diff options
| author | Tom Caputi <[email protected]> | 2018-03-15 13:53:58 -0400 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-03-15 10:53:58 -0700 |
| commit | 38742209322b5b3d93635a4820b2f9c755aadee8 (patch) | |
| tree | 166b15847cb283cb710e93c73933fc0279cbcce5 /module/zfs/qat_compress.c | |
| parent | 8a2a9db8df7d421aedeababf7b1ecbb51642f16c (diff) | |
SHA256 QAT acceleration
This patch enables acceleration of SHA256 checksums using Intel
Quick Assist Technology. This patch also fixes up and refactors
some of the code from QAT encryption to make the behavior
consistent.
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Chengfeix Zhu <[email protected]>
Signed-off-by: Weigang Li <[email protected]>
Signed-off-by: Tom Caputi <[email protected]>
Closes #7295
Diffstat (limited to 'module/zfs/qat_compress.c')
| -rw-r--r-- | module/zfs/qat_compress.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/module/zfs/qat_compress.c b/module/zfs/qat_compress.c index 3d756b53d..2116c9790 100644 --- a/module/zfs/qat_compress.c +++ b/module/zfs/qat_compress.c @@ -47,11 +47,12 @@ static CpaBufferList **buffer_array[QAT_DC_MAX_INSTANCES]; static Cpa16U num_inst = 0; static Cpa32U inst_num = 0; static boolean_t qat_dc_init_done = B_FALSE; +int zfs_qat_compress_disable = 0; boolean_t qat_dc_use_accel(size_t s_len) { - return (!zfs_qat_disable && + return (!zfs_qat_compress_disable && qat_dc_init_done && s_len >= QAT_MIN_BUF_SIZE && s_len <= QAT_MAX_BUF_SIZE); @@ -471,4 +472,7 @@ fail: return (ret); } +module_param(zfs_qat_compress_disable, int, 0644); +MODULE_PARM_DESC(zfs_qat_compress_disable, "Disable QAT compression"); + #endif |