Signed-off-by: Dong Xu Wang <wdon...@linux.vnet.ibm.com> --- block.c | 86 ++++++++++++++++++++++++++++++----------------------------------- 1 file changed, 39 insertions(+), 47 deletions(-)
diff --git a/block.c b/block.c index 25090dc..9f52341 100644 --- a/block.c +++ b/block.c @@ -375,7 +375,7 @@ static void coroutine_fn bdrv_create_co_entry(void *opaque) CreateCo *cco = opaque; assert(cco->drv); - cco->ret = cco->drv->bdrv_create(cco->filename, cco->options); + cco->ret = cco->drv->bdrv_create_new(cco->filename, cco->opts); } int bdrv_create(BlockDriver *drv, const char* filename, @@ -1036,7 +1036,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, QDict *options, BlockDriverState *bs1; int64_t total_size; BlockDriver *bdrv_qcow2; - QEMUOptionParameter *create_options; + QemuOpts *opts; char backing_filename[PATH_MAX]; if (qdict_size(options) != 0) { @@ -1075,19 +1075,16 @@ int bdrv_open(BlockDriverState *bs, const char *filename, QDict *options, } bdrv_qcow2 = bdrv_find_format("qcow2"); - create_options = parse_option_parameters("", bdrv_qcow2->create_options, - NULL); + opts = qemu_opts_create_nofail(bdrv_qcow2->bdrv_create_opts); - set_option_parameter_int(create_options, BLOCK_OPT_SIZE, total_size); - set_option_parameter(create_options, BLOCK_OPT_BACKING_FILE, - backing_filename); + qemu_opt_set_number(opts, BLOCK_OPT_SIZE, total_size); + qemu_opt_set(opts, BLOCK_OPT_BACKING_FILE, backing_filename); if (drv) { - set_option_parameter(create_options, BLOCK_OPT_BACKING_FMT, - drv->format_name); + qemu_opt_set(opts, BLOCK_OPT_BACKING_FMT, drv->format_name); } - ret = bdrv_create(bdrv_qcow2, tmp_filename, create_options); - free_option_parameters(create_options); + ret = bdrv_create_new(bdrv_qcow2, tmp_filename, opts); + qemu_opts_del(opts); if (ret < 0) { goto fail; } @@ -4519,8 +4516,10 @@ void bdrv_img_create(const char *filename, const char *fmt, char *options, uint64_t img_size, int flags, Error **errp, bool quiet) { - QEMUOptionParameter *param = NULL, *create_options = NULL; - QEMUOptionParameter *backing_fmt, *backing_file, *size; + QemuOpts *opts = NULL; + QemuOptsList *create_opts = NULL; + const char *backing_fmt, *backing_file; + int64_t size; BlockDriverState *bs = NULL; BlockDriver *drv, *proto_drv; BlockDriver *backing_drv = NULL; @@ -4538,28 +4537,23 @@ void bdrv_img_create(const char *filename, const char *fmt, error_setg(errp, "Unknown protocol '%s'", filename); return; } - - create_options = append_option_parameters(create_options, - drv->create_options); - create_options = append_option_parameters(create_options, - proto_drv->create_options); - + create_opts = qemu_opts_append(drv->bdrv_create_opts, + proto_drv->bdrv_create_opts); /* Create parameter list with default values */ - param = parse_option_parameters("", create_options, param); + opts = qemu_opts_create_nofail(create_opts); - set_option_parameter_int(param, BLOCK_OPT_SIZE, img_size); + qemu_opt_set_number(opts, BLOCK_OPT_SIZE, img_size); /* Parse -o options */ if (options) { - param = parse_option_parameters(options, create_options, param); - if (param == NULL) { + if (qemu_opts_do_parse_replace(opts, options, NULL) != 0) { error_setg(errp, "Invalid options for file format '%s'.", fmt); goto out; } } if (base_filename) { - if (set_option_parameter(param, BLOCK_OPT_BACKING_FILE, + if (qemu_opt_replace_set(opts, BLOCK_OPT_BACKING_FILE, base_filename)) { error_setg(errp, "Backing file not supported for file format '%s'", fmt); @@ -4568,39 +4562,37 @@ void bdrv_img_create(const char *filename, const char *fmt, } if (base_fmt) { - if (set_option_parameter(param, BLOCK_OPT_BACKING_FMT, base_fmt)) { + if (qemu_opt_replace_set(opts, BLOCK_OPT_BACKING_FMT, base_fmt)) { error_setg(errp, "Backing file format not supported for file " "format '%s'", fmt); goto out; } } - backing_file = get_option_parameter(param, BLOCK_OPT_BACKING_FILE); - if (backing_file && backing_file->value.s) { - if (!strcmp(filename, backing_file->value.s)) { + backing_file = qemu_opt_get(opts, BLOCK_OPT_BACKING_FILE); + if (backing_file) { + if (!strcmp(filename, backing_file)) { error_setg(errp, "Error: Trying to create an image with the " "same filename as the backing file"); goto out; } } - backing_fmt = get_option_parameter(param, BLOCK_OPT_BACKING_FMT); - if (backing_fmt && backing_fmt->value.s) { - backing_drv = bdrv_find_format(backing_fmt->value.s); + backing_fmt = qemu_opt_get(opts, BLOCK_OPT_BACKING_FMT); + if (backing_fmt) { + backing_drv = bdrv_find_format(backing_fmt); if (!backing_drv) { - error_setg(errp, "Unknown backing file format '%s'", - backing_fmt->value.s); + error_setg(errp, "Unknown backing file format '%s'", backing_fmt); goto out; } } // The size for the image must always be specified, with one exception: // If we are using a backing file, we can obtain the size from there - size = get_option_parameter(param, BLOCK_OPT_SIZE); - if (size && size->value.n == -1) { - if (backing_file && backing_file->value.s) { + size = qemu_opt_get_size(opts, BLOCK_OPT_SIZE, 0); + if (size == -1) { + if (backing_file) { uint64_t size; - char buf[32]; int back_flags; /* backing files always opened read-only */ @@ -4609,18 +4601,16 @@ void bdrv_img_create(const char *filename, const char *fmt, bs = bdrv_new(""); - ret = bdrv_open(bs, backing_file->value.s, NULL, back_flags, - backing_drv); + ret = bdrv_open(bs, backing_file, NULL, back_flags, backing_drv); if (ret < 0) { error_setg_errno(errp, -ret, "Could not open '%s'", - backing_file->value.s); + backing_file); goto out; } bdrv_get_geometry(bs, &size); size *= 512; - snprintf(buf, sizeof(buf), "%" PRId64, size); - set_option_parameter(param, BLOCK_OPT_SIZE, buf); + qemu_opt_replace_set_number(opts, BLOCK_OPT_SIZE, size); } else { error_setg(errp, "Image creation needs a size parameter"); goto out; @@ -4629,17 +4619,17 @@ void bdrv_img_create(const char *filename, const char *fmt, if (!quiet) { printf("Formatting '%s', fmt=%s ", filename, fmt); - print_option_parameters(param); + qemu_opts_print(opts); puts(""); } - ret = bdrv_create(drv, filename, param); + ret = bdrv_create_new(drv, filename, opts); if (ret < 0) { if (ret == -ENOTSUP) { error_setg(errp,"Formatting or formatting option not supported for " "file format '%s'", fmt); } else if (ret == -EFBIG) { const char *cluster_size_hint = ""; - if (get_option_parameter(create_options, BLOCK_OPT_CLUSTER_SIZE)) { + if (qemu_opt_get_size(opts, BLOCK_OPT_CLUSTER_SIZE, 0)) { cluster_size_hint = " (try using a larger cluster size)"; } error_setg(errp, "The image size is too large for file format '%s'%s", @@ -4651,8 +4641,10 @@ void bdrv_img_create(const char *filename, const char *fmt, } out: - free_option_parameters(create_options); - free_option_parameters(param); + if (opts) { + qemu_opts_del(opts); + } + qemu_opts_free(create_opts); if (bs) { bdrv_delete(bs); -- 1.7.11.7