Fix end-of-job slowdown for random IO with a random map

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index d2cca1182b2b40d271caa2f88a766836448be138..08f17331d081ef6e086c34f9615fb6d3dfe8d225 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -531,7 +531,7 @@ static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
        assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
 }
 
-#define BLOCKS_PER_MAP         (8 * sizeof(int))
+#define BLOCKS_PER_MAP         (8 * sizeof(unsigned long))
 #define TO_MAP_BLOCK(f, b)     (b)
 #define RAND_MAP_IDX(f, b)     (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
 #define RAND_MAP_BIT(f, b)     (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))