Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-07-03 19:24:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

[USETUP]

Browse source 
Implement CreateLogicalPartition. Now we can create logical partitons, but they will not be written to a disk yet.

svn path=/trunk/; revision=68197
This commit is contained in:
Eric Kohl 2015-06-19 19:01:39 +00:00
parent 7b8f59932c
commit 501e32913a
1 changed files with 64 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

67
reactos/base/setup/usetup/partlist.c
View file

@ -2621,9 +2621,9 @@ CreateLogicalPartition(
PPARTLIST List,
ULONGLONG SectorCount)
{
// PDISKENTRY DiskEntry;
PDISKENTRY DiskEntry;
PPARTENTRY PartEntry;
// PPARTENTRY NewPartEntry;
PPARTENTRY NewPartEntry;
DPRINT1("CreateLogicalPartition(%I64u)\n", SectorCount);
@ -2635,10 +2635,71 @@ CreateLogicalPartition(
return;
}
// DiskEntry = List->CurrentDisk;
DiskEntry = List->CurrentDisk;
PartEntry = List->CurrentPartition;
DPRINT1("Current partition sector count: %I64u\n", PartEntry->SectorCount.QuadPart);
if (Align(PartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) - PartEntry->StartSector.QuadPart == PartEntry->SectorCount.QuadPart)
{
DPRINT1("Convert existing partition entry\n");
/* Convert current entry to 'new (unformatted)' */
PartEntry->IsPartitioned = TRUE;
PartEntry->PartitionType = PARTITION_ENTRY_UNUSED;
PartEntry->FormatState = Unformatted;
PartEntry->AutoCreate = FALSE;
PartEntry->New = TRUE;
PartEntry->BootIndicator = FALSE;
PartEntry->LogicalPartition = TRUE;
DPRINT1("First Sector: %I64u\n", PartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", PartEntry->StartSector.QuadPart + PartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", PartEntry->SectorCount.QuadPart);
}
else
{
DPRINT1("Add new partition entry\n");
/* Insert and initialize a new partition entry */
NewPartEntry = RtlAllocateHeap(ProcessHeap,
HEAP_ZERO_MEMORY,
sizeof(PARTENTRY));
if (NewPartEntry == NULL)
return;
/* Insert the new entry into the list */
InsertTailList(&PartEntry->ListEntry,
&NewPartEntry->ListEntry);
NewPartEntry->DiskEntry = DiskEntry;
NewPartEntry->IsPartitioned = TRUE;
NewPartEntry->StartSector.QuadPart = PartEntry->StartSector.QuadPart;
NewPartEntry->SectorCount.QuadPart = Align(NewPartEntry->StartSector.QuadPart + SectorCount, DiskEntry->SectorAlignment) -
NewPartEntry->StartSector.QuadPart;
NewPartEntry->PartitionType = PARTITION_ENTRY_UNUSED;
DPRINT1("First Sector: %I64u\n", NewPartEntry->StartSector.QuadPart);
DPRINT1("Last Sector: %I64u\n", NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart - 1);
DPRINT1("Total Sectors: %I64u\n", NewPartEntry->SectorCount.QuadPart);
NewPartEntry->New = TRUE;
NewPartEntry->FormatState = Unformatted;
NewPartEntry->BootIndicator = FALSE;
NewPartEntry->LogicalPartition = TRUE;
PartEntry->StartSector.QuadPart = NewPartEntry->StartSector.QuadPart + NewPartEntry->SectorCount.QuadPart;
PartEntry->SectorCount.QuadPart -= (PartEntry->StartSector.QuadPart - NewPartEntry->StartSector.QuadPart);
}
UpdateDiskLayout(DiskEntry);
DiskEntry->Dirty = TRUE;
UpdatePartitionNumbers(DiskEntry);
AssignDriveLetters(List);
}