pre_read fixes
1) Add a specific runstate for pre-read, so we can see that this
is what the job is currently doing.
2) open/close files for pre-read
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index 1390f38..e22f745 100644
--- a/HOWTO
+++ b/HOWTO
@@ -931,6 +931,7 @@
P Thread setup, but not started.
C Thread created.
I Thread initialized, waiting.
+ p Thread running pre-reading file(s).
R Running, doing sequential reads.
r Running, doing random reads.
W Running, doing sequential writes.