Add large file support changes to yaffs_vfs_single.c

[yaffs2.git] / yaffs_guts.h

diff --git a/yaffs_guts.h b/yaffs_guts.h
index a063776913780d65dfa9ff20e45df468e9c0f726..b3bc574a51b29fe2b99159898e9ea27157a765bd 100644 (file)
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -49,7 +49,10 @@
 #define YAFFS_TNODES_INTERNAL_BITS     (YAFFS_TNODES_LEVEL0_BITS - 1)
 #define YAFFS_TNODES_INTERNAL_MASK     0x7
 #define YAFFS_TNODES_MAX_LEVEL         8
-
+#define YAFFS_TNODES_MAX_BITS          (YAFFS_TNODES_LEVEL0_BITS + \
+                                       YAFFS_TNODES_INTERNAL_BITS * \
+                                       YAFFS_TNODES_MAX_LEVEL)
+#define YAFFS_MAX_CHUNK_ID             ((1 << YAFFS_TNODES_MAX_BITS) - 1)
 
 /* Constants for YAFFS1 mode */
 #define YAFFS_BYTES_PER_SPARE          16
@@ -61,7 +64,7 @@
 #define YAFFS_MIN_YAFFS2_CHUNK_SIZE    1024
 #define YAFFS_MIN_YAFFS2_SPARE_SIZE    32
 
-#define YAFFS_MAX_CHUNK_ID             0x000fffff
+
 
 #define YAFFS_ALLOCATION_NOBJECTS      100
 #define YAFFS_ALLOCATION_NTNODES       100
@@ -600,6 +603,11 @@ struct yaffs_param {
        int always_check_erased;        /* Force chunk erased check always on */
 
        int disable_summary;
+
+       int max_objects;        /*
+                                * Set to limit the number of objects created.
+                                * 0 = no limit.
+                               */
 };
 
 struct yaffs_dev {
@@ -957,5 +965,7 @@ void yaffs_addr_to_chunk(struct yaffs_dev *dev, loff_t addr,
  */
 void yaffs_oh_size_load(struct yaffs_obj_hdr *oh, loff_t fsize);
 loff_t yaffs_oh_to_size(struct yaffs_obj_hdr *oh);
+loff_t yaffs_max_file_size(struct yaffs_dev *dev);
+
 
 #endif