seeking, truncating etc.
A good output looks like:
+
+Starting
+Created simulated flash device 0x2d24348
+yaffs: 0 blocks to be sorted...
+filesystem_init("/yaffs_mount_pt") returned 0
+mkdir returned 0
fsx_init done
truncating to largest ever: 0x1cbf7
truncating to largest ever: 0x27453
truncating to largest ever: 0x3fe0b
truncating to largest ever: 0x3fe29
truncating to largest ever: 0x3ff4b
-truncating to largest ever: 0x3ff8c
-truncating to largest ever: 0x3ffa2
-truncating to largest ever: 0x3ffe5
-truncating to largest ever: 0x3fff8
-skipping zero size write
-skipping zero size read
-truncating to largest ever: 0x3fffd
-truncating to largest ever: 0x3ffff
-skipping zero size read
-skipping zero size read
-skipping zero size write
-skipping zero size write
-skipping zero size read
-skipping zero size read
-skipping zero size read
-skipping zero size read
-skipping zero size read
-skipping zero size read
+All operations completed A-OK!
+fsx wanted to exit with 0
+
+Flashsim stats
+reads.....44373
+writes....46000
+erases....644
+
+
+
+To run for longer or shorter periods modify this line:
+ return fsx_main(FSX_TEST_DIR, 10000);
+
+
+This program has been run overnight (using a very large value) and no
+problems were observed.
\ No newline at end of file