Function freebsd11_getfsstat

freebsd/kern/vfs_syscalls.c:791–817

* Get statistics on all filesystems. */

 * Get statistics on all filesystems.
 */
int
freebsd11_getfsstat(struct thread *td, struct freebsd11_getfsstat_args *uap)
{
	struct freebsd11_statfs osb;
	struct statfs *buf, *sp;
	size_t count, size;
	int error;

	count = uap->bufsize / sizeof(struct ostatfs);
	size = count * sizeof(struct statfs);
	error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE,
	    uap->mode);
	if (error == 0)
		td->td_retval[0] = count;
	if (size > 0) {
		sp = buf;
		while (count > 0 && error == 0) {
			freebsd11_cvtstatfs(sp, &osb);
			error = copyout(&osb, uap->buf, sizeof(osb));
			sp++;
			uap->buf++;
			count--;
		}
		free(buf, M_STATFS);
	}
	return (error);
}

/*
 * Implement fstatfs() for (NFS) file handles.