From: Andreas Dilger <andreas.dilger@xxxxxxxxx> Use alloc_page() and use cfs_crypto_hash_update_page() to compute the hash instead of cfs_crypto_hash_digest(), since tgt_checksum_bulk() computes the hash by page anyway. Signed-off-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5279 Reviewed-on: http://review.whamcloud.com/10982 Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx> Reviewed-by: James Simmons <uja.ornl@xxxxxxxxx> Reviewed-by: Alexander Boyko <alexander_boyko@xxxxxxxxxxx> Reviewed-by: Bob Glossman <bob.glossman@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> --- .../lustre/lnet/libcfs/linux/linux-crypto.c | 19 +++++++++++++++++-- 1 files changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c index aec7916..f8383dc 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c @@ -330,8 +330,23 @@ static void cfs_crypto_performance_test(enum cfs_crypto_hash_alg hash_alg) for (start = jiffies, end = start + sec * HZ, bcount = 0; time_before(jiffies, end); bcount++) { - err = cfs_crypto_hash_digest(hash_alg, buf, buf_len, NULL, 0, - hash, &hash_len); + struct cfs_crypto_hash_desc *hdesc; + int i; + + hdesc = cfs_crypto_hash_init(hash_alg, NULL, 0); + if (IS_ERR(hdesc)) { + err = PTR_ERR(hdesc); + break; + } + + for (i = 0; i < buf_len / PAGE_SIZE; i++) { + err = cfs_crypto_hash_update_page(hdesc, page, 0, + PAGE_SIZE); + if (err) + break; + } + + err = cfs_crypto_hash_final(hdesc, hash, &hash_len); if (err) break; } -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
