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authorPavel Begunkov <asml.silence@gmail.com>2019-09-30 20:55:34 +0200
committerJens Axboe <axboe@kernel.dk>2019-10-07 16:31:59 +0200
commita2e80f6f044526e00a788aa8e1ed72b1911f4534 (patch)
treedf015a743e136cec6d161e1c727bdee4606e0e4b /block/blk-mq.c
parentblk-mq: Reuse callback in blk_mq_in_flight*() (diff)
downloadlinux-a2e80f6f044526e00a788aa8e1ed72b1911f4534.tar.xz
linux-a2e80f6f044526e00a788aa8e1ed72b1911f4534.zip
blk-mq: Embed counters into struct mq_inflight
Store inflight counters immediately in struct mq_inflight. That's type-safer and removes extra indirection. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 19560a16a774..8538dc415499 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -93,7 +93,7 @@ static void blk_mq_hctx_clear_pending(struct blk_mq_hw_ctx *hctx,
struct mq_inflight {
struct hd_struct *part;
- unsigned int *inflight;
+ unsigned int inflight[2];
};
static bool blk_mq_check_inflight(struct blk_mq_hw_ctx *hctx,
@@ -110,22 +110,21 @@ static bool blk_mq_check_inflight(struct blk_mq_hw_ctx *hctx,
unsigned int blk_mq_in_flight(struct request_queue *q, struct hd_struct *part)
{
- unsigned inflight[2];
- struct mq_inflight mi = { .part = part, .inflight = inflight, };
+ struct mq_inflight mi = { .part = part };
- inflight[0] = inflight[1] = 0;
blk_mq_queue_tag_busy_iter(q, blk_mq_check_inflight, &mi);
- return inflight[0] + inflight[1];
+ return mi.inflight[0] + mi.inflight[1];
}
void blk_mq_in_flight_rw(struct request_queue *q, struct hd_struct *part,
unsigned int inflight[2])
{
- struct mq_inflight mi = { .part = part, .inflight = inflight, };
+ struct mq_inflight mi = { .part = part };
- inflight[0] = inflight[1] = 0;
blk_mq_queue_tag_busy_iter(q, blk_mq_check_inflight, &mi);
+ inflight[0] = mi.inflight[0];
+ inflight[1] = mi.inflight[1];
}
void blk_freeze_queue_start(struct request_queue *q)