If seed is not set, rand always uses 1 as the default seed.
Signed-off-by: Liu Xue <[email protected]>
Signed-off-by: Sheng Yong <[email protected]>
---
mkfs/f2fs_format.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index a130001..9d7e180 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -574,6 +574,7 @@ static int f2fs_write_check_point_pack(void)
}
/* 1. cp page 1 of checkpoint pack 1 */
+ srand(time(NULL));
cp->checkpoint_ver = cpu_to_le64(rand() | 0x1);
set_cp(cur_node_segno[0], c.cur_seg[CURSEG_HOT_NODE]);
set_cp(cur_node_segno[1], c.cur_seg[CURSEG_WARM_NODE]);
--
2.11.0
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