static inline int yaffs_hash_fn(int n)
{
- n = abs(n);
+ if(n < 0)
+ n = -n;
return n % YAFFS_NOBJECT_BUCKETS;
}
#endif
}
+loff_t yaffs_max_file_size(struct yaffs_dev *dev)
+{
+ return ((loff_t) YAFFS_MAX_CHUNK_ID) * dev->data_bytes_per_chunk;
+}
+
/*-------------------- TNODES -------------------
* List of spare tnodes
case YAFFS_OBJECT_TYPE_FILE:
the_obj->variant.file_variant.file_size = 0;
the_obj->variant.file_variant.scanned_size = 0;
- the_obj->variant.file_variant.shrink_size = ~0; /* max */
+ the_obj->variant.file_variant.shrink_size =
+ yaffs_max_file_size(dev);
the_obj->variant.file_variant.top_level = 0;
the_obj->variant.file_variant.top = tn;
break;
/* ---------------------- File resizing stuff ------------------ */
-static void yaffs_prune_chunks(struct yaffs_obj *in, int new_size)
+static void yaffs_prune_chunks(struct yaffs_obj *in, loff_t new_size)
{
struct yaffs_dev *dev = in->my_dev;
- int old_size = in->variant.file_variant.file_size;
+ loff_t old_size = in->variant.file_variant.file_size;
int i;
int chunk_id;
- int last_del = 1 + (old_size - 1) / dev->data_bytes_per_chunk;
- int start_del = 1 + (new_size + dev->data_bytes_per_chunk - 1) /
- dev->data_bytes_per_chunk;
+ u32 dummy;
+ int last_del;
+ int start_del;
+
+ if(old_size > 0)
+ yaffs_addr_to_chunk(dev, old_size - 1, &last_del, &dummy);
+ else
+ last_del = 0;
+ yaffs_addr_to_chunk(dev, new_size + dev->data_bytes_per_chunk - 1,
+ &start_del, &dummy);
+ last_del++;
+ start_del++;
/* Delete backwards so that we don't end up with holes if
* power is lost part-way through the operation.