disk: small improvement, but still doesn't work

pull/1530/head
Justin Yang 2 years ago
parent 1136aa25da
commit 319f5ea6e5

@ -26,13 +26,15 @@ const (
func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, error) { func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, error) {
var ret []PartitionStat var ret []PartitionStat
trap := 483 // SYS___getvfsstat90 syscall
flag := uint64(1) // ST_WAIT/MNT_WAIT, see sys/fstypes.h flag := uint64(1) // ST_WAIT/MNT_WAIT, see sys/fstypes.h
// get required buffer size // get required buffer size
emptyBufSize := 0
r, _, err := unix.Syscall( r, _, err := unix.Syscall(
483, // SYS___getvfsstat90 syscall uintptr(unsafe.Pointer(&trap)),
0, uintptr(unsafe.Pointer(nil)),
0, uintptr(unsafe.Pointer(&emptyBufSize)),
uintptr(unsafe.Pointer(&flag)), uintptr(unsafe.Pointer(&flag)),
) )
if err != 0 { if err != 0 {
@ -46,7 +48,7 @@ func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, erro
// request agian to get desired mount data // request agian to get desired mount data
_, _, err = unix.Syscall( _, _, err = unix.Syscall(
483, uintptr(unsafe.Pointer(&flag)),
uintptr(unsafe.Pointer(&buf[0])), uintptr(unsafe.Pointer(&buf[0])),
uintptr(unsafe.Pointer(&bufSize)), uintptr(unsafe.Pointer(&bufSize)),
uintptr(unsafe.Pointer(&flag)), uintptr(unsafe.Pointer(&flag)),
@ -102,10 +104,11 @@ func IOCountersWithContext(ctx context.Context, names ...string) (map[string]IOC
func UsageWithContext(ctx context.Context, path string) (*UsageStat, error) { func UsageWithContext(ctx context.Context, path string) (*UsageStat, error) {
stat := Statvfs{} stat := Statvfs{}
trap := 485 // SYS___fstatvfs190, see sys/syscall.h
flag := uint64(1) // ST_WAIT/MNT_WAIT, see sys/fstypes.h flag := uint64(1) // ST_WAIT/MNT_WAIT, see sys/fstypes.h
_, _, err := unix.Syscall( _, _, err := unix.Syscall(
485, // SYS___fstatvfs190, see sys/syscall.h uintptr(unsafe.Pointer(&trap)),
uintptr(unsafe.Pointer(&path)), uintptr(unsafe.Pointer(&path)),
uintptr(unsafe.Pointer(&stat)), uintptr(unsafe.Pointer(&stat)),
uintptr(unsafe.Pointer(&flag)), uintptr(unsafe.Pointer(&flag)),

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