Commit 474a2800 authored Jun 21, 2019 by Christoph Hellwig Committed by Jens Axboe Jun 21, 2019

cgroup: export css_next_descendant_pre for bfq



The bfq schedule now uses css_next_descendant_pre directly after
the stats functionality depending on it has been from the core
blk-cgroup code to bfq.  Export the symbol so that bfq can still
be build modular.

Fixes: d6258980 ("bfq-iosched: move bfq_stat_recursive_sum into the only caller")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 8d54094e

kernel/cgroup/cgroup.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -4221,6 +4221,7 @@ css_next_descendant_pre(struct cgroup_subsys_state *pos,

		return NULL;
		}
		EXPORT_SYMBOL_GPL(css_next_descendant_pre);

		/**
		* css_rightmost_descendant - return the rightmost descendant of a css

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