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[core] add a workaround for >1TB HDDs that mistakenly report short writes

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* It appears that 1.5TB and 2TB HDDs, accessed trough some Seagate ow WD USB ↔ SATA
  controllers, can report that 0 bytes were written on WriteFile(), even though all
  the data was effectively written. 1TB HDDs, accessed through the same controller,
  do not report this issue. So add a workaround for that.
* Also see #787
This commit is contained in:
Pete Batard 2016-09-06 17:56:36 +01:00
parent 8ca644de5a
commit aa4baab194
7 changed files with 32 additions and 13 deletions
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3
src/format.c
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@ -1557,6 +1557,9 @@ DWORD WINAPI FormatThread(void* param)
tt = GETTARGETTYPE((int)ComboBox_GetItemData(hPartitionScheme, ComboBox_GetCurSel(hPartitionScheme)));
use_large_fat32 = (fs == FS_FAT32) && ((SelectedDrive.DiskSize > LARGE_FAT32_SIZE) || (force_large_fat32));
windows_to_go = (togo_mode) && HAS_TOGO(img_report) && (Button_GetCheck(GetDlgItem(hMainDialog, IDC_WINDOWS_TO_GO)) == BST_CHECKED);
large_drive = (SelectedDrive.DiskSize > (1*TB));
if (large_drive)
uprintf("Notice: Large drive detected (may produce short writes)");
// Find out if we need to add any extra partitions
if ((windows_to_go) && (tt == TT_UEFI) && (pt == PARTITION_STYLE_GPT))
// According to Microsoft, every GPT disk (we RUN Windows from) must have an MSR due to not having hidden sectors