From c92bddee77353a773f0df76115c1a01877ce1eae Mon Sep 17 00:00:00 2001 From: Paolo Valente Date: Mon, 3 Feb 2020 11:41:00 +0100 Subject: block, bfq: clarify the goal of bfq_split_bfqq() The exact, general goal of the function bfq_split_bfqq() is not that apparent. Add a comment to make it clear. Tested-by: Oleksandr Natalenko Signed-off-by: Paolo Valente Signed-off-by: Jens Axboe --- block/bfq-iosched.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'block/bfq-iosched.c') diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index fff76c920968..8c436abfaf14 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -5979,6 +5979,8 @@ static void bfq_finish_requeue_request(struct request *rq) } /* + * Removes the association between the current task and bfqq, assuming + * that bic points to the bfq iocontext of the task. * Returns NULL if a new bfqq should be allocated, or the old bfqq if this * was the last process referring to that bfqq. */ -- cgit v1.2.3-59-g8ed1b