Re: linux-next: build failure after merge of the block tree

Jens Axboe
2022-03-09T02:33:14Z

On 3/8/22 7:16 PM, Stephen Rothwell wrote:
> Hi all,
>
> After merging the block tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> In file included from block/blk-mq-debugfs-zoned.c:7:
> block/blk-mq-debugfs.h:24:42: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
> 24 | struct blk_mq_hw_ctx *hctx);
> | ^~~~~~~~~~~~~
> block/blk-mq-debugfs.h:25:44: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
> 25 | void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
> | ^~~~~~~~~~~~~
> block/blk-mq-debugfs.h:32:47: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
> 32 | struct blk_mq_hw_ctx *hctx);
> | ^~~~~~~~~~~~~
> block/blk-mq-debugfs.h:33:50: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
> 33 | void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
> | ^~~~~~~~~~~~~
> cc1: all warnings being treated as errors

It just needs a forward declaration. I'll fix it up.

--
Jens Axboe