[PATCH RFC 1/2] blk-mq: call exit_hctx on hw queue teardown
Matias Bjørling
m at bjorling.me
Tue Oct 8 05:34:21 EDT 2013
The driver initialize itself using init_hctx and reverts using exit_hctx if
unsucessful. exit_hctx is missing on normal hw queue teardown.
Signed-off-by: Matias Bjørling <m at bjorling.me>
---
block/blk-mq.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 923e9e1..5b054b7 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1390,6 +1390,8 @@ void blk_mq_free_queue(struct request_queue *q)
kfree(hctx->ctxs);
blk_mq_free_rq_map(hctx);
blk_mq_unregister_cpu_notifier(&hctx->cpu_notifier);
+ if (q->mq_ops->exit_hctx)
+ q->mq_ops->exit_hctx(hctx, i);
q->mq_ops->free_hctx(hctx, i);
}
--
1.8.1.2
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