compat_statfs
#define compat_statfs compat_statfs
#define compat_statfs compat_statfs
#define compat_statfs compat_statfs
static int put_compat_statfs(struct compat_statfs __user *ubuf, struct kstatfs *kbuf)
struct compat_statfs buf;
memset(&buf, 0, sizeof(struct compat_statfs));
if (copy_to_user(ubuf, &buf, sizeof(struct compat_statfs)))
COMPAT_SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct compat_statfs __user *, buf)
COMPAT_SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct compat_statfs __user *, buf)
#ifndef compat_statfs
struct compat_statfs;
struct compat_statfs __user *buf);
struct compat_statfs __user *buf);