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vdi: Implement .bdrv_co_create 

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2018-03-12 17:55:28 +01:00 committed by Kevin Wolf
parent ec73f06071
commit e38105748f
2 changed files with 20 additions and 6 deletions
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24
block/vdi.c
View File

@ -721,9 +721,10 @@ nonallocating_write:
return ret;
}
static int coroutine_fn vdi_co_do_create(BlockdevCreateOptionsVdi *vdi_opts,
static int coroutine_fn vdi_co_do_create(BlockdevCreateOptions *create_options,
size_t block_size, Error **errp)
{
BlockdevCreateOptionsVdi *vdi_opts;
int ret = 0;
uint64_t bytes = 0;
uint32_t blocks;
@ -736,6 +737,9 @@ static int coroutine_fn vdi_co_do_create(BlockdevCreateOptionsVdi *vdi_opts,
BlockBackend *blk = NULL;
uint32_t *bmap = NULL;
assert(create_options->driver == BLOCKDEV_DRIVER_VDI);
vdi_opts = &create_options->u.vdi;
logout("\n");
/* Read out options. */
@ -856,11 +860,17 @@ exit:
return ret;
}
static int coroutine_fn vdi_co_create(BlockdevCreateOptions *create_options,
Error **errp)
{
return vdi_co_do_create(create_options, DEFAULT_CLUSTER_SIZE, errp);
}
static int coroutine_fn vdi_co_create_opts(const char *filename, QemuOpts *opts,
Error **errp)
{
QDict *qdict = NULL;
BlockdevCreateOptionsVdi *create_options = NULL;
BlockdevCreateOptions *create_options = NULL;
BlockDriverState *bs_file = NULL;
uint64_t block_size = DEFAULT_CLUSTER_SIZE;
Visitor *v;
@ -897,11 +907,12 @@ static int coroutine_fn vdi_co_create_opts(const char *filename, QemuOpts *opts,
goto done;
}
qdict_put_str(qdict, "driver", "vdi");
qdict_put_str(qdict, "file", bs_file->node_name);
/* Get the QAPI object */
v = qobject_input_visitor_new_keyval(QOBJECT(qdict));
visit_type_BlockdevCreateOptionsVdi(v, NULL, &create_options, &local_err);
visit_type_BlockdevCreateOptions(v, NULL, &create_options, &local_err);
visit_free(v);
if (local_err) {
@ -910,12 +921,14 @@ static int coroutine_fn vdi_co_create_opts(const char *filename, QemuOpts *opts,
goto done;
}
create_options->size = ROUND_UP(create_options->size, BDRV_SECTOR_SIZE);
assert(create_options->driver == BLOCKDEV_DRIVER_VDI);
create_options->u.vdi.size = ROUND_UP(create_options->u.vdi.size,
BDRV_SECTOR_SIZE);
ret = vdi_co_do_create(create_options, block_size, errp);
done:
QDECREF(qdict);
qapi_free_BlockdevCreateOptionsVdi(create_options);
qapi_free_BlockdevCreateOptions(create_options);
bdrv_unref(bs_file);
return ret;
}
@ -969,6 +982,7 @@ static BlockDriver bdrv_vdi = {
.bdrv_reopen_prepare = vdi_reopen_prepare,
.bdrv_child_perm = bdrv_format_default_perms,
.bdrv_co_create_opts = vdi_co_create_opts,
.bdrv_co_create = vdi_co_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_block_status = vdi_co_block_status,
.bdrv_make_empty = vdi_make_empty,

2
qapi/block-core.json
View File

@ -3840,7 +3840,7 @@
'sheepdog': 'BlockdevCreateOptionsSheepdog',
'ssh': 'BlockdevCreateOptionsSsh',
'throttle': 'BlockdevCreateNotSupported',
'vdi': 'BlockdevCreateNotSupported',
'vdi': 'BlockdevCreateOptionsVdi',
'vhdx': 'BlockdevCreateNotSupported',
'vmdk': 'BlockdevCreateNotSupported',
'vpc': 'BlockdevCreateNotSupported',