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block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup

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commit c8997736650060594845e42c5d01d3118aec8d25 upstream.

A bfq_put_queue() may be invoked in __bfq_bic_change_cgroup(). The
goal of this put is to release a process reference to a bfq_queue. But
process-reference releases may trigger also some extra operation, and,
to this goal, are handled through bfq_release_process_ref(). So, turn
the invocation of bfq_put_queue() into an invocation of
bfq_release_process_ref().

Tested-by: [email protected]
Signed-off-by: Paolo Valente <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Paolo Valente 2020-03-21 10:45:19 +01:00 • committed by Greg Kroah-Hartman
commit ad749ca022
3 changed files with 2 additions and 6 deletions
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2
block/bfq-iosched.c
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@ -2717,8 +2717,6 @@ static void bfq_bfqq_save_state(struct bfq_queue *bfqq)
}
}
static
void bfq_release_process_ref(struct bfq_data *bfqd, struct bfq_queue *bfqq)
{
/*