[ros-diffs] [pschweitzer] 35255: Implemented FsRtlAddLargeMcbEntry, FsRtlGetNextLargeMcbEntry, FsRtlLookupLargeMcbEntry, FsRtlLookupLastLargeMcbEntryAndIndex, FsRtlLookupLastLargeMcbEntry, FsRtlRemoveLargeMcbEntry, FsRtlResetBaseMcb, FsRtlResetLargeMcb, FsRtlSplitLargeMcb, FsRtlTruncateLargeMcb

[pschweitzer at svn.reactos.org]

Author: pschweitzer
Date: Sun Aug 10 03:30:24 2008
New Revision: 35255

URL: http://svn.reactos.org/svn/reactos?rev=35255&view=rev
Log:
Implemented FsRtlAddLargeMcbEntry, FsRtlGetNextLargeMcbEntry, FsRtlLookupLargeMcbEntry, FsRtlLookupLastLargeMcbEntryAndIndex, FsRtlLookupLastLargeMcbEntry, FsRtlRemoveLargeMcbEntry, FsRtlResetBaseMcb, FsRtlResetLargeMcb, FsRtlSplitLargeMcb, FsRtlTruncateLargeMcb

Modified:
    branches/pierre-fsd/ntoskrnl/fsrtl/largemcb.c

Modified: branches/pierre-fsd/ntoskrnl/fsrtl/largemcb.c
URL: http://svn.reactos.org/svn/reactos/branches/pierre-fsd/ntoskrnl/fsrtl/largemcb.c?rev=35255&r1=35254&r2=35255&view=diff
==============================================================================
--- branches/pierre-fsd/ntoskrnl/fsrtl/largemcb.c [iso-8859-1] (original)
+++ branches/pierre-fsd/ntoskrnl/fsrtl/largemcb.c [iso-8859-1] Sun Aug 10 03:30:24 2008
@@ -30,7 +30,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 BOOLEAN
 NTAPI
@@ -39,8 +39,16 @@
                       IN LONGLONG Lbn,
                       IN LONGLONG SectorCount)
 {
-    KEBUGCHECK(0);
-    return FALSE;
+    BOOLEAN Result;
+
+    ExAcquireFastMutex(Mcb->FastMutex);
+    Result = FsRtlAddBaseMcbEntry(&(Mcb->BaseMcb),
+                                  Vbn,
+                                  Lbn,
+                                  SectorCount);
+    ExReleaseFastMutex(Mcb->FastMutex);
+
+    return Result;
 }
 
 /*
@@ -62,7 +70,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 BOOLEAN
 NTAPI
@@ -72,11 +80,17 @@
                           OUT PLONGLONG Lbn,
                           OUT PLONGLONG SectorCount)
 {
-    KEBUGCHECK(0);
-    *Vbn = 0;
-    *Lbn = 0;
-    *SectorCount= 0;
-    return FALSE;
+    BOOLEAN Result;
+
+    ExAcquireFastMutex(Mcb->FastMutex);
+    Result = FsRtlGetNextBaseMcbEntry(&(Mcb->BaseMcb),
+                                      RunIndex,
+                                      Vbn,
+                                      Lbn,
+                                      SectorCount);
+    ExReleaseFastMutex(Mcb->FastMutex);
+
+    return Result;
 }
 
 /*
@@ -121,7 +135,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 BOOLEAN
 NTAPI
@@ -133,10 +147,19 @@
                          OUT PLONGLONG SectorCountFromStartingLbn OPTIONAL,
                          OUT PULONG Index OPTIONAL)
 {
-    KEBUGCHECK(0);
-    *Lbn = 0;
-    *SectorCountFromLbn = 0;
-    return FALSE;
+    BOOLEAN Result;
+
+    ExAcquireFastMutex(Mcb->FastMutex);
+    Result = FsRtlLookupBaseMcbEntry(&(Mcb->BaseMcb),
+                                     Vbn,
+                                     Lbn,
+                                     SectorCountFromLbn,
+                                     StartingLbn,
+                                     SectorCountFromStartingLbn,
+                                     Index);
+    ExReleaseFastMutex(Mcb->FastMutex);
+
+    return Result;
 }
 
 /*
@@ -157,7 +180,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 BOOLEAN
 NTAPI
@@ -166,11 +189,16 @@
                                      OUT PLONGLONG LargeLbn,
                                      OUT PULONG Index)
 {
-    KEBUGCHECK(0);
-    *LargeVbn = 0;
-    *LargeLbn = 0;
-    *Index = 0;
-    return FALSE;
+    BOOLEAN Result;
+
+    ExAcquireFastMutex(OpaqueMcb->FastMutex);
+    Result = FsRtlLookupLastBaseMcbEntryAndIndex(&(OpaqueMcb->BaseMcb),
+                                                 LargeVbn,
+                                                 LargeLbn,
+                                                 Index);
+    ExReleaseFastMutex(OpaqueMcb->FastMutex);
+
+    return Result;
 }
 
 /*
@@ -187,7 +215,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 BOOLEAN
 NTAPI
@@ -195,8 +223,15 @@
                              OUT PLONGLONG Vbn,
                              OUT PLONGLONG Lbn)
 {
-    KEBUGCHECK(0);
-    return FALSE;
+    BOOLEAN Result;
+
+    ExAcquireFastMutex(Mcb->FastMutex);
+    Result = FsRtlLookupLastBaseMcbEntry(&(Mcb->BaseMcb),
+                                         Vbn,
+                                         Lbn);
+    ExReleaseFastMutex(Mcb->FastMutex);
+
+    return Result;
 }
 
 /*
@@ -242,7 +277,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 VOID
 NTAPI
@@ -250,28 +285,41 @@
                          IN LONGLONG Vbn,
                          IN LONGLONG SectorCount)
 {
-    KEBUGCHECK(0);
-}
-
-/*
- * @unimplemented
+    ExAcquireFastMutex(Mcb->FastMutex);
+    FsRtlRemoveBaseMcbEntry(&(Mcb->BaseMcb),
+                            Vbn,
+                            SectorCount);
+    ExReleaseFastMutex(Mcb->FastMutex);
+}
+
+/*
+ * @implemented
  */
 VOID
 NTAPI
 FsRtlResetBaseMcb(IN PBASE_MCB Mcb)
 {
-    KEBUGCHECK(0);
-}
-
-/*
- * @unimplemented
+    Mcb->PairCount = 0;
+}
+
+/*
+ * @implemented
  */
 VOID
 NTAPI
 FsRtlResetLargeMcb(IN PLARGE_MCB Mcb,
                    IN BOOLEAN SelfSynchronized)
 {
-    KEBUGCHECK(0);
+    if (!SelfSynchronized)
+    {
+        ExAcquireFastMutex(Mcb->FastMutex);
+        Mcb->BaseMcb.PairCount = 0;
+        ExReleaseFastMutex(Mcb->FastMutex);
+    }
+    else
+    {
+        Mcb->BaseMcb.PairCount = 0;
+    }
 }
 
 /*
@@ -288,7 +336,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 BOOLEAN
 NTAPI
@@ -296,8 +344,15 @@
                    IN LONGLONG Vbn,
                    IN LONGLONG Amount)
 {
-    KEBUGCHECK(0);
-    return FALSE;
+    BOOLEAN Result;
+
+    ExAcquireFastMutex(Mcb->FastMutex);
+    Result = FsRtlSplitBaseMcb(&(Mcb->BaseMcb),
+                               Vbn,
+                               Amount);
+    ExReleaseFastMutex(Mcb->FastMutex);
+
+    return Result;
 }
 
 /*
@@ -312,14 +367,17 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 VOID
 NTAPI
 FsRtlTruncateLargeMcb(IN PLARGE_MCB Mcb,
                       IN LONGLONG Vbn)
 {
-    KEBUGCHECK(0);
+    ExAcquireFastMutex(Mcb->FastMutex);
+    FsRtlTruncateBaseMcb(&(Mcb->BaseMcb),
+                         Vbn);
+    ExReleaseFastMutex(Mcb->FastMutex);
 }
 
 /*