Exemplos de v9fs_get_default_trans em C++ (Cpp)

Exemplo n.º 1

Arquivo: client.c Projeto: adk9/9p-sac-old

struct p9_client *p9_client_create(const char *dev_name, char *options)
{
	int err;
	struct p9_client *clnt;

	err = 0;
	clnt = kmalloc(sizeof(struct p9_client), GFP_KERNEL);
	if (!clnt)
		return ERR_PTR(-ENOMEM);

	clnt->trans_mod = NULL;
	clnt->trans = NULL;
	spin_lock_init(&clnt->lock);
	INIT_LIST_HEAD(&clnt->fidlist);
	clnt->fidpool = p9_idpool_create();
	if (IS_ERR(clnt->fidpool)) {
		err = PTR_ERR(clnt->fidpool);
		clnt->fidpool = NULL;
		goto error;
	}

	p9_tag_init(clnt);

	err = parse_opts(options, clnt);
	if (err < 0)
		goto error;

	if (!clnt->trans_mod)
		clnt->trans_mod = v9fs_get_default_trans();

	if (clnt->trans_mod == NULL) {
		err = -EPROTONOSUPPORT;
		P9_DPRINTK(P9_DEBUG_ERROR,
				"No transport defined or default transport\n");
		goto error;
	}

	P9_DPRINTK(P9_DEBUG_MUX, "clnt %p trans %p msize %d dotu %d\n",
		clnt, clnt->trans_mod, clnt->msize, clnt->dotu);

	err = clnt->trans_mod->create(clnt, dev_name, options);
	if (err)
		goto error;

	if ((clnt->msize+P9_IOHDRSZ) > clnt->trans_mod->maxsize)
		clnt->msize = clnt->trans_mod->maxsize-P9_IOHDRSZ;

	err = p9_client_version(clnt);
	if (err)
		goto error;

	return clnt;

error:
	p9_client_destroy(clnt);
	return ERR_PTR(err);
}

Exemplo n.º 2

Arquivo: client.c Projeto: mpalmer/linux-2.6

static int parse_opts(char *opts, struct p9_client *clnt)
{
	char *options;
	char *p;
	substring_t args[MAX_OPT_ARGS];
	int option;
	int ret = 0;

	clnt->dotu = 1;
	clnt->msize = 8192;

	if (!opts)
		return 0;

	options = kstrdup(opts, GFP_KERNEL);
	if (!options) {
		P9_DPRINTK(P9_DEBUG_ERROR,
				"failed to allocate copy of option string\n");
		return -ENOMEM;
	}

	while ((p = strsep(&options, ",")) != NULL) {
		int token;
		if (!*p)
			continue;
		token = match_token(p, tokens, args);
		if (token < Opt_trans) {
			int r = match_int(&args[0], &option);
			if (r < 0) {
				P9_DPRINTK(P9_DEBUG_ERROR,
					"integer field, but no integer?\n");
				ret = r;
				continue;
			}
		}
		switch (token) {
		case Opt_msize:
			clnt->msize = option;
			break;
		case Opt_trans:
			clnt->trans_mod = v9fs_get_trans_by_name(&args[0]);
			break;
		case Opt_legacy:
			clnt->dotu = 0;
			break;
		default:
			continue;
		}
	}

	if (!clnt->trans_mod)
		clnt->trans_mod = v9fs_get_default_trans();

	kfree(options);
	return ret;
}