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authorJens Axboe <axboe@fb.com>2015-01-02 15:05:12 -0700
committerJens Axboe <axboe@fb.com>2015-01-02 15:05:12 -0700
commitc761d96b079e99d106fa4064e730ef7d0f312f9d (patch)
tree73f1b9e9618527b4d807b4d1ddff175072d6ae81
parent5d7bf4d8f664468223846abcfc683f4694014074 (diff)
downloadop-kernel-dev-c761d96b079e99d106fa4064e730ef7d0f312f9d.zip
op-kernel-dev-c761d96b079e99d106fa4064e730ef7d0f312f9d.tar.gz
blk-mq: export blk_mq_freeze_queue()
Commit b4c6a028774b exported the start and unfreeze, but we need the regular blk_mq_freeze_queue() for the loop conversion. Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/blk-mq.c1
-rw-r--r--include/linux/blk-mq.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 1a41d7a..a7d4a98 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -136,6 +136,7 @@ void blk_mq_freeze_queue(struct request_queue *q)
blk_mq_freeze_queue_start(q);
blk_mq_freeze_queue_wait(q);
}
+EXPORT_SYMBOL_GPL(blk_mq_freeze_queue);
void blk_mq_unfreeze_queue(struct request_queue *q)
{
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 3b43f50..5b6500c 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -212,6 +212,7 @@ void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
void *priv);
+void blk_mq_freeze_queue(struct request_queue *q);
void blk_mq_unfreeze_queue(struct request_queue *q);
void blk_mq_freeze_queue_start(struct request_queue *q);
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