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Diffstat (limited to 'drivers/md/dm-raid.c')
-rw-r--r--drivers/md/dm-raid.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 79ea85d18e24..f4b904e24328 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3813,8 +3813,10 @@ static void raid_io_hints(struct dm_target *ti, struct queue_limits *limits)
struct raid_set *rs = ti->private;
unsigned int chunk_size_bytes = to_bytes(rs->md.chunk_sectors);
- limits->io_min = chunk_size_bytes;
- limits->io_opt = chunk_size_bytes * mddev_data_stripes(rs);
+ if (chunk_size_bytes) {
+ limits->io_min = chunk_size_bytes;
+ limits->io_opt = chunk_size_bytes * mddev_data_stripes(rs);
+ }
}
static void raid_presuspend(struct dm_target *ti)