diff options
| -rw-r--r-- | fs/btrfs/hash.c | 5 | ||||
| -rw-r--r-- | fs/btrfs/hash.h | 1 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 5 |
3 files changed, 9 insertions, 2 deletions
diff --git a/fs/btrfs/hash.c b/fs/btrfs/hash.c index aae520b2aee5..a97fdc156a03 100644 --- a/fs/btrfs/hash.c +++ b/fs/btrfs/hash.c @@ -24,6 +24,11 @@ int __init btrfs_hash_init(void) return PTR_ERR_OR_ZERO(tfm); } +const char* btrfs_crc32c_impl(void) +{ + return crypto_tfm_alg_driver_name(crypto_shash_tfm(tfm)); +} + void btrfs_hash_exit(void) { crypto_free_shash(tfm); diff --git a/fs/btrfs/hash.h b/fs/btrfs/hash.h index 118a2316e5d3..c3a2ec554361 100644 --- a/fs/btrfs/hash.h +++ b/fs/btrfs/hash.h @@ -22,6 +22,7 @@ int __init btrfs_hash_init(void); void btrfs_hash_exit(void); +const char* btrfs_crc32c_impl(void); u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length); diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 4e59a91a11e0..4397a303fc6c 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2303,7 +2303,7 @@ static void btrfs_interface_exit(void) static void btrfs_print_mod_info(void) { - printk(KERN_INFO "Btrfs loaded" + printk(KERN_INFO "Btrfs loaded, crc32c=%s" #ifdef CONFIG_BTRFS_DEBUG ", debug=on" #endif @@ -2313,7 +2313,8 @@ static void btrfs_print_mod_info(void) #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY ", integrity-checker=on" #endif - "\n"); + "\n", + btrfs_crc32c_impl()); } static int btrfs_run_sanity_tests(void) |