diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 5be5ace694..870148ddf8 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -508,7 +508,7 @@ int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov, else n1 = bs->total_sectors - sector_num; - qemu_iovec_memset_skip(qiov, 0, 512 * (nb_sectors - n1), 512 * n1); + qemu_iovec_memset(qiov, 512 * n1, 0, 512 * (nb_sectors - n1)); return n1; } @@ -547,7 +547,7 @@ static coroutine_fn int qcow2_co_readv(BlockDriverState *bs, int64_t sector_num, index_in_cluster = sector_num & (s->cluster_sectors - 1); qemu_iovec_reset(&hd_qiov); - qemu_iovec_copy(&hd_qiov, qiov, bytes_done, + qemu_iovec_concat(&hd_qiov, qiov, bytes_done, cur_nr_sectors * 512); switch (ret) { @@ -569,7 +569,7 @@ static coroutine_fn int qcow2_co_readv(BlockDriverState *bs, int64_t sector_num, } } else { /* Note: in this case, no need to wait */ - qemu_iovec_memset(&hd_qiov, 0, 512 * cur_nr_sectors); + qemu_iovec_memset(&hd_qiov, 0, 0, 512 * cur_nr_sectors); } break; @@ -578,7 +578,7 @@ static coroutine_fn int qcow2_co_readv(BlockDriverState *bs, int64_t sector_num, ret = -EIO; goto fail; } - qemu_iovec_memset(&hd_qiov, 0, 512 * cur_nr_sectors); + qemu_iovec_memset(&hd_qiov, 0, 0, 512 * cur_nr_sectors); break; case QCOW2_CLUSTER_COMPRESSED: @@ -588,7 +588,7 @@ static coroutine_fn int qcow2_co_readv(BlockDriverState *bs, int64_t sector_num, goto fail; } - qemu_iovec_from_buffer(&hd_qiov, + qemu_iovec_from_buf(&hd_qiov, 0, s->cluster_cache + index_in_cluster * 512, 512 * cur_nr_sectors); break; @@ -628,11 +628,8 @@ static coroutine_fn int qcow2_co_readv(BlockDriverState *bs, int64_t sector_num, if (s->crypt_method) { qcow2_encrypt_sectors(s, sector_num, cluster_data, cluster_data, cur_nr_sectors, 0, &s->aes_decrypt_key); - qemu_iovec_reset(&hd_qiov); - qemu_iovec_copy(&hd_qiov, qiov, bytes_done, - cur_nr_sectors * 512); - qemu_iovec_from_buffer(&hd_qiov, cluster_data, - 512 * cur_nr_sectors); + qemu_iovec_from_buf(qiov, bytes_done, + cluster_data, 512 * cur_nr_sectors); } break; @@ -721,7 +718,7 @@ static coroutine_fn int qcow2_co_writev(BlockDriverState *bs, assert((cluster_offset & 511) == 0); qemu_iovec_reset(&hd_qiov); - qemu_iovec_copy(&hd_qiov, qiov, bytes_done, + qemu_iovec_concat(&hd_qiov, qiov, bytes_done, cur_nr_sectors * 512); if (s->crypt_method) { @@ -732,7 +729,7 @@ static coroutine_fn int qcow2_co_writev(BlockDriverState *bs, assert(hd_qiov.size <= QCOW_MAX_CRYPT_CLUSTERS * s->cluster_size); - qemu_iovec_to_buffer(&hd_qiov, cluster_data); + qemu_iovec_to_buf(&hd_qiov, 0, cluster_data, hd_qiov.size); qcow2_encrypt_sectors(s, sector_num, cluster_data, cluster_data, cur_nr_sectors, 1, &s->aes_encrypt_key); |