[pschweitzer] 65353: [FASTFAT] Properly flush volume on dismount

Author: pschweitzer
Date: Mon Nov 10 10:18:29 2014
New Revision: 65353

URL: http://svn.reactos.org/svn/reactos?rev=65353&view=rev
Log:
[FASTFAT]
Properly flush volume on dismount

Modified:
    trunk/reactos/drivers/filesystems/fastfat/fsctl.c

Modified: trunk/reactos/drivers/filesystems/fastfat/fsctl.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfat...
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat/fsctl.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat/fsctl.c	[iso-8859-1] Mon Nov 10 10:18:29 2014
@@ -913,10 +913,12 @@
     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 @@

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))