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[VFATLIB]

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- Lock the volume before formatting to prevent concurrent access during formatting
- This should (in theory) fix our formatting issue on mounted devices but currently we don't support FSCTL_LOCK_VOLUME in our FS drivers

svn path=/trunk/; revision=52435
This commit is contained in:
Cameron Gutman 2011-06-23 22:34:03 +00:00
parent a50aff948b
commit a3b61053bc
1 changed files with 30 additions and 0 deletions
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30
reactos/lib/fslib/vfatlib/vfatlib.c
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@ -194,6 +194,21 @@ VfatFormat(IN PUNICODE_STRING DriveRoot,
Context.Percent = 0;
Callback (PROGRESS, 0, (PVOID)&Context.Percent);
}
Status = NtFsControlFile(FileHandle,
NULL,
NULL,
NULL,
&Iosb,
FSCTL_LOCK_VOLUME,
NULL,
0,
NULL,
0);
if (!NT_SUCCESS(Status))
{
DPRINT1("WARNING: Failed to lock volume for formatting! Format may fail! (Status: 0x%x)\n", Status);
}
if (PartitionInfo.PartitionType == PARTITION_FAT_12)
{
@ -235,6 +250,21 @@ VfatFormat(IN PUNICODE_STRING DriveRoot,
{
Status = STATUS_INVALID_PARAMETER;
}
Status = NtFsControlFile(FileHandle,
NULL,
NULL,
NULL,
&Iosb,
FSCTL_UNLOCK_VOLUME,
NULL,
0,
NULL,
0);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to unlock volume (Status: 0x%x)\n", Status);
}
NtClose(FileHandle);