# \[PATCH V2 6/6\] bcache: don't pass BIOSET\_NEED\_BVECS for the 'bio\_set' embedded in 'cache\_set'

- From: Ming Lei \<hidden\>
- Date: 2021-01-05 12:44:43 
- List: linux-bcache
- Page: https://ratatoskr.run/linux-bcache/2021/01/6400046
- Thread: https://ratatoskr.run/linux-block/2021/01/6400041/t.md

```text
This bioset is just for allocating bio only from bio_next_split, and it
needn't bvecs, so remove the flag.

Cc: <redacted>
Cc: Coly Li <redacted>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <redacted>
---
 drivers/md/bcache/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index a4752ac410dc..4102e47f43e1 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1897,7 +1897,7 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
 		goto err;
 
 	if (bioset_init(&c->bio_split, 4, offsetof(struct bbio, bio),
-			BIOSET_NEED_BVECS|BIOSET_NEED_RESCUER))
+			BIOSET_NEED_RESCUER))
 		goto err;
 
 	c->uuids = alloc_meta_bucket_pages(GFP_KERNEL, sb);
-- 
2.28.0

```