md/raid1/ avoid bio search in end_sync_read()
We know which device we just read from so we don't need to
search the bios to find out. Just use ->read_disk.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a0c02fb..77fab07 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1358,8 +1358,7 @@
{
r1bio_t *r1_bio = bio->bi_private;
- /* this will call update_head_pos() */
- find_bio_disk(r1_bio, bio);
+ update_head_pos(r1_bio->read_disk, r1_bio);
/*
* we have read a block, now it needs to be re-written,