X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=fs%2Fbattfs.h;h=14728a8d2b199f82c36054fa9237bbdb1bc5904a;hb=9b45c6171e04b1d312e1c221e0a575b9180157b0;hp=ff49eaa89014a554c1978e05eda70bea95c0497c;hpb=b9e3b4170fb099968d5bbf73384921b4962b8944;p=bertos.git

diff --git a/fs/battfs.h b/fs/battfs.h
index ff49eaa8..14728a8d 100644
--- a/fs/battfs.h
+++ b/fs/battfs.h
@@ -75,6 +75,9 @@ typedef struct BattFsPageHeader
 	 */
 	fcs_t fcs;
 } BattFsPageHeader;
+/* Ensure structure has no padding added */
+STATIC_ASSERT(sizeof(BattFsPageHeader) == 12);
+
 
 /**
  * Mark for valid pages.
@@ -87,14 +90,6 @@ typedef struct BattFsPageHeader
  */
 #define BATTFS_MAX_FILES (1 << (CPU_BITS_PER_CHAR * sizeof(inode_t)))
 
-/**
- * Special inode used to identify free pages.
- */
-#define BATTFS_FREE_INODE (BATTFS_MAX_FILES - 1)
-
-/* Ensure structure has no padding added */
-STATIC_ASSERT(sizeof(BattFsPageHeader) == 12);
-
 /* Fwd decl */
 struct BattFsSuper;
 
@@ -103,6 +98,11 @@ struct BattFsSuper;
  */
 typedef uint16_t pgcnt_t;
 
+/**
+ * Sentinel used to keep trace of unset pages in disk->pag_array.
+ */
+#define PAGE_UNSET_SENTINEL ((1 << (CPU_BITS_PER_CHAR * sizeof(pgcnt_t))) - 1)
+
 /**
  * Type interface for disk init function.
  * \return true if all is ok, false otherwise.