diff options
Diffstat (limited to 'drivers/md/dm-verity-target.c')
| -rw-r--r-- | drivers/md/dm-verity-target.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index 99a5b0dc99af..f4955c4dbe47 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -114,6 +114,7 @@ static int verity_hash_update(struct dm_verity *v, struct ahash_request *req, do { int r; size_t this_step = min_t(size_t, len, PAGE_SIZE - offset_in_page(data)); + flush_kernel_vmap_range((void *)data, this_step); sg_init_table(&sg, 1); sg_set_page(&sg, vmalloc_to_page(data), this_step, offset_in_page(data)); @@ -683,8 +684,10 @@ static void verity_prefetch_io(struct work_struct *work) for (i = v->levels - 2; i >= 0; i--) { sector_t hash_block_start; sector_t hash_block_end; + verity_hash_at_level(v, pw->block, i, &hash_block_start, NULL); verity_hash_at_level(v, pw->block + pw->n_blocks - 1, i, &hash_block_end, NULL); + if (!i) { unsigned int cluster = READ_ONCE(dm_verity_prefetch_cluster); @@ -1367,6 +1370,7 @@ static int verity_ctr(struct dm_target *ti, unsigned int argc, char **argv) hash_position = v->hash_start; for (i = v->levels - 1; i >= 0; i--) { sector_t s; + v->hash_level_block[i] = hash_position; s = (v->data_blocks + ((sector_t)1 << ((i + 1) * v->hash_per_block_bits)) - 1) >> ((i + 1) * v->hash_per_block_bits); |