Author: oxygene
Date: 2008-10-05 20:00:55 +0200 (Sun, 05 Oct 2008)
New Revision: 79
Modified:
trunk/filo/fs/fat.h
trunk/filo/fs/fsys_fat.c
Log:
FAT32 didn't work because of a minor bug in the data structure (it was
misaligned, to the type string field couldn't be found)
Also document a sanity check that confused me all the time.
Modified: trunk/filo/fs/fat.h
===================================================================
--- trunk/filo/fs/fat.h 2008-10-05 18:00:00 UTC (rev 78)
+++ trunk/filo/fs/fat.h 2008-10-05 18:00:55 UTC (rev 79)
@@ -49,7 +49,7 @@
__u32 root_cluster; /* first cluster in root directory */
__u16 info_sector; /* filesystem info sector */
__u16 backup_boot; /* backup boot sector */
- __u16 reserved2[12]; /* Reserved */
+ __u8 reserved2[12]; /* Reserved */
/* from here on it looks like the fat12/fat16 code */
__u8 drive_number; /* Physical Drive Number */
__u8 reserved; /* "current head" */
Modified: trunk/filo/fs/fsys_fat.c
===================================================================
--- trunk/filo/fs/fsys_fat.c 2008-10-05 18:00:00 UTC (rev 78)
+++ trunk/filo/fs/fsys_fat.c 2008-10-05 18:00:55 UTC (rev 79)
@@ -110,6 +110,8 @@
if (!bpb.fat_length)
{
/* This is a FAT32 */
+
+ /* FAT32 should have 0 in this field, as its root directory can grow
dynamically now */
if (FAT_CVT_U16(bpb.dir_entries))
return 0;
--
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