diff options
| -rw-r--r-- | block/crypto.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/block/crypto.c b/block/crypto.c index e6095e7807..77871640cc 100644 --- a/block/crypto.c +++ b/block/crypto.c @@ -71,8 +71,6 @@ static ssize_t block_crypto_read_func(QCryptoBlock *block, struct BlockCryptoCreateData { - const char *filename; - QemuOpts *opts; BlockBackend *blk; uint64_t size; }; @@ -103,27 +101,13 @@ static ssize_t block_crypto_init_func(QCryptoBlock *block, Error **errp) { struct BlockCryptoCreateData *data = opaque; - int ret; /* User provided size should reflect amount of space made * available to the guest, so we must take account of that * which will be used by the crypto header */ - data->size += headerlen; - - qemu_opt_set_number(data->opts, BLOCK_OPT_SIZE, data->size, &error_abort); - ret = bdrv_create_file(data->filename, data->opts, errp); - if (ret < 0) { - return -1; - } - - data->blk = blk_new_open(data->filename, NULL, NULL, - BDRV_O_RDWR | BDRV_O_PROTOCOL, errp); - if (!data->blk) { - return -1; - } - - return 0; + return blk_truncate(data->blk, data->size + headerlen, PREALLOC_MODE_OFF, + errp); } @@ -333,11 +317,10 @@ static int block_crypto_create_generic(QCryptoBlockFormat format, struct BlockCryptoCreateData data = { .size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0), BDRV_SECTOR_SIZE), - .opts = opts, - .filename = filename, }; QDict *cryptoopts; + /* Parse options */ cryptoopts = qemu_opts_to_qdict(opts, NULL); create_opts = block_crypto_create_opts_init(format, cryptoopts, errp); @@ -345,6 +328,20 @@ static int block_crypto_create_generic(QCryptoBlockFormat format, return -1; } + /* Create protocol layer */ + ret = bdrv_create_file(filename, opts, errp); + if (ret < 0) { + return ret; + } + + data.blk = blk_new_open(filename, NULL, NULL, + BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL, + errp); + if (!data.blk) { + return -EINVAL; + } + + /* Create format layer */ crypto = qcrypto_block_create(create_opts, NULL, block_crypto_init_func, block_crypto_write_func, |