bio_reset doesn't change bi_io_vec and bi_max_vecs, so we don't need to
set them every time. bi_private will be set before the bio is
dispatched.
Signed-off-by: Shaohua Li <shli@xxxxxx>
---
drivers/md/raid5.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 52cf205..9b1a41f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2005,7 +2005,12 @@ static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp,
struct r5dev *dev = &sh->dev[i];
bio_init(&dev->req);
+ dev->req.bi_io_vec = &dev->vec;
+ dev->req.bi_max_vecs = 1;
+
bio_init(&dev->rreq);
+ dev->rreq.bi_io_vec = &dev->rvec;
+ dev->rreq.bi_max_vecs = 1;
}
}
return sh;
@@ -2507,14 +2512,6 @@ static void raid5_build_block(struct stripe_head *sh, int i, int previous)
{
struct r5dev *dev = &sh->dev[i];
- dev->req.bi_io_vec = &dev->vec;
- dev->req.bi_max_vecs = 1;
- dev->req.bi_private = sh;
-
- dev->rreq.bi_io_vec = &dev->rvec;
- dev->rreq.bi_max_vecs = 1;
- dev->rreq.bi_private = sh;
-
dev->flags = 0;
dev->sector = raid5_compute_blocknr(sh, i, previous);
}
--
2.8.0.rc2
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