X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=fs%2Fbattfs.h;h=14728a8d2b199f82c36054fa9237bbdb1bc5904a;hb=75aa6c9fd80bb9d4bb3dc3ffb001a266915fe14f;hp=640465d8c73b88aabd060681b0eda70b616de518;hpb=878fe450e1f02eb514116615871b0eb339b2f8d5;p=bertos.git

diff --git a/fs/battfs.h b/fs/battfs.h
index 640465d8..14728a8d 100644
--- a/fs/battfs.h
+++ b/fs/battfs.h
@@ -90,11 +90,6 @@ STATIC_ASSERT(sizeof(BattFsPageHeader) == 12);
  */
 #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)
-
 /* 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.