
committed by GitHub
parent e962f07d19 9007701670
commit 096714d1b8
7 changed files with 46 additions and 1 deletions
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8
programs/fileio.c
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@ -304,6 +304,7 @@ struct FIO_prefs_s {
int ldmMinMatch;
int ldmBucketSizeLog;
int ldmHashRateLog;
size_t targetCBlockSize;
ZSTD_literalCompressionMode_e literalCompressionMode;
/* IO preferences */
@ -348,6 +349,7 @@ FIO_prefs_t* FIO_createPreferences(void)
ret->ldmMinMatch = 0;
ret->ldmBucketSizeLog = FIO_LDM_PARAM_NOTSET;
ret->ldmHashRateLog = FIO_LDM_PARAM_NOTSET;
ret->targetCBlockSize = 0;
ret->literalCompressionMode = ZSTD_lcm_auto;
return ret;
}
@ -416,6 +418,10 @@ void FIO_setRsyncable(FIO_prefs_t* const prefs, int rsyncable) {
prefs->rsyncable = rsyncable;
}
void FIO_setTargetCBlockSize(FIO_prefs_t* const prefs, size_t targetCBlockSize) {
prefs->targetCBlockSize = targetCBlockSize;
}
void FIO_setLiteralCompressionMode(
FIO_prefs_t* const prefs,
ZSTD_literalCompressionMode_e mode) {
@ -659,6 +665,8 @@ static cRess_t FIO_createCResources(FIO_prefs_t* const prefs,
CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_c_checksumFlag, prefs->checksumFlag) );
/* compression level */
CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_c_compressionLevel, cLevel) );
/* max compressed block size */
CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_c_targetCBlockSize, (int)prefs->targetCBlockSize) );
/* long distance matching */
CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_c_enableLongDistanceMatching, prefs->ldmFlag) );
CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_c_ldmHashLog, prefs->ldmHashLog) );