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: d6258980da
("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>
alistair/sunxi64-5.4-dsi
parent
8d54094ef4
commit
474a280036
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@ -4221,6 +4221,7 @@ css_next_descendant_pre(struct cgroup_subsys_state *pos,
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return NULL;
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}
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EXPORT_SYMBOL_GPL(css_next_descendant_pre);
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/**
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* css_rightmost_descendant - return the rightmost descendant of a css
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