diff options
Diffstat (limited to 'block/vhdx.c')
| -rw-r--r-- | block/vhdx.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/block/vhdx.c b/block/vhdx.c index 052a753159..e8fe3fb5e9 100644 --- a/block/vhdx.c +++ b/block/vhdx.c @@ -1171,7 +1171,7 @@ static int vhdx_allocate_block(BlockDriverState *bs, BDRVVHDXState *s, /* per the spec, the address for a block is in units of 1MB */ *new_offset = ROUND_UP(*new_offset, 1024 * 1024); - return bdrv_truncate(bs->file, *new_offset + s->block_size); + return bdrv_truncate(bs->file, *new_offset + s->block_size, NULL); } /* @@ -1586,7 +1586,7 @@ exit: static int vhdx_create_bat(BlockBackend *blk, BDRVVHDXState *s, uint64_t image_size, VHDXImageType type, bool use_zero_blocks, uint64_t file_offset, - uint32_t length) + uint32_t length, Error **errp) { int ret = 0; uint64_t data_file_offset; @@ -1607,16 +1607,17 @@ static int vhdx_create_bat(BlockBackend *blk, BDRVVHDXState *s, if (type == VHDX_TYPE_DYNAMIC) { /* All zeroes, so we can just extend the file - the end of the BAT * is the furthest thing we have written yet */ - ret = blk_truncate(blk, data_file_offset); + ret = blk_truncate(blk, data_file_offset, errp); if (ret < 0) { goto exit; } } else if (type == VHDX_TYPE_FIXED) { - ret = blk_truncate(blk, data_file_offset + image_size); + ret = blk_truncate(blk, data_file_offset + image_size, errp); if (ret < 0) { goto exit; } } else { + error_setg(errp, "Unsupported image type"); ret = -ENOTSUP; goto exit; } @@ -1627,6 +1628,7 @@ static int vhdx_create_bat(BlockBackend *blk, BDRVVHDXState *s, /* for a fixed file, the default BAT entry is not zero */ s->bat = g_try_malloc0(length); if (length && s->bat == NULL) { + error_setg(errp, "Failed to allocate memory for the BAT"); ret = -ENOMEM; goto exit; } @@ -1646,6 +1648,7 @@ static int vhdx_create_bat(BlockBackend *blk, BDRVVHDXState *s, } ret = blk_pwrite(blk, file_offset, s->bat, length, 0); if (ret < 0) { + error_setg_errno(errp, -ret, "Failed to write the BAT"); goto exit; } } @@ -1671,7 +1674,8 @@ static int vhdx_create_new_region_table(BlockBackend *blk, uint32_t log_size, bool use_zero_blocks, VHDXImageType type, - uint64_t *metadata_offset) + uint64_t *metadata_offset, + Error **errp) { int ret = 0; uint32_t offset = 0; @@ -1740,7 +1744,7 @@ static int vhdx_create_new_region_table(BlockBackend *blk, /* The region table gives us the data we need to create the BAT, * so do that now */ ret = vhdx_create_bat(blk, s, image_size, type, use_zero_blocks, - bat_file_offset, bat_length); + bat_file_offset, bat_length, errp); if (ret < 0) { goto exit; } @@ -1749,12 +1753,14 @@ static int vhdx_create_new_region_table(BlockBackend *blk, ret = blk_pwrite(blk, VHDX_REGION_TABLE_OFFSET, buffer, VHDX_HEADER_BLOCK_SIZE, 0); if (ret < 0) { + error_setg_errno(errp, -ret, "Failed to write first region table"); goto exit; } ret = blk_pwrite(blk, VHDX_REGION_TABLE2_OFFSET, buffer, VHDX_HEADER_BLOCK_SIZE, 0); if (ret < 0) { + error_setg_errno(errp, -ret, "Failed to write second region table"); goto exit; } @@ -1825,6 +1831,7 @@ static int vhdx_create(const char *filename, QemuOpts *opts, Error **errp) ret = -ENOTSUP; goto exit; } else { + error_setg(errp, "Invalid subformat '%s'", type); ret = -EINVAL; goto exit; } @@ -1879,12 +1886,14 @@ static int vhdx_create(const char *filename, QemuOpts *opts, Error **errp) ret = blk_pwrite(blk, VHDX_FILE_ID_OFFSET, &signature, sizeof(signature), 0); if (ret < 0) { + error_setg_errno(errp, -ret, "Failed to write file signature"); goto delete_and_exit; } if (creator) { ret = blk_pwrite(blk, VHDX_FILE_ID_OFFSET + sizeof(signature), creator, creator_items * sizeof(gunichar2), 0); if (ret < 0) { + error_setg_errno(errp, -ret, "Failed to write creator field"); goto delete_and_exit; } } @@ -1893,13 +1902,14 @@ static int vhdx_create(const char *filename, QemuOpts *opts, Error **errp) /* Creates (B),(C) */ ret = vhdx_create_new_headers(blk, image_size, log_size); if (ret < 0) { + error_setg_errno(errp, -ret, "Failed to write image headers"); goto delete_and_exit; } /* Creates (D),(E),(G) explicitly. (F) created as by-product */ ret = vhdx_create_new_region_table(blk, image_size, block_size, 512, log_size, use_zero_blocks, image_type, - &metadata_offset); + &metadata_offset, errp); if (ret < 0) { goto delete_and_exit; } @@ -1908,6 +1918,7 @@ static int vhdx_create(const char *filename, QemuOpts *opts, Error **errp) ret = vhdx_create_new_metadata(blk, image_size, block_size, 512, metadata_offset, image_type); if (ret < 0) { + error_setg_errno(errp, -ret, "Failed to initialize metadata"); goto delete_and_exit; } |