simoop: reuse oddsized files instead of changing them on every run

simoop -o will randomize file sizes, which makes the initial filling
take much longer because it adjusts the size every time.  Change it to
just reuse existing files

Signed-off-by: Chris Mason <clm@fb.com>
1 file changed
tree: 40cacc46d3642bbe7e114efff75d3a945ac698e8
  1. Makefile
  2. simoop.c
  3. xxhash.c
  4. xxhash.h