[format] added volume unmount and improve logic

* acquire a vomume handle and unmount the volume before anything else
* remove the volume access check after partitioning - use a small delay instead
This commit is contained in:
Pete Batard 2011-12-11 02:19:38 +00:00
parent 78ad099bf9
commit df7a0b1fc3
4 changed files with 64 additions and 65 deletions

View File

@ -155,3 +155,14 @@ BOOL GetDriveLabel(DWORD DriveIndex, char* letter, char** label)
return TRUE;
}
BOOL UnmountDrive(HANDLE hDrive)
{
DWORD size;
if (!DeviceIoControl(hDrive, FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL, 0, &size, NULL)) {
uprintf("Could not ummount drive: %s\n", WindowsErrorString());
return FALSE;
}
return TRUE;
}

View File

@ -164,7 +164,7 @@ static BOOL FormatDrive(char DriveLetter)
uprintf("Using cluster size: %d bytes\n", ComboBox_GetItemData(hClusterSize, ComboBox_GetCurSel(hClusterSize)));
format_percent = 0.0f;
task_number = 0;
fs_index = ComboBox_GetItemData(hFileSystem, ComboBox_GetCurSel(hFileSystem));
fs_index = (int)ComboBox_GetItemData(hFileSystem, ComboBox_GetCurSel(hFileSystem));
pfFormatEx(wDriveRoot, SelectedDrive.Geometry.MediaType, wFSType, wLabel,
IsChecked(IDC_QUICKFORMAT), (ULONG)ComboBox_GetItemData(hClusterSize, ComboBox_GetCurSel(hClusterSize)),
FormatExCallback);
@ -338,7 +338,7 @@ void __cdecl FormatThread(void* param)
HANDLE hLogicalVolume = INVALID_HANDLE_VALUE;
char drive_name[] = "?:";
char bb_msg[256];
int i;
int r;
hPhysicalDrive = GetDriveHandle(num, NULL, TRUE, TRUE);
if (hPhysicalDrive == INVALID_HANDLE_VALUE) {
@ -347,45 +347,49 @@ void __cdecl FormatThread(void* param)
}
// At this stage with have both a handle and a lock to the physical drive...
// ... but we can't write sectors that are part of a volume, even if we have
// access to physical, unless we have a lock (which doesn't have to be write)
// Also, having a volume handle allows us to unmount the volume
hLogicalVolume = GetDriveHandle(num, drive_name, FALSE, TRUE);
if (hLogicalVolume == INVALID_HANDLE_VALUE) {
uprintf("Could not lock volume\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
goto out;
}
UnmountDrive(hLogicalVolume);
if (IsChecked(IDC_BADBLOCKS)) {
// ... but we can't write sectors that are part of a volume, even if we have
// access to physical, unless we have a lock (which doesn't have to be write)
hLogicalVolume = GetDriveHandle(num, drive_name, FALSE, TRUE);
if (hLogicalVolume == INVALID_HANDLE_VALUE) {
uprintf("Could not lock volume for badblock checks\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
goto out;
}
bb_retry:
if (!BadBlocks(hPhysicalDrive, SelectedDrive.DiskSize,
SelectedDrive.Geometry.BytesPerSector, BADBLOCKS_RW, &report)) {
uprintf("Bad blocks check failed.\n");
if (!FormatStatus)
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|
APPERR(ERROR_BADBLOCKS_FAILURE);
// TODO: should probably ClearMBR here as well
goto out;
}
uprintf("Check completed, %u bad block%s found. (%d/%d/%d errors)\n",
report.bb_count, (report.bb_count==1)?"":"s",
report.num_read_errors, report.num_write_errors, report.num_corruption_errors);
if (report.bb_count) {
safe_sprintf(bb_msg, sizeof(bb_msg), "Check completed - %u bad block%s found:\n"
" %d read errors\n %d write errors\n %d corruption errors",
report.bb_count, (report.bb_count==1)?"":"s",
report.num_read_errors, report.num_write_errors,
report.num_corruption_errors);
switch(MessageBoxA(hMainDialog, bb_msg, "Bad blocks check",
MB_ABORTRETRYIGNORE|MB_ICONWARNING)) {
case IDRETRY:
goto bb_retry;
case IDABORT:
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_CANCELLED;
do {
if (!BadBlocks(hPhysicalDrive, SelectedDrive.DiskSize,
SelectedDrive.Geometry.BytesPerSector, BADBLOCKS_RW, &report)) {
uprintf("Bad blocks check failed.\n");
if (!FormatStatus)
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|
APPERR(ERROR_BADBLOCKS_FAILURE);
// TODO: should probably ClearMBR here as well
goto out;
}
uprintf("Check completed, %u bad block%s found. (%d/%d/%d errors)\n",
report.bb_count, (report.bb_count==1)?"":"s",
report.num_read_errors, report.num_write_errors, report.num_corruption_errors);
r = IDOK;
if (report.bb_count) {
safe_sprintf(bb_msg, sizeof(bb_msg), "Check completed - %u bad block%s found:\n"
" %d read errors\n %d write errors\n %d corruption errors",
report.bb_count, (report.bb_count==1)?"":"s",
report.num_read_errors, report.num_write_errors,
report.num_corruption_errors);
r = MessageBoxA(hMainDialog, bb_msg, "Bad blocks check", MB_ABORTRETRYIGNORE|MB_ICONWARNING);
}
} while (r == IDRETRY);
if (r == IDABORT) {
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_CANCELLED;
goto out;
}
safe_unlockclose(hLogicalVolume);
}
// Close the (unmounted) volume before formatting, but keep the lock
safe_closehandle(hLogicalVolume);
// TODO: do we have to sleep here for unmount to be effective?
// Especially after destructive badblocks test, you must zero the MBR completely
// before repartitioning. Else, all kind of bad things happen
@ -402,21 +406,8 @@ bb_retry:
}
UpdateProgress(OP_PARTITION, -1.0f);
// Make sure we can access the volume again before trying to format it
for (i=0; i<10; i++) {
Sleep(500);
hLogicalVolume = GetDriveHandle(num, drive_name, FALSE, FALSE);
if (hLogicalVolume != INVALID_HANDLE_VALUE) {
break;
}
}
if (i >= 10) {
uprintf("Could not access volume after partitioning\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
goto out;
}
// Handle needs to be closed for FormatEx to be happy - we keep a lock though
safe_closehandle(hLogicalVolume);
// Add a small delay after partitioning to be safe
Sleep(500);
if (!FormatDrive(drive_name[0])) {
// Error will be set by FormatDrive() in FormatStatus
@ -424,11 +415,6 @@ bb_retry:
goto out;
}
// TODO: Enable compression on NTFS
// TODO: optionally disable indexing on NTFS
// TODO: use progress bar during MBR/FSBR/MSDOS copy
// TODO: unlock/remount trick to make the volume reappear
PrintStatus(0, "Writing master boot record...\n");
if (!WriteMBR(hPhysicalDrive)) {
// Errorcode has already been set
@ -437,8 +423,9 @@ bb_retry:
UpdateProgress(OP_FIX_MBR, -1.0f);
if (IsChecked(IDC_DOS)) {
// We must have a lock to modify the volume boot record...
hLogicalVolume = GetDriveHandle(num, drive_name, TRUE, TRUE);
// We still have a lock, which we need to modify the volume boot record
// => no need to reacquire the lock...
hLogicalVolume = GetDriveHandle(num, drive_name, TRUE, FALSE);
if (hLogicalVolume == INVALID_HANDLE_VALUE) {
uprintf("Could not re-mount volume for partition boot record access\n");
FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_OPEN_FAILED;
@ -449,7 +436,7 @@ bb_retry:
// Errorcode has already been set
goto out;
}
// ... and we must have relinquished that lock to write the MS-DOS files
// ...but we must have relinquished that lock to write the MS-DOS files
safe_unlockclose(hLogicalVolume);
UpdateProgress(OP_DOS, -1.0f);
PrintStatus(0, "Copying MS-DOS files...\n");

View File

@ -159,6 +159,7 @@ extern void __cdecl FormatThread(void* param);
extern BOOL CreatePartition(HANDLE hDrive);
extern HANDLE GetDriveHandle(DWORD DriveIndex, char* DriveLetter, BOOL bWriteAccess, BOOL bLockDrive);
extern BOOL GetDriveLabel(DWORD DriveIndex, char* letter, char** label);
extern BOOL UnmountDrive(HANDLE hDrive);
__inline static BOOL UnlockDrive(HANDLE hDrive)
{

View File

@ -30,7 +30,7 @@ LANGUAGE LANG_ENGLISH, SUBLANG_NEUTRAL
IDD_DIALOG DIALOGEX 12, 12, 206, 278
STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | WS_POPUP | WS_CAPTION | WS_SYSMENU
EXSTYLE WS_EX_APPWINDOW
CAPTION "Rufus v1.0.2.87 (Beta)"
CAPTION "Rufus v1.0.2.88 (Beta)"
FONT 8, "MS Shell Dlg", 400, 0, 0x1
BEGIN
DEFPUSHBUTTON "Start",IDC_START,94,236,50,14
@ -64,7 +64,7 @@ BEGIN
DEFPUSHBUTTON "OK",IDOK,231,175,50,14,WS_GROUP
CONTROL "<a href=""http://rufus.akeo.ie"">http://rufus.akeo.ie</a>",IDC_ABOUT_RUFUS_URL,
"SysLink",WS_TABSTOP,46,47,114,9
LTEXT "Version 1.0.2 (Build 87)",IDC_STATIC,46,19,78,8
LTEXT "Version 1.0.2 (Build 88)",IDC_STATIC,46,19,78,8
PUSHBUTTON "License...",IDC_ABOUT_LICENSE,46,175,50,14,WS_GROUP
EDITTEXT IDC_ABOUT_COPYRIGHTS,46,107,235,63,ES_MULTILINE | ES_READONLY | WS_VSCROLL
LTEXT "Report bugs or request enhancements at:",IDC_STATIC,46,66,187,8
@ -163,8 +163,8 @@ END
//
VS_VERSION_INFO VERSIONINFO
FILEVERSION 1,0,2,87
PRODUCTVERSION 1,0,2,87
FILEVERSION 1,0,2,88
PRODUCTVERSION 1,0,2,88
FILEFLAGSMASK 0x3fL
#ifdef _DEBUG
FILEFLAGS 0x1L
@ -181,13 +181,13 @@ BEGIN
BEGIN
VALUE "CompanyName", "akeo.ie"
VALUE "FileDescription", "Rufus"
VALUE "FileVersion", "1.0.2.87"
VALUE "FileVersion", "1.0.2.88"
VALUE "InternalName", "Rufus"
VALUE "LegalCopyright", "© 2011 Pete Batard (GPL v3)"
VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
VALUE "OriginalFilename", "rufus.exe"
VALUE "ProductName", "Rufus"
VALUE "ProductVersion", "1.0.2.87"
VALUE "ProductVersion", "1.0.2.88"
END
END
BLOCK "VarFileInfo"