X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.h;h=d3200706675073c56f600e1a3234bba58ed58824;hp=93809665c6097c0524eba88ea428018b9984f6a3;hb=662466a25f6c97bba330ad5d9e9ba215ca8874ee;hpb=b4d93e23d5d94ff4de6c5d1f420153661fc6a0b3

diff --git a/yaffs_guts.h b/yaffs_guts.h
index 9380966..d320070 100644
--- 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
@@ -72,7 +75,9 @@
 #define YAFFS_OBJECT_SPACE		0x40000
 #define YAFFS_MAX_OBJECT_ID		(YAFFS_OBJECT_SPACE - 1)
 
-#define YAFFS_CHECKPOINT_VERSION	5
+/* Binary data version stamps */
+#define YAFFS_SUMMARY_VERSION		1
+#define YAFFS_CHECKPOINT_VERSION	7
 
 #ifdef CONFIG_YAFFS_UNICODE
 #define YAFFS_MAX_NAME_LENGTH		127
@@ -531,7 +536,7 @@ struct yaffs_param {
 				 */
 	int use_nand_ecc;	/* Flag to decide whether or not to use
 				 * NAND driver ECC on data (yaffs1) */
-        int tags_9bytes;	/* Use 9 byte tags */
+	int tags_9bytes;	/* Use 9 byte tags */
 	int no_tags_ecc;	/* Flag to decide whether or not to do ECC
 				 * on packed tags (yaffs2) */
 
@@ -600,6 +605,11 @@ 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 {
@@ -949,11 +959,15 @@ u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn,
 
 int yaffs_is_non_empty_dir(struct yaffs_obj *obj);
 
-/*\
+void yaffs_addr_to_chunk(struct yaffs_dev *dev, loff_t addr,
+				int *chunk_out, u32 *offset_out);
+/*
  * Marshalling functions to get loff_t file sizes into aand out of
  * object headers.
  */
 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