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| author |   Paolo Valente <paolo.valente@linaro.org> | 2020-02-03 11:41:00 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-02-03 06:58:15 -0700 |
| commit | c92bddee77353a773f0df76115c1a01877ce1eae (patch) | |
| tree | 0841c7ba65ae4ea17552a9450d92d2145621afe4 /block | |
| parent | block, bfq: get a ref to a group when adding it to a service tree (diff) | |
| download | linux-dev-c92bddee77353a773f0df76115c1a01877ce1eae.tar.xz linux-dev-c92bddee77353a773f0df76115c1a01877ce1eae.zip | |
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 <oleksandr@natalenko.name>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/bfq-iosched.c | 2 |
1 files changed, 2 insertions, 0 deletions
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. */ |