v7fs_io_init
if ((error = v7fs_io_init(&fs, mount, V7FS_BSIZE))) {
if ((error = v7fs_io_init(&fs, mount, V7FS_BSIZE))) {
int v7fs_io_init(struct v7fs_self **, const struct v7fs_mount_device *, size_t);
if ((error = v7fs_io_init(&v7fsmount->core, &mount, V7FS_BSIZE))) {
if ((error = v7fs_io_init(&fs, device, V7FS_BSIZE))) {