diff options
Diffstat (limited to 'drivers/md/dm-crypt.c')
| -rw-r--r-- | drivers/md/dm-crypt.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index fc7d8b8a654f..509fb20f7f86 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1885,6 +1885,13 @@ static int crypt_alloc_tfms_skcipher(struct crypt_config *cc, char *ciphermode) } } + /* + * dm-crypt performance can vary greatly depending on which crypto + * algorithm implementation is used. Help people debug performance + * problems by logging the ->cra_driver_name. + */ + DMINFO("%s using implementation \"%s\"", ciphermode, + crypto_skcipher_alg(any_tfm(cc))->base.cra_driver_name); return 0; } @@ -1903,6 +1910,8 @@ static int crypt_alloc_tfms_aead(struct crypt_config *cc, char *ciphermode) return err; } + DMINFO("%s using implementation \"%s\"", ciphermode, + crypto_aead_alg(any_tfm_aead(cc))->base.cra_driver_name); return 0; } |