diff options
Diffstat (limited to 'block/qcow2-cluster.c')
| -rw-r--r-- | block/qcow2-cluster.c | 41 |
1 files changed, 13 insertions, 28 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index cac0b6c7ba..8d5fa1539c 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -462,28 +462,6 @@ static int coroutine_fn do_perform_cow_read(BlockDriverState *bs, return 0; } -static bool coroutine_fn do_perform_cow_encrypt(BlockDriverState *bs, - uint64_t src_cluster_offset, - uint64_t cluster_offset, - unsigned offset_in_cluster, - uint8_t *buffer, - unsigned bytes) -{ - if (bytes && bs->encrypted) { - BDRVQcow2State *s = bs->opaque; - assert(QEMU_IS_ALIGNED(offset_in_cluster, BDRV_SECTOR_SIZE)); - assert(QEMU_IS_ALIGNED(bytes, BDRV_SECTOR_SIZE)); - assert(s->crypto); - if (qcow2_co_encrypt(bs, - start_of_cluster(s, cluster_offset + offset_in_cluster), - src_cluster_offset + offset_in_cluster, - buffer, bytes) < 0) { - return false; - } - } - return true; -} - static int coroutine_fn do_perform_cow_write(BlockDriverState *bs, uint64_t cluster_offset, unsigned offset_in_cluster, @@ -891,12 +869,19 @@ static int perform_cow(BlockDriverState *bs, QCowL2Meta *m) /* Encrypt the data if necessary before writing it */ if (bs->encrypted) { - if (!do_perform_cow_encrypt(bs, m->offset, m->alloc_offset, - start->offset, start_buffer, - start->nb_bytes) || - !do_perform_cow_encrypt(bs, m->offset, m->alloc_offset, - end->offset, end_buffer, end->nb_bytes)) { - ret = -EIO; + ret = qcow2_co_encrypt(bs, + m->alloc_offset + start->offset, + m->offset + start->offset, + start_buffer, start->nb_bytes); + if (ret < 0) { + goto fail; + } + + ret = qcow2_co_encrypt(bs, + m->alloc_offset + end->offset, + m->offset + end->offset, + end_buffer, end->nb_bytes); + if (ret < 0) { goto fail; } } |