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bfq: Fix bfq linkage error 

Since commit 795fe54c2a ("bfq: Add per-device weight"), bfq uses
blkg_conf_prep() and blkg_conf_finish(), which are not exported. So, it
causes linkage error if bfq compiled as a module.

Fixes: 795fe54c2a ("bfq: Add per-device weight")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2019-09-14 20:31:50 +03:00 committed by Jens Axboe
parent 99e5381d54
commit 89f3b6d62f
1 changed files with 2 additions and 0 deletions
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2
block/blk-cgroup.c
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@ -900,6 +900,7 @@ fail:
} }
return ret; return ret;
} }
EXPORT_SYMBOL_GPL(blkg_conf_prep);
/** /**
* blkg_conf_finish - finish up per-blkg config update * blkg_conf_finish - finish up per-blkg config update
@ -915,6 +916,7 @@ void blkg_conf_finish(struct blkg_conf_ctx *ctx)
rcu_read_unlock(); rcu_read_unlock();
put_disk_and_module(ctx->disk); put_disk_and_module(ctx->disk);
} }
EXPORT_SYMBOL_GPL(blkg_conf_finish);
static int blkcg_print_stat(struct seq_file *sf, void *v) static int blkcg_print_stat(struct seq_file *sf, void *v)
{ {