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Commit 474a2800 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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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: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 8d54094e
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