goto no_prefetch_cluster;
if (unlikely(cluster & (cluster - 1)))
- cluster = 1 << (fls(cluster) - 1);
+ cluster = 1 << __fls(cluster);
hash_block_start &= ~(sector_t)(cluster - 1);
hash_block_end |= cluster - 1;
goto bad;
}
- if (sscanf(argv[0], "%d%c", &num, &dummy) != 1 ||
- num < 0 || num > 1) {
+ if (sscanf(argv[0], "%u%c", &num, &dummy) != 1 ||
+ num > 1) {
ti->error = "Invalid version";
r = -EINVAL;
goto bad;
r = -EINVAL;
goto bad;
}
- v->data_dev_block_bits = ffs(num) - 1;
+ v->data_dev_block_bits = __ffs(num);
if (sscanf(argv[4], "%u%c", &num, &dummy) != 1 ||
!num || (num & (num - 1)) ||
r = -EINVAL;
goto bad;
}
- v->hash_dev_block_bits = ffs(num) - 1;
+ v->hash_dev_block_bits = __ffs(num);
if (sscanf(argv[5], "%llu%c", &num_ll, &dummy) != 1 ||
(sector_t)(num_ll << (v->data_dev_block_bits - SECTOR_SHIFT))
}
v->hash_per_block_bits =
- fls((1 << v->hash_dev_block_bits) / v->digest_size) - 1;
+ __fls((1 << v->hash_dev_block_bits) / v->digest_size);
v->levels = 0;
if (v->data_blocks)
for (i = v->levels - 1; i >= 0; i--) {
sector_t s;
v->hash_level_block[i] = hash_position;
- s = verity_position_at_level(v, v->data_blocks, i);
- s = (s >> v->hash_per_block_bits) +
- !!(s & ((1 << v->hash_per_block_bits) - 1));
+ s = (v->data_blocks + ((sector_t)1 << ((i + 1) * v->hash_per_block_bits)) - 1)
+ >> ((i + 1) * v->hash_per_block_bits);
if (hash_position + s < hash_position) {
ti->error = "Hash device offset overflow";
r = -E2BIG;