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cow.c: replace QEMUOptionParameter with QemuOpts

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Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Chunyan Liu
2014-06-05 17:20:53 +08:00
committed by Stefan Hajnoczi
parent facdbb0272
commit 25814e8987
1 changed files with 26 additions and 28 deletions
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54
block/cow.c
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@@ -324,31 +324,24 @@ static void cow_close(BlockDriverState *bs)
{
}
static int cow_create(const char *filename, QEMUOptionParameter *options,
Error **errp)
static int cow_create(const char *filename, QemuOpts *opts, Error **errp)
{
struct cow_header_v2 cow_header;
struct stat st;
int64_t image_sectors = 0;
const char *image_filename = NULL;
char *image_filename = NULL;
Error *local_err = NULL;
int ret;
BlockDriverState *cow_bs;
/* Read out options */
while (options && options->name) {
if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
image_sectors = options->value.n / 512;
} else if (!strcmp(options->name, BLOCK_OPT_BACKING_FILE)) {
image_filename = options->value.s;
}
options++;
}
image_sectors = qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / 512;
image_filename = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
ret = bdrv_create_file(filename, options, NULL, &local_err);
ret = bdrv_create_file(filename, NULL, opts, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
return ret;
goto exit;
}
cow_bs = NULL;
@@ -356,7 +349,7 @@ static int cow_create(const char *filename, QEMUOptionParameter *options,
BDRV_O_RDWR | BDRV_O_PROTOCOL, NULL, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
return ret;
goto exit;
}
memset(&cow_header, 0, sizeof(cow_header));
@@ -389,22 +382,27 @@ static int cow_create(const char *filename, QEMUOptionParameter *options,
}
exit:
g_free(image_filename);
bdrv_unref(cow_bs);
return ret;
}
static QEMUOptionParameter cow_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
.type = OPT_SIZE,
.help = "Virtual disk size"
},
{
.name = BLOCK_OPT_BACKING_FILE,
.type = OPT_STRING,
.help = "File name of a base image"
},
{ NULL }
static QemuOptsList cow_create_opts = {
.name = "cow-create-opts",
.head = QTAILQ_HEAD_INITIALIZER(cow_create_opts.head),
.desc = {
{
.name = BLOCK_OPT_SIZE,
.type = QEMU_OPT_SIZE,
.help = "Virtual disk size"
},
{
.name = BLOCK_OPT_BACKING_FILE,
.type = QEMU_OPT_STRING,
.help = "File name of a base image"
},
{ /* end of list */ }
}
};
static BlockDriver bdrv_cow = {
@@ -414,14 +412,14 @@ static BlockDriver bdrv_cow = {
.bdrv_probe = cow_probe,
.bdrv_open = cow_open,
.bdrv_close = cow_close,
.bdrv_create = cow_create,
.bdrv_create2 = cow_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_read = cow_co_read,
.bdrv_write = cow_co_write,
.bdrv_co_get_block_status = cow_co_get_block_status,
.create_options = cow_create_options,
.create_opts = &cow_create_opts,
};
static void bdrv_cow_init(void)