[PATCH] Fix random_map
If alignment was unlucky, we would underestimate the num_maps entry
by 1.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/init.c b/init.c
index b004d89..3532c49 100644
--- a/init.c
+++ b/init.c
@@ -695,7 +695,7 @@
if (!td->norandommap) {
for_each_file(td, f, i) {
blocks = (f->file_size + td->min_bs - 1) / td->min_bs;
- num_maps = blocks / BLOCKS_PER_MAP;
+ num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP;
f->file_map = malloc(num_maps * sizeof(long));
f->num_maps = num_maps;
memset(f->file_map, 0, num_maps * sizeof(long));