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Diffstat (limited to 'block/qcow2-cluster.c')
-rw-r--r--block/qcow2-cluster.c41
1 files changed, 23 insertions, 18 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 6ede629efb..67be0ce2c9 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -72,7 +72,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
#endif
new_l1_size2 = sizeof(uint64_t) * new_l1_size;
- new_l1_table = qemu_try_blockalign(bs->file,
+ new_l1_table = qemu_try_blockalign(bs->file->bs,
align_offset(new_l1_size2, 512));
if (new_l1_table == NULL) {
return -ENOMEM;
@@ -105,7 +105,8 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
BLKDBG_EVENT(bs->file, BLKDBG_L1_GROW_WRITE_TABLE);
for(i = 0; i < s->l1_size; i++)
new_l1_table[i] = cpu_to_be64(new_l1_table[i]);
- ret = bdrv_pwrite_sync(bs->file, new_l1_table_offset, new_l1_table, new_l1_size2);
+ ret = bdrv_pwrite_sync(bs->file->bs, new_l1_table_offset,
+ new_l1_table, new_l1_size2);
if (ret < 0)
goto fail;
for(i = 0; i < s->l1_size; i++)
@@ -115,7 +116,8 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
BLKDBG_EVENT(bs->file, BLKDBG_L1_GROW_ACTIVATE_TABLE);
cpu_to_be32w((uint32_t*)data, new_l1_size);
stq_be_p(data + 4, new_l1_table_offset);
- ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, l1_size), data,sizeof(data));
+ ret = bdrv_pwrite_sync(bs->file->bs, offsetof(QCowHeader, l1_size),
+ data, sizeof(data));
if (ret < 0) {
goto fail;
}
@@ -182,8 +184,9 @@ int qcow2_write_l1_entry(BlockDriverState *bs, int l1_index)
}
BLKDBG_EVENT(bs->file, BLKDBG_L1_UPDATE);
- ret = bdrv_pwrite_sync(bs->file, s->l1_table_offset + 8 * l1_start_index,
- buf, sizeof(buf));
+ ret = bdrv_pwrite_sync(bs->file->bs,
+ s->l1_table_offset + 8 * l1_start_index,
+ buf, sizeof(buf));
if (ret < 0) {
return ret;
}
@@ -440,7 +443,8 @@ static int coroutine_fn copy_sectors(BlockDriverState *bs,
}
BLKDBG_EVENT(bs->file, BLKDBG_COW_WRITE);
- ret = bdrv_co_writev(bs->file, (cluster_offset >> 9) + n_start, n, &qiov);
+ ret = bdrv_co_writev(bs->file->bs, (cluster_offset >> 9) + n_start, n,
+ &qiov);
if (ret < 0) {
goto out;
}
@@ -817,7 +821,6 @@ int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m)
/*
* If this was a COW, we need to decrease the refcount of the old cluster.
- * Also flush bs->file to get the right order for L2 and refcount update.
*
* Don't discard clusters that reach a refcount of 0 (e.g. compressed
* clusters), the next write will reuse them anyway.
@@ -1412,7 +1415,8 @@ int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset)
sector_offset = coffset & 511;
csize = nb_csectors * 512 - sector_offset;
BLKDBG_EVENT(bs->file, BLKDBG_READ_COMPRESSED);
- ret = bdrv_read(bs->file, coffset >> 9, s->cluster_data, nb_csectors);
+ ret = bdrv_read(bs->file->bs, coffset >> 9, s->cluster_data,
+ nb_csectors);
if (ret < 0) {
return ret;
}
@@ -1469,7 +1473,7 @@ static int discard_single_l2(BlockDriverState *bs, uint64_t offset,
*/
switch (qcow2_get_cluster_type(old_l2_entry)) {
case QCOW2_CLUSTER_UNALLOCATED:
- if (full_discard || !bs->backing_hd) {
+ if (full_discard || !bs->backing) {
continue;
}
break;
@@ -1645,7 +1649,7 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
if (!is_active_l1) {
/* inactive L2 tables require a buffer to be stored in when loading
* them from disk */
- l2_table = qemu_try_blockalign(bs->file, s->cluster_size);
+ l2_table = qemu_try_blockalign(bs->file->bs, s->cluster_size);
if (l2_table == NULL) {
return -ENOMEM;
}
@@ -1679,8 +1683,8 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
(void **)&l2_table);
} else {
/* load inactive L2 tables from disk */
- ret = bdrv_read(bs->file, l2_offset / BDRV_SECTOR_SIZE,
- (void *)l2_table, s->cluster_sectors);
+ ret = bdrv_read(bs->file->bs, l2_offset / BDRV_SECTOR_SIZE,
+ (void *)l2_table, s->cluster_sectors);
}
if (ret < 0) {
goto fail;
@@ -1703,7 +1707,7 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
}
if (!preallocated) {
- if (!bs->backing_hd) {
+ if (!bs->backing) {
/* not backed; therefore we can simply deallocate the
* cluster */
l2_table[j] = 0;
@@ -1754,7 +1758,7 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
goto fail;
}
- ret = bdrv_write_zeroes(bs->file, offset / BDRV_SECTOR_SIZE,
+ ret = bdrv_write_zeroes(bs->file->bs, offset / BDRV_SECTOR_SIZE,
s->cluster_sectors, 0);
if (ret < 0) {
if (!preallocated) {
@@ -1787,8 +1791,8 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
goto fail;
}
- ret = bdrv_write(bs->file, l2_offset / BDRV_SECTOR_SIZE,
- (void *)l2_table, s->cluster_sectors);
+ ret = bdrv_write(bs->file->bs, l2_offset / BDRV_SECTOR_SIZE,
+ (void *)l2_table, s->cluster_sectors);
if (ret < 0) {
goto fail;
}
@@ -1861,8 +1865,9 @@ int qcow2_expand_zero_clusters(BlockDriverState *bs,
l1_table = g_realloc(l1_table, l1_sectors * BDRV_SECTOR_SIZE);
- ret = bdrv_read(bs->file, s->snapshots[i].l1_table_offset /
- BDRV_SECTOR_SIZE, (void *)l1_table, l1_sectors);
+ ret = bdrv_read(bs->file->bs,
+ s->snapshots[i].l1_table_offset / BDRV_SECTOR_SIZE,
+ (void *)l1_table, l1_sectors);
if (ret < 0) {
goto fail;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-21 11:32:03 +0000