// This test is racy. If an external process consumes space while this
// runs, we may see spurious differences between the two statfs() calls.
func TestStatFs(t *testing.T) {
ts := NewTestCase(t)
defer ts.Cleanup()
empty := syscall.Statfs_t{}
s1 := empty
err := syscall.Statfs(ts.orig, &s1)
if err != 0 {
t.Fatal("statfs orig", err)
}
s2 := syscall.Statfs_t{}
err = syscall.Statfs(ts.mnt, &s2)
s1.Type = 0
s2.Type = 0
s1.Fsid = empty.Fsid
s2.Fsid = empty.Fsid
s1.Spare = empty.Spare
s2.Spare = empty.Spare
if err != 0 {
t.Fatal("statfs mnt", err)
}
if fmt.Sprintf("%v", s2) != fmt.Sprintf("%v", s1) {
t.Error("Mismatch", s1, s2)
}
}
func clearStatfs(s *syscall.Statfs_t) {
empty := syscall.Statfs_t{}
s.Type = 0
s.Fsid = empty.Fsid
s.Spare = empty.Spare
// TODO - figure out what this is for.
s.Flags = 0
}
func clearStatfs(s *syscall.Statfs_t) {
empty := syscall.Statfs_t{}
// FUSE can only set the following fields.
empty.Blocks = s.Blocks
empty.Bfree = s.Bfree
empty.Bavail = s.Bavail
empty.Files = s.Files
empty.Ffree = s.Ffree
empty.Iosize = s.Iosize
empty.Bsize = s.Bsize
// Clear out the rest.
*s = empty
}