blkcg: make blkg_conf_prep() take @pol and return with queue lock held
Add @pol to blkg_conf_prep() and let it return with queue lock held
(to be released by blkg_conf_finish()). Note that @pol isn't used
yet.
This is to prepare for per-queue policy activation and doesn't cause
any visible difference.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 0dc4645a..6f1bfdf 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -993,7 +993,7 @@
struct throtl_grp *tg;
int ret;
- ret = blkg_conf_prep(blkcg, buf, &ctx);
+ ret = blkg_conf_prep(blkcg, &blkio_policy_throtl, buf, &ctx);
if (ret)
return ret;