[PATCH 03/12] staging: lustre: libcfs: rename some variables for crypto handling

From: James Simmons
Date: Sat Mar 26 2016 - 15:42:34 EST


From: Andreas Dilger <andreas.dilger@xxxxxxxxx>

For the crypto algorthim type use the same name hash_alg everywhere.

Signed-off-by: Andreas Dilger <andreas.dilger@xxxxxxxxx>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5053
Reviewed-on: http://review.whamcloud.com/9990
Reviewed-by: Bob Glossman <bob.glossman@xxxxxxxxx>
Reviewed-by: James Simmons <uja.ornl@xxxxxxxxx>
Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
---
.../lustre/include/linux/libcfs/libcfs_crypto.h | 4 +-
.../lustre/lnet/libcfs/linux/linux-crypto.c | 30 ++++++++++----------
2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h
index 5182416..0782bfb 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h
@@ -134,7 +134,7 @@ static inline unsigned char cfs_crypto_hash_alg(const char *algname)
return (i == CFS_HASH_ALG_MAX ? 0xFF : i);
}

-int cfs_crypto_hash_digest(unsigned char alg,
+int cfs_crypto_hash_digest(unsigned char hash_alg,
const void *buf, unsigned int buf_len,
unsigned char *key, unsigned int key_len,
unsigned char *hash, unsigned int *hash_len);
@@ -143,7 +143,7 @@ int cfs_crypto_hash_digest(unsigned char alg,
struct cfs_crypto_hash_desc;

struct cfs_crypto_hash_desc*
- cfs_crypto_hash_init(unsigned char alg,
+ cfs_crypto_hash_init(unsigned char hash_alg,
unsigned char *key, unsigned int key_len);
int cfs_crypto_hash_update_page(struct cfs_crypto_hash_desc *desc,
struct page *page, unsigned int offset,
diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c
index 8960c3a..1a9eb77 100644
--- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c
+++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c
@@ -57,7 +57,7 @@ static int cfs_crypto_hash_speeds[CFS_HASH_ALG_MAX];
* \retval 0 on success
* \retval negative errno on failure
*/
-static int cfs_crypto_hash_alloc(unsigned char alg_id,
+static int cfs_crypto_hash_alloc(unsigned char hash_alg,
const struct cfs_crypto_hash_type **type,
struct ahash_request **req,
unsigned char *key,
@@ -66,11 +66,11 @@ static int cfs_crypto_hash_alloc(unsigned char alg_id,
struct crypto_ahash *tfm;
int err = 0;

- *type = cfs_crypto_hash_type(alg_id);
+ *type = cfs_crypto_hash_type(hash_alg);

if (!*type) {
CWARN("Unsupported hash algorithm id = %d, max id is %d\n",
- alg_id, CFS_HASH_ALG_MAX);
+ hash_alg, CFS_HASH_ALG_MAX);
return -EINVAL;
}
tfm = crypto_alloc_ahash((*type)->cht_name, 0, CRYPTO_ALG_ASYNC);
@@ -105,7 +105,7 @@ static int cfs_crypto_hash_alloc(unsigned char alg_id,

CDEBUG(D_INFO, "Using crypto hash: %s (%s) speed %d MB/s\n",
crypto_ahash_alg_name(tfm), crypto_ahash_driver_name(tfm),
- cfs_crypto_hash_speeds[alg_id]);
+ cfs_crypto_hash_speeds[hash_alg]);

err = crypto_ahash_init(*req);
if (err) {
@@ -133,7 +133,7 @@ static int cfs_crypto_hash_alloc(unsigned char alg_id,
* \param[in,out] hash_len size of \a hash buffer
*
* \retval -EINVAL \a buf, \a buf_len, \a hash_len,
- * \a alg_id invalid
+ * \a hash_alg invalid
* \retval -ENOENT \a hash_alg is unsupported
* \retval -ENOSPC \a hash is NULL, or \a hash_len less than
* digest size
@@ -141,7 +141,7 @@ static int cfs_crypto_hash_alloc(unsigned char alg_id,
* \retval negative errno for other errors from lower
* layers.
*/
-int cfs_crypto_hash_digest(unsigned char alg_id,
+int cfs_crypto_hash_digest(unsigned char hash_alg,
const void *buf, unsigned int buf_len,
unsigned char *key, unsigned int key_len,
unsigned char *hash, unsigned int *hash_len)
@@ -154,7 +154,7 @@ int cfs_crypto_hash_digest(unsigned char alg_id,
if (!buf || buf_len == 0 || !hash_len)
return -EINVAL;

- err = cfs_crypto_hash_alloc(alg_id, &type, &req, key, key_len);
+ err = cfs_crypto_hash_alloc(hash_alg, &type, &req, key, key_len);
if (err != 0)
return err;

@@ -193,14 +193,14 @@ EXPORT_SYMBOL(cfs_crypto_hash_digest);
* \retval ERR_PTR(errno) in case of error
*/
struct cfs_crypto_hash_desc *
- cfs_crypto_hash_init(unsigned char alg_id,
+ cfs_crypto_hash_init(unsigned char hash_alg,
unsigned char *key, unsigned int key_len)
{
struct ahash_request *req;
int err;
const struct cfs_crypto_hash_type *type;

- err = cfs_crypto_hash_alloc(alg_id, &type, &req, key, key_len);
+ err = cfs_crypto_hash_alloc(hash_alg, &type, &req, key, key_len);

if (err)
return ERR_PTR(err);
@@ -309,7 +309,7 @@ EXPORT_SYMBOL(cfs_crypto_hash_final);
* \param[in] buf data buffer on which to compute the hash
* \param[in] buf_len length of \buf on which to compute hash
*/
-static void cfs_crypto_performance_test(unsigned char alg_id,
+static void cfs_crypto_performance_test(unsigned char hash_alg,
const unsigned char *buf,
unsigned int buf_len)
{
@@ -321,7 +321,7 @@ static void cfs_crypto_performance_test(unsigned char alg_id,

for (start = jiffies, end = start + sec * HZ, bcount = 0;
time_before(jiffies, end); bcount++) {
- err = cfs_crypto_hash_digest(alg_id, buf, buf_len, NULL, 0,
+ err = cfs_crypto_hash_digest(hash_alg, buf, buf_len, NULL, 0,
hash, &hash_len);
if (err)
break;
@@ -329,18 +329,18 @@ static void cfs_crypto_performance_test(unsigned char alg_id,
end = jiffies;

if (err) {
- cfs_crypto_hash_speeds[alg_id] = -1;
+ cfs_crypto_hash_speeds[hash_alg] = -1;
CDEBUG(D_INFO, "Crypto hash algorithm %s, err = %d\n",
- cfs_crypto_hash_name(alg_id), err);
+ cfs_crypto_hash_name(hash_alg), err);
} else {
unsigned long tmp;

tmp = ((bcount * buf_len / jiffies_to_msecs(end - start)) *
1000) / (1024 * 1024);
- cfs_crypto_hash_speeds[alg_id] = (int)tmp;
+ cfs_crypto_hash_speeds[hash_alg] = (int)tmp;
}
CDEBUG(D_INFO, "Crypto hash algorithm %s speed = %d MB/s\n",
- cfs_crypto_hash_name(alg_id), cfs_crypto_hash_speeds[alg_id]);
+ cfs_crypto_hash_name(hash_alg), cfs_crypto_hash_speeds[hash_alg]);
}

/**
--
1.7.1