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[FASTFAT]

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Properly flush volume on dismount

svn path=/trunk/; revision=65353
This commit is contained in:
Pierre Schweitzer 2014-11-10 10:18:29 +00:00
parent 411da63870
commit da318dabea
1 changed files with 4 additions and 24 deletions
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28
reactos/drivers/filesystems/fastfat/fsctl.c
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@ -913,10 +913,12 @@ VfatDismountVolume(
PDEVICE_EXTENSION DeviceExt;
PLIST_ENTRY NextEntry;
PVFATFCB Fcb;
PFILE_OBJECT FileObject;
DPRINT("VfatDismountVolume(%p)\n", IrpContext);
DeviceExt = IrpContext->DeviceExt;
FileObject = IrpContext->FileObject;
/* We HAVE to be locked. Windows also allows dismount with no lock
* but we're here mainly for 1st stage, so KISS
@ -937,30 +939,8 @@ VfatDismountVolume(
ExAcquireResourceExclusiveLite(&DeviceExt->FatResource, TRUE);
/* Browse all the available FCBs first, and force data writing to disk */
for (NextEntry = DeviceExt->FcbListHead.Flink;
NextEntry != &DeviceExt->FcbListHead;
NextEntry = NextEntry->Flink)
{
Fcb = CONTAINING_RECORD(NextEntry, VFATFCB, FcbListEntry);
ExAcquireResourceExclusiveLite(&Fcb->MainResource, TRUE);
ExAcquireResourceExclusiveLite(&Fcb->PagingIoResource, TRUE);
if (Fcb->FileObject)
{
if (Fcb->Flags & FCB_IS_DIRTY)
{
VfatUpdateEntry(Fcb);
}
CcPurgeCacheSection(Fcb->FileObject->SectionObjectPointer, NULL, 0, FALSE);
CcUninitializeCacheMap(Fcb->FileObject, &Fcb->RFCB.FileSize, NULL);
}
ExReleaseResourceLite(&Fcb->PagingIoResource);
ExReleaseResourceLite(&Fcb->MainResource);
}
/* Flush volume & files */
VfatFlushVolume(DeviceExt, (PVFATFCB)FileObject->FsContext);
/* Rebrowse the FCB in order to free them now */
while (!IsListEmpty(&DeviceExt->FcbListHead))