diff options
Diffstat (limited to 'block/qcow2-snapshot.c')
| -rw-r--r-- | block/qcow2-snapshot.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c index 92f4dfc083..def720164d 100644 --- a/block/qcow2-snapshot.c +++ b/block/qcow2-snapshot.c @@ -64,7 +64,7 @@ int qcow2_read_snapshots(BlockDriverState *bs) for(i = 0; i < s->nb_snapshots; i++) { /* Read statically sized part of the snapshot header */ offset = align_offset(offset, 8); - ret = bdrv_pread(bs->file, offset, &h, sizeof(h)); + ret = bdrv_pread(bs->file->bs, offset, &h, sizeof(h)); if (ret < 0) { goto fail; } @@ -83,7 +83,7 @@ int qcow2_read_snapshots(BlockDriverState *bs) name_size = be16_to_cpu(h.name_size); /* Read extra data */ - ret = bdrv_pread(bs->file, offset, &extra, + ret = bdrv_pread(bs->file->bs, offset, &extra, MIN(sizeof(extra), extra_data_size)); if (ret < 0) { goto fail; @@ -102,7 +102,7 @@ int qcow2_read_snapshots(BlockDriverState *bs) /* Read snapshot ID */ sn->id_str = g_malloc(id_str_size + 1); - ret = bdrv_pread(bs->file, offset, sn->id_str, id_str_size); + ret = bdrv_pread(bs->file->bs, offset, sn->id_str, id_str_size); if (ret < 0) { goto fail; } @@ -111,7 +111,7 @@ int qcow2_read_snapshots(BlockDriverState *bs) /* Read snapshot name */ sn->name = g_malloc(name_size + 1); - ret = bdrv_pread(bs->file, offset, sn->name, name_size); + ret = bdrv_pread(bs->file->bs, offset, sn->name, name_size); if (ret < 0) { goto fail; } @@ -214,25 +214,25 @@ static int qcow2_write_snapshots(BlockDriverState *bs) h.name_size = cpu_to_be16(name_size); offset = align_offset(offset, 8); - ret = bdrv_pwrite(bs->file, offset, &h, sizeof(h)); + ret = bdrv_pwrite(bs->file->bs, offset, &h, sizeof(h)); if (ret < 0) { goto fail; } offset += sizeof(h); - ret = bdrv_pwrite(bs->file, offset, &extra, sizeof(extra)); + ret = bdrv_pwrite(bs->file->bs, offset, &extra, sizeof(extra)); if (ret < 0) { goto fail; } offset += sizeof(extra); - ret = bdrv_pwrite(bs->file, offset, sn->id_str, id_str_size); + ret = bdrv_pwrite(bs->file->bs, offset, sn->id_str, id_str_size); if (ret < 0) { goto fail; } offset += id_str_size; - ret = bdrv_pwrite(bs->file, offset, sn->name, name_size); + ret = bdrv_pwrite(bs->file->bs, offset, sn->name, name_size); if (ret < 0) { goto fail; } @@ -254,7 +254,7 @@ static int qcow2_write_snapshots(BlockDriverState *bs) header_data.nb_snapshots = cpu_to_be32(s->nb_snapshots); header_data.snapshots_offset = cpu_to_be64(snapshots_offset); - ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, nb_snapshots), + ret = bdrv_pwrite_sync(bs->file->bs, offsetof(QCowHeader, nb_snapshots), &header_data, sizeof(header_data)); if (ret < 0) { goto fail; @@ -396,7 +396,7 @@ int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info) goto fail; } - ret = bdrv_pwrite(bs->file, sn->l1_table_offset, l1_table, + ret = bdrv_pwrite(bs->file->bs, sn->l1_table_offset, l1_table, s->l1_size * sizeof(uint64_t)); if (ret < 0) { goto fail; @@ -509,7 +509,8 @@ int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id) goto fail; } - ret = bdrv_pread(bs->file, sn->l1_table_offset, sn_l1_table, sn_l1_bytes); + ret = bdrv_pread(bs->file->bs, sn->l1_table_offset, + sn_l1_table, sn_l1_bytes); if (ret < 0) { goto fail; } @@ -526,7 +527,7 @@ int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id) goto fail; } - ret = bdrv_pwrite_sync(bs->file, s->l1_table_offset, sn_l1_table, + ret = bdrv_pwrite_sync(bs->file->bs, s->l1_table_offset, sn_l1_table, cur_l1_bytes); if (ret < 0) { goto fail; @@ -706,13 +707,14 @@ int qcow2_snapshot_load_tmp(BlockDriverState *bs, return -EFBIG; } new_l1_bytes = sn->l1_size * sizeof(uint64_t); - new_l1_table = qemu_try_blockalign(bs->file, + new_l1_table = qemu_try_blockalign(bs->file->bs, align_offset(new_l1_bytes, 512)); if (new_l1_table == NULL) { return -ENOMEM; } - ret = bdrv_pread(bs->file, sn->l1_table_offset, new_l1_table, new_l1_bytes); + ret = bdrv_pread(bs->file->bs, sn->l1_table_offset, + new_l1_table, new_l1_bytes); if (ret < 0) { error_setg(errp, "Failed to read l1 table for snapshot"); qemu_vfree(new_l1_table); |