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fix: Allow Walk to honor load balanced drives (#10610)

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This commit is contained in:
Harshavardhana
2020-10-01 20:24:34 -07:00
committed by GitHub
parent 71403be912
commit 23e8390997
11 changed files with 57 additions and 47 deletions
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25
pkg/disk/stat_windows.go
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@@ -23,16 +23,19 @@ import (
"os"
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var (
kernel32 = syscall.NewLazyDLL("kernel32.dll")
kernel32 = windows.NewLazySystemDLL("kernel32.dll")
// GetDiskFreeSpaceEx - https://msdn.microsoft.com/en-us/library/windows/desktop/aa364937(v=vs.85).aspx
// Retrieves information about the amount of space that is available on a disk volume,
// which is the total amount of space, the total amount of free space, and the total
// amount of free space available to the user that is associated with the calling thread.
GetDiskFreeSpaceEx = kernel32.NewProc("GetDiskFreeSpaceExW")
// GetDiskFreeSpace - https://msdn.microsoft.com/en-us/library/windows/desktop/aa364935(v=vs.85).aspx
// Retrieves information about the specified disk, including the amount of free space on the disk.
GetDiskFreeSpace = kernel32.NewProc("GetDiskFreeSpaceW")
@@ -63,10 +66,18 @@ func GetInfo(path string) (info Info, err error) {
uintptr(unsafe.Pointer(&lpFreeBytesAvailable)),
uintptr(unsafe.Pointer(&lpTotalNumberOfBytes)),
uintptr(unsafe.Pointer(&lpTotalNumberOfFreeBytes)))
info = Info{}
info.Total = uint64(lpTotalNumberOfBytes)
info.Free = uint64(lpFreeBytesAvailable)
info.FSType = getFSType(path)
if uint64(lpTotalNumberOfFreeBytes) > uint64(lpTotalNumberOfBytes) {
return info, fmt.Errorf("detected free space (%d) > total disk space (%d), fs corruption at (%s). please run 'fsck'",
uint64(lpTotalNumberOfFreeBytes), uint64(lpTotalNumberOfBytes), path)
}
info = Info{
Total: uint64(lpTotalNumberOfBytes),
Free: uint64(lpTotalNumberOfFreeBytes),
Used: uint64(lpTotalNumberOfBytes) - uint64(lpTotalNumberOfFreeBytes),
FSType: getFSType(path),
}
// Return values of GetDiskFreeSpace()
lpSectorsPerCluster := uint32(0)
@@ -91,9 +102,5 @@ func GetInfo(path string) (info Info, err error) {
info.Files = uint64(lpTotalNumberOfClusters)
info.Ffree = uint64(lpNumberOfFreeClusters)
if info.Free > info.Total {
return info, fmt.Errorf("detected free space (%d) > total disk space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
}
info.Used = info.Total - info.Free
return info, nil
}