Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-03 22:05:49 +00:00
Code Issues Projects Releases Packages Wiki Activity

[FASTFAT]

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

28
reactos/drivers/filesystems/fastfat/fsctl.c
View file

@ -913,10 +913,12 @@ VfatDismountVolume(
PDEVICE_EXTENSION DeviceExt; PDEVICE_EXTENSION DeviceExt;
PLIST_ENTRY NextEntry; PLIST_ENTRY NextEntry;
PVFATFCB Fcb; PVFATFCB Fcb;
PFILE_OBJECT FileObject;
DPRINT("VfatDismountVolume(%p)\n", IrpContext); DPRINT("VfatDismountVolume(%p)\n", IrpContext);
DeviceExt = IrpContext->DeviceExt; DeviceExt = IrpContext->DeviceExt;
FileObject = IrpContext->FileObject;
/* We HAVE to be locked. Windows also allows dismount with no lock /* We HAVE to be locked. Windows also allows dismount with no lock
* but we're here mainly for 1st stage, so KISS * but we're here mainly for 1st stage, so KISS
@ -937,30 +939,8 @@ VfatDismountVolume(
ExAcquireResourceExclusiveLite(&DeviceExt->FatResource, TRUE); ExAcquireResourceExclusiveLite(&DeviceExt->FatResource, TRUE);
/* Browse all the available FCBs first, and force data writing to disk */ /* Flush volume & files */
for (NextEntry = DeviceExt->FcbListHead.Flink; VfatFlushVolume(DeviceExt, (PVFATFCB)FileObject->FsContext);
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);
}
/* Rebrowse the FCB in order to free them now */ /* Rebrowse the FCB in order to free them now */
while (!IsListEmpty(&DeviceExt->FcbListHead)) while (!IsListEmpty(&DeviceExt->FcbListHead))