*/
#include "qemu/osdep.h"
-#include "qemu-common.h"
+#include "qapi/error.h"
#include "block/block_int.h"
#include "block/qcow2.h"
+#include "qemu/bswap.h"
#include "qemu/error-report.h"
+#include "qemu/cutils.h"
void qcow2_free_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->bs, offset, &h, sizeof(h));
+ ret = bdrv_pread(bs->file, offset, &h, sizeof(h));
if (ret < 0) {
goto fail;
}
name_size = be16_to_cpu(h.name_size);
/* Read extra data */
- ret = bdrv_pread(bs->file->bs, offset, &extra,
+ ret = bdrv_pread(bs->file, offset, &extra,
MIN(sizeof(extra), extra_data_size));
if (ret < 0) {
goto fail;
/* Read snapshot ID */
sn->id_str = g_malloc(id_str_size + 1);
- ret = bdrv_pread(bs->file->bs, offset, sn->id_str, id_str_size);
+ ret = bdrv_pread(bs->file, offset, sn->id_str, id_str_size);
if (ret < 0) {
goto fail;
}
/* Read snapshot name */
sn->name = g_malloc(name_size + 1);
- ret = bdrv_pread(bs->file->bs, offset, sn->name, name_size);
+ ret = bdrv_pread(bs->file, offset, sn->name, name_size);
if (ret < 0) {
goto fail;
}
h.name_size = cpu_to_be16(name_size);
offset = align_offset(offset, 8);
- ret = bdrv_pwrite(bs->file->bs, offset, &h, sizeof(h));
+ ret = bdrv_pwrite(bs->file, offset, &h, sizeof(h));
if (ret < 0) {
goto fail;
}
offset += sizeof(h);
- ret = bdrv_pwrite(bs->file->bs, offset, &extra, sizeof(extra));
+ ret = bdrv_pwrite(bs->file, offset, &extra, sizeof(extra));
if (ret < 0) {
goto fail;
}
offset += sizeof(extra);
- ret = bdrv_pwrite(bs->file->bs, offset, sn->id_str, id_str_size);
+ ret = bdrv_pwrite(bs->file, offset, sn->id_str, id_str_size);
if (ret < 0) {
goto fail;
}
offset += id_str_size;
- ret = bdrv_pwrite(bs->file->bs, offset, sn->name, name_size);
+ ret = bdrv_pwrite(bs->file, offset, sn->name, name_size);
if (ret < 0) {
goto fail;
}
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->bs, offsetof(QCowHeader, nb_snapshots),
+ ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, nb_snapshots),
&header_data, sizeof(header_data));
if (ret < 0) {
goto fail;
goto fail;
}
- ret = bdrv_pwrite(bs->file->bs, sn->l1_table_offset, l1_table,
+ ret = bdrv_pwrite(bs->file, sn->l1_table_offset, l1_table,
s->l1_size * sizeof(uint64_t));
if (ret < 0) {
goto fail;
/* The VM state isn't needed any more in the active L1 table; in fact, it
* hurts by causing expensive COW for the next snapshot. */
- qcow2_discard_clusters(bs, qcow2_vm_state_offset(s),
- align_offset(sn->vm_state_size, s->cluster_size)
- >> BDRV_SECTOR_BITS,
- QCOW2_DISCARD_NEVER, false);
+ qcow2_cluster_discard(bs, qcow2_vm_state_offset(s),
+ align_offset(sn->vm_state_size, s->cluster_size),
+ QCOW2_DISCARD_NEVER, false);
#ifdef DEBUG_ALLOC
{
goto fail;
}
- ret = bdrv_pread(bs->file->bs, sn->l1_table_offset,
+ ret = bdrv_pread(bs->file, sn->l1_table_offset,
sn_l1_table, sn_l1_bytes);
if (ret < 0) {
goto fail;
goto fail;
}
- ret = bdrv_pwrite_sync(bs->file->bs, s->l1_table_offset, sn_l1_table,
+ ret = bdrv_pwrite_sync(bs->file, s->l1_table_offset, sn_l1_table,
cur_l1_bytes);
if (ret < 0) {
goto fail;
return -ENOMEM;
}
- ret = bdrv_pread(bs->file->bs, sn->l1_table_offset,
+ ret = bdrv_pread(bs->file, sn->l1_table_offset,
new_l1_table, new_l1_bytes);
if (ret < 0) {
error_setg(errp, "Failed to read l1 table for snapshot");