For a zone size that is not a power of 2,
f->zbd_info->zone_size_log2 is set to -1. So use bit shift in
zbd_zone_idx() only if zone_size_log2 is not negative.
Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx>
Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>
---
zbd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/zbd.c b/zbd.c
index 93f14410..eb474f6e 100644
--- a/zbd.c
+++ b/zbd.c
@@ -31,7 +31,7 @@ static uint32_t zbd_zone_idx(const struct fio_file *f, uint64_t offset)
{
uint32_t zone_idx;
- if (f->zbd_info->zone_size_log2)
+ if (f->zbd_info->zone_size_log2 > 0)
zone_idx = offset >> f->zbd_info->zone_size_log2;
else
zone_idx = (offset >> 9) / f->zbd_info->zone_size;
--
2.17.1
