+ return 0;
+}
+
+__u8 do_fat_read_at_block[MAX_CLUSTSIZE]
+ __aligned(ARCH_DMA_MINALIGN);
+
+int do_fat_read_at(const char *filename, loff_t pos, void *buffer,
+ loff_t maxsize, int dols, int dogetsize, loff_t *size)
+{
+ char fnamecopy[2048];
+ fsdata datablock;
+ fsdata *mydata = &datablock;
+ dir_entry *dentptr = NULL;
+ __u16 prevcksum = 0xffff;
+ char *subname = "";
+ __u32 cursect;
+ int idx, isdir = 0;
+ int files = 0, dirs = 0;
+ int ret = -1;
+ int firsttime;
+ __u32 root_cluster = 0;
+ __u32 read_blk;
+ int rootdir_size = 0;
+ int buffer_blk_cnt;
+ int do_read;
+ __u8 *dir_ptr;
+
+ if (get_fs_info(mydata))
+ return -1;
+
+ cursect = mydata->rootdir_sect;
+