C++ (Cpp) end_import_dvfs_file Examples

Example #1

File: faf_file_mgr.c Project: jeanparpaillon/kerrighed-kernel

struct file *rcv_faf_file_desc(struct rpc_desc *desc)
{
	int r, first_import;
	void *fdesc;
	int fdesc_size;
	long fobjid;
	struct dvfs_file_struct *dvfs_file = NULL;
	struct file *file = NULL;

	r = rpc_unpack_type(desc, fobjid);
	if (r)
		goto error;

	r = rpc_unpack_type(desc, fdesc_size);
	if (r)
		goto error;

	fdesc = kmalloc(GFP_KERNEL, fdesc_size);
	if (!fdesc) {
		r = -ENOMEM;
		goto error;
	}

	r = rpc_unpack(desc, 0, fdesc, fdesc_size);
	if (r)
		goto err_free_desc;

	/* Check if the file struct is already present */
	first_import = 0;

	file = begin_import_dvfs_file(fobjid, &dvfs_file);

	if (!file) {
		file = create_faf_file_from_krg_desc(current, fdesc);
		first_import = 1;
	}

	r = end_import_dvfs_file(fobjid, dvfs_file, file, first_import);
	if (r)
		goto err_free_desc;

err_free_desc:
	kfree(fdesc);

error:
	if (r)
		file = ERR_PTR(r);

	return file;
}

Example #2

static int __cr_link_to_file(struct epm_action *action, ghost_t *ghost,
			     struct task_struct *task,
			     struct cr_file_link *file_link,
			     struct file **returned_file)
{
	int r = 0;

	if (!file_link) {
		BUG();
		r = -E_CR_BADDATA;
		goto exit;
	}

	BUG_ON(file_link->desc_type == CR_FILE_NONE);

	if (file_link->desc_type != CR_FILE_POINTER
	    && file_link->desc_type != CR_FILE_REGULAR_DESC
	    && file_link->desc_type != CR_FILE_FAF_DESC) {
		BUG();
		r = -E_CR_BADDATA;
		goto exit;
	}

	if (file_link->desc_type == CR_FILE_POINTER) {
		*returned_file = file_link->desc;
		get_file(*returned_file);
	} else {
		struct file *file;
		struct dvfs_file_struct *dvfs_file;
		int first_import = 0;

		file_link->desc = &file_link[1];

		/* Check if the file struct is already present */
		file = begin_import_dvfs_file(file_link->dvfs_objid,
					      &dvfs_file);

		/* the file is not yet opened on this node */
		if (!file) {
#ifdef CONFIG_KRG_FAF
			if (file_link->desc_type == CR_FILE_FAF_DESC)
				file = create_faf_file_from_krg_desc(
							task, file_link->desc);
			else
#endif
				file = import_regular_file_from_krg_desc(
					action, task, file_link->desc);
			first_import = 1;
		}

		r = end_import_dvfs_file(file_link->dvfs_objid, dvfs_file, file,
					 first_import);

		if (r)
			goto exit;

		BUG_ON(file->f_objid != file_link->dvfs_objid);

		*returned_file = file;
	}
exit:
	return r;
}