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-rw-r--r--block/kyber-iosched.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index 18efd6ef2a2b..c1b36ffd19ce 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -409,30 +409,42 @@ static void kyber_depth_updated(struct request_queue *q)
static int kyber_init_sched(struct request_queue *q, struct elevator_queue *eq)
{
- struct kyber_queue_data *kqd;
-
- kqd = kyber_queue_data_alloc(q);
- if (IS_ERR(kqd))
- return PTR_ERR(kqd);
-
blk_stat_enable_accounting(q);
blk_queue_flag_clear(QUEUE_FLAG_SQ_SCHED, q);
- eq->elevator_data = kqd;
q->elevator = eq;
kyber_depth_updated(q);
return 0;
}
+static void *kyber_alloc_sched_data(struct request_queue *q)
+{
+ struct kyber_queue_data *kqd;
+
+ kqd = kyber_queue_data_alloc(q);
+ if (IS_ERR(kqd))
+ return NULL;
+
+ return kqd;
+}
+
static void kyber_exit_sched(struct elevator_queue *e)
{
struct kyber_queue_data *kqd = e->elevator_data;
- int i;
timer_shutdown_sync(&kqd->timer);
blk_stat_disable_accounting(kqd->q);
+}
+
+static void kyber_free_sched_data(void *elv_data)
+{
+ struct kyber_queue_data *kqd = elv_data;
+ int i;
+
+ if (!kqd)
+ return;
for (i = 0; i < KYBER_NUM_DOMAINS; i++)
sbitmap_queue_free(&kqd->domain_tokens[i]);
@@ -1004,6 +1016,8 @@ static struct elevator_type kyber_sched = {
.exit_sched = kyber_exit_sched,
.init_hctx = kyber_init_hctx,
.exit_hctx = kyber_exit_hctx,
+ .alloc_sched_data = kyber_alloc_sched_data,
+ .free_sched_data = kyber_free_sched_data,
.limit_depth = kyber_limit_depth,
.bio_merge = kyber_bio_merge,
.prepare_request = kyber_prepare_request,