[cgutman] 52275: [VFATLIB] - Fix default cluster size for floppy disks

Author: cgutman
Date: Thu Jun 16 13:07:08 2011
New Revision: 52275

URL: http://svn.reactos.org/svn/reactos?rev=52275&view=rev
Log:
[VFATLIB]
- Fix default cluster size for floppy disks

Modified:
    trunk/reactos/lib/fslib/vfatlib/fat12.c

Modified: trunk/reactos/lib/fslib/vfatlib/fat12.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/fat12.c?r...
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/fat12.c [iso-8859-1] (original)
+++ trunk/reactos/lib/fslib/vfatlib/fat12.c [iso-8859-1] Thu Jun 16 13:07:08 2011
@@ -289,8 +289,16 @@
     /* Calculate cluster size */
     if (ClusterSize == 0)
     {
-        /* 4KB Cluster (Harddisk only) */
-        ClusterSize = 4096;
+        if (DiskGeometry.MediaType == FixedMedia)
+        {
+            /* 4KB Cluster (Harddisk only) */
+            ClusterSize = 4096;
+        }
+        else
+        {
+            /* 512 byte cluster (floppy) */
+            ClusterSize = 512;
+        }
     }

SectorCount = PartitionInfo->PartitionLength.QuadPart >>