diff options
author | Chris Mason <chris.mason@oracle.com> | 2007-05-10 12:36:17 -0400 |
---|---|---|
committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-05-10 12:36:17 -0400 |
commit | 509659cde578d891445afd67d87121dd13e71596 (patch) | |
tree | 17d663e2fed7c1674c5cd9c02f30ef3a56afcaf2 /fs/btrfs/disk-io.c | |
parent | 8d7be552a733e53135a91d2d28f57ab87dc0e889 (diff) | |
download | kernel_goldelico_gta04-509659cde578d891445afd67d87121dd13e71596.zip kernel_goldelico_gta04-509659cde578d891445afd67d87121dd13e71596.tar.gz kernel_goldelico_gta04-509659cde578d891445afd67d87121dd13e71596.tar.bz2 |
Btrfs: switch to crc32c instead of sha256
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r-- | fs/btrfs/disk-io.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 2dbf422..678456d 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -196,14 +196,14 @@ int btrfs_csum_data(struct btrfs_root * root, char *data, size_t len, ret = crypto_hash_digest(&desc, &sg, 1, result); spin_unlock(&root->fs_info->hash_lock); if (ret) { - printk("sha256 digest failed\n"); + printk("digest failed\n"); } return ret; } static int csum_tree_block(struct btrfs_root *root, struct buffer_head *bh, int verify) { - char result[BTRFS_CSUM_SIZE]; + char result[BTRFS_CRC32_SIZE]; int ret; struct btrfs_node *node; @@ -212,14 +212,14 @@ static int csum_tree_block(struct btrfs_root *root, struct buffer_head *bh, if (ret) return ret; if (verify) { - if (memcmp(bh->b_data, result, BTRFS_CSUM_SIZE)) { + if (memcmp(bh->b_data, result, BTRFS_CRC32_SIZE)) { printk("checksum verify failed on %Lu\n", bh_blocknr(bh)); return 1; } } else { node = btrfs_buffer_node(bh); - memcpy(node->header.csum, result, BTRFS_CSUM_SIZE); + memcpy(node->header.csum, result, BTRFS_CRC32_SIZE); } return 0; } @@ -576,10 +576,10 @@ struct btrfs_root *open_ctree(struct super_block *sb) sizeof(struct btrfs_key)); insert_inode_hash(fs_info->btree_inode); mapping_set_gfp_mask(fs_info->btree_inode->i_mapping, GFP_NOFS); - fs_info->hash_tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC); + fs_info->hash_tfm = crypto_alloc_hash("crc32c", 0, CRYPTO_ALG_ASYNC); spin_lock_init(&fs_info->hash_lock); if (!fs_info->hash_tfm || IS_ERR(fs_info->hash_tfm)) { - printk("failed to allocate sha256 hash\n"); + printk("failed to allocate digest hash\n"); return NULL; } mutex_init(&fs_info->trans_mutex); |