diff options
Diffstat (limited to 'block/qcow.c')
| -rw-r--r-- | block/qcow.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/block/qcow.c b/block/qcow.c index 6e35db1..42f888c 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -100,7 +100,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags, int ret; QCowHeader header; - ret = bdrv_pread(bs->file, 0, &header, sizeof(header)); + ret = bdrv_pread(bs->file->bs, 0, &header, sizeof(header)); if (ret < 0) { goto fail; } @@ -193,7 +193,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags, goto fail; } - ret = bdrv_pread(bs->file, s->l1_table_offset, s->l1_table, + ret = bdrv_pread(bs->file->bs, s->l1_table_offset, s->l1_table, s->l1_size * sizeof(uint64_t)); if (ret < 0) { goto fail; @@ -205,7 +205,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags, /* alloc L2 cache (max. 64k * 16 * 8 = 8 MB) */ s->l2_cache = - qemu_try_blockalign(bs->file, + qemu_try_blockalign(bs->file->bs, s->l2_size * L2_CACHE_SIZE * sizeof(uint64_t)); if (s->l2_cache == NULL) { error_setg(errp, "Could not allocate L2 table cache"); @@ -224,7 +224,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags, ret = -EINVAL; goto fail; } - ret = bdrv_pread(bs->file, header.backing_file_offset, + ret = bdrv_pread(bs->file->bs, header.backing_file_offset, bs->backing_file, len); if (ret < 0) { goto fail; @@ -369,13 +369,13 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, if (!allocate) return 0; /* allocate a new l2 entry */ - l2_offset = bdrv_getlength(bs->file); + l2_offset = bdrv_getlength(bs->file->bs); /* round to cluster size */ l2_offset = (l2_offset + s->cluster_size - 1) & ~(s->cluster_size - 1); /* update the L1 entry */ s->l1_table[l1_index] = l2_offset; tmp = cpu_to_be64(l2_offset); - if (bdrv_pwrite_sync(bs->file, + if (bdrv_pwrite_sync(bs->file->bs, s->l1_table_offset + l1_index * sizeof(tmp), &tmp, sizeof(tmp)) < 0) return 0; @@ -405,11 +405,12 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, l2_table = s->l2_cache + (min_index << s->l2_bits); if (new_l2_table) { memset(l2_table, 0, s->l2_size * sizeof(uint64_t)); - if (bdrv_pwrite_sync(bs->file, l2_offset, l2_table, + if (bdrv_pwrite_sync(bs->file->bs, l2_offset, l2_table, s->l2_size * sizeof(uint64_t)) < 0) return 0; } else { - if (bdrv_pread(bs->file, l2_offset, l2_table, s->l2_size * sizeof(uint64_t)) != + if (bdrv_pread(bs->file->bs, l2_offset, l2_table, + s->l2_size * sizeof(uint64_t)) != s->l2_size * sizeof(uint64_t)) return 0; } @@ -430,20 +431,21 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, overwritten */ if (decompress_cluster(bs, cluster_offset) < 0) return 0; - cluster_offset = bdrv_getlength(bs->file); + cluster_offset = bdrv_getlength(bs->file->bs); cluster_offset = (cluster_offset + s->cluster_size - 1) & ~(s->cluster_size - 1); /* write the cluster content */ - if (bdrv_pwrite(bs->file, cluster_offset, s->cluster_cache, s->cluster_size) != + if (bdrv_pwrite(bs->file->bs, cluster_offset, s->cluster_cache, + s->cluster_size) != s->cluster_size) return -1; } else { - cluster_offset = bdrv_getlength(bs->file); + cluster_offset = bdrv_getlength(bs->file->bs); if (allocate == 1) { /* round to cluster size */ cluster_offset = (cluster_offset + s->cluster_size - 1) & ~(s->cluster_size - 1); - bdrv_truncate(bs->file, cluster_offset + s->cluster_size); + bdrv_truncate(bs->file->bs, cluster_offset + s->cluster_size); /* if encrypted, we must initialize the cluster content which won't be written */ if (bs->encrypted && @@ -463,7 +465,8 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, errno = EIO; return -1; } - if (bdrv_pwrite(bs->file, cluster_offset + i * 512, + if (bdrv_pwrite(bs->file->bs, + cluster_offset + i * 512, s->cluster_data, 512) != 512) return -1; } @@ -477,7 +480,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, /* update L2 table */ tmp = cpu_to_be64(cluster_offset); l2_table[l2_index] = tmp; - if (bdrv_pwrite_sync(bs->file, l2_offset + l2_index * sizeof(tmp), + if (bdrv_pwrite_sync(bs->file->bs, l2_offset + l2_index * sizeof(tmp), &tmp, sizeof(tmp)) < 0) return 0; } @@ -546,7 +549,7 @@ static int decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset) if (s->cluster_cache_offset != coffset) { csize = cluster_offset >> (63 - s->cluster_bits); csize &= (s->cluster_size - 1); - ret = bdrv_pread(bs->file, coffset, s->cluster_data, csize); + ret = bdrv_pread(bs->file->bs, coffset, s->cluster_data, csize); if (ret != csize) return -1; if (decompress_buffer(s->cluster_cache, s->cluster_size, @@ -625,7 +628,7 @@ static coroutine_fn int qcow_co_readv(BlockDriverState *bs, int64_t sector_num, hd_iov.iov_len = n * 512; qemu_iovec_init_external(&hd_qiov, &hd_iov, 1); qemu_co_mutex_unlock(&s->lock); - ret = bdrv_co_readv(bs->file, + ret = bdrv_co_readv(bs->file->bs, (cluster_offset >> 9) + index_in_cluster, n, &hd_qiov); qemu_co_mutex_lock(&s->lock); @@ -727,7 +730,7 @@ static coroutine_fn int qcow_co_writev(BlockDriverState *bs, int64_t sector_num, hd_iov.iov_len = n * 512; qemu_iovec_init_external(&hd_qiov, &hd_iov, 1); qemu_co_mutex_unlock(&s->lock); - ret = bdrv_co_writev(bs->file, + ret = bdrv_co_writev(bs->file->bs, (cluster_offset >> 9) + index_in_cluster, n, &hd_qiov); qemu_co_mutex_lock(&s->lock); @@ -879,10 +882,10 @@ static int qcow_make_empty(BlockDriverState *bs) int ret; memset(s->l1_table, 0, l1_length); - if (bdrv_pwrite_sync(bs->file, s->l1_table_offset, s->l1_table, + if (bdrv_pwrite_sync(bs->file->bs, s->l1_table_offset, s->l1_table, l1_length) < 0) return -1; - ret = bdrv_truncate(bs->file, s->l1_table_offset + l1_length); + ret = bdrv_truncate(bs->file->bs, s->l1_table_offset + l1_length); if (ret < 0) return ret; @@ -962,7 +965,7 @@ static int qcow_write_compressed(BlockDriverState *bs, int64_t sector_num, } cluster_offset &= s->cluster_offset_mask; - ret = bdrv_pwrite(bs->file, cluster_offset, out_buf, out_len); + ret = bdrv_pwrite(bs->file->bs, cluster_offset, out_buf, out_len); if (ret < 0) { goto fail; } |
