diff options
| author | Omar Sandoval <osandov@fb.com> | 2018-04-26 00:21:59 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-06-21 04:02:49 +0900 |
| commit | 06beec8716407961d6c4a74f1feaecd72013fa8b (patch) | |
| tree | 08e4f90b95908795dd4824def2503d8d225a88bf /block/genhd.c | |
| parent | 11ac08bd73ebfda3bb0c7b748d0306bdb658e6fe (diff) | |
blk-mq: fix sysfs inflight counter
[ Upstream commit bf0ddaba65ddbb2715af97041da8e7a45b2d8628 ]
When the blk-mq inflight implementation was added, /proc/diskstats was
converted to use it, but /sys/block/$dev/inflight was not. Fix it by
adding another helper to count in-flight requests by data direction.
Fixes: f299b7c7a9de ("blk-mq: provide internal in-flight variant")
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block/genhd.c')
| -rw-r--r-- | block/genhd.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/genhd.c b/block/genhd.c index dd305c65ffb0..449ef56bba70 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -82,6 +82,18 @@ void part_in_flight(struct request_queue *q, struct hd_struct *part, } } +void part_in_flight_rw(struct request_queue *q, struct hd_struct *part, + unsigned int inflight[2]) +{ + if (q->mq_ops) { + blk_mq_in_flight_rw(q, part, inflight); + return; + } + + inflight[0] = atomic_read(&part->in_flight[0]); + inflight[1] = atomic_read(&part->in_flight[1]); +} + struct hd_struct *__disk_get_part(struct gendisk *disk, int partno) { struct disk_part_tbl *ptbl = rcu_dereference(disk->part_tbl); |