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Use correct inode address.
[bertos.git]
/
fs
/
battfs.h
diff --git
a/fs/battfs.h
b/fs/battfs.h
index 1048b66c99f15a86b652b90bab4663407a540e90..455b21ce0c20c1a6e4bd521a5281936e6a714048 100644
(file)
--- a/
fs/battfs.h
+++ b/
fs/battfs.h
@@
-43,6
+43,7
@@
#include <cfg/compiler.h> // uintXX_t; STATIC_ASSERT
#include <cpu/types.h> // CPU_BITS_PER_CHAR
#include <cfg/compiler.h> // uintXX_t; STATIC_ASSERT
#include <cpu/types.h> // CPU_BITS_PER_CHAR
+#include <algo/rotating_hash.h>
typedef uint16_t fill_t;
typedef fill_t pgaddr_t;
typedef uint16_t fill_t;
typedef fill_t pgaddr_t;
@@
-50,7
+51,7
@@
typedef uint16_t pgoff_t;
typedef pgoff_t mark_t;
typedef uint8_t inode_t;
typedef uint8_t seq_t;
typedef pgoff_t mark_t;
typedef uint8_t inode_t;
typedef uint8_t seq_t;
-typedef
uint16
_t fcs_t;
+typedef
rotating
_t fcs_t;
/**
* BattFS page header.
/**
* BattFS page header.
@@
-65,9
+66,21
@@
typedef struct BattFsPageHeader
pgoff_t pgoff; ///< Page offset inside file.
fill_t fill; ///< Filled bytes in page.
uint16_t rfu; ///< Reserved for future use, 0xFFFF for now.
pgoff_t pgoff; ///< Page offset inside file.
fill_t fill; ///< Filled bytes in page.
uint16_t rfu; ///< Reserved for future use, 0xFFFF for now.
- fcs_t fcs; ///< FCS (Frame Check Sequence) of the page header.
+
+ /**
+ * FCS (Frame Check Sequence) of the page header.
+ * \note This field must be the last one!
+ * This is needed because if the page is only partially
+ * written, we can use this to detect it.
+ */
+ fcs_t fcs;
} BattFsPageHeader;
} BattFsPageHeader;
+/**
+ * Max number of files.
+ */
+#define BATTFS_MAX_FILES (1 << (CPU_BITS_PER_CHAR * sizeof(inode_t)))
+
/* Ensure structure has no padding added */
STATIC_ASSERT(sizeof(BattFsPageHeader) == 12);
/* Ensure structure has no padding added */
STATIC_ASSERT(sizeof(BattFsPageHeader) == 12);
@@
-148,11
+161,6
@@
typedef struct BattFsSuper
/* TODO add other fields. */
} BattFsSuper;
/* TODO add other fields. */
} BattFsSuper;
-/**
- * Initialize and mount disk described by
- * \a d.
- * \return false on errors, true otherwise.
- */
bool battfs_init(struct BattFsSuper *d);
#endif /* FS_BATTFS_H */
bool battfs_init(struct BattFsSuper *d);
#endif /* FS_BATTFS_H */