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| author | Christoph Hellwig <hch@lst.de> | 2022-09-21 20:04:53 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-26 19:17:27 -0600 |
| commit | 9df3e65139b923dfe98f76b7057882c7afb2d3e4 (patch) | |
| tree | 79e3e4c0dbb2b6c4c60192547ed56865cf9ecc1d /block/blk-iocost.c | |
| parent | 16fac1b5912b778a30d8863dbc928bef25c8d307 (diff) | |
| download | linux-stable-9df3e65139b923dfe98f76b7057882c7afb2d3e4.tar.gz linux-stable-9df3e65139b923dfe98f76b7057882c7afb2d3e4.tar.bz2 linux-stable-9df3e65139b923dfe98f76b7057882c7afb2d3e4.zip | |
blk-iocost: simplify ioc_name
Just directly dereference the disk name instead of going through multiple
hoops to find the same value.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921180501.1539876-10-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-iocost.c')
| -rw-r--r-- | block/blk-iocost.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/block/blk-iocost.c b/block/blk-iocost.c index b473efd89b86..d0d9b2d17508 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -664,17 +664,13 @@ static struct ioc *q_to_ioc(struct request_queue *q) return rqos_to_ioc(rq_qos_id(q, RQ_QOS_COST)); } -static const char *q_name(struct request_queue *q) -{ - if (blk_queue_registered(q)) - return kobject_name(q->kobj.parent); - else - return "<unknown>"; -} - static const char __maybe_unused *ioc_name(struct ioc *ioc) { - return q_name(ioc->rqos.q); + struct gendisk *disk = ioc->rqos.q->disk; + + if (!disk) + return "<unknown>"; + return disk->disk_name; } static struct ioc_gq *pd_to_iocg(struct blkg_policy_data *pd) |