From: Christoph Hellwig <hch@xxxxxx> [ Upstream commit 958f29654747a54f2272eb478e493eb97f492e06 ] Pass a gendisk to wbt_init to prepare for phasing out usage of the request_queue in the blk-cgroup code. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Andreas Herrmann <aherrmann@xxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230203150400.3199230-10-hch@xxxxxx Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Stable-dep-of: f814bdda774c ("blk-wbt: Fix detection of dirty-throttled tasks") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- block/blk-sysfs.c | 2 +- block/blk-wbt.c | 5 +++-- block/blk-wbt.h | 4 ++-- 3 files changed, 6 insertions(+), 5 deletions(-) diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index c59c4d3ee7a27..31f53ef01982d 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -488,7 +488,7 @@ static ssize_t queue_wb_lat_store(struct request_queue *q, const char *page, rqos = wbt_rq_qos(q); if (!rqos) { - ret = wbt_init(q); + ret = wbt_init(q->disk); if (ret) return ret; } diff --git a/block/blk-wbt.c b/block/blk-wbt.c index 8d4f075f13e2f..95bec9244e9f3 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -658,7 +658,7 @@ void wbt_enable_default(struct gendisk *disk) return; if (queue_is_mq(q) && !disable_flag) - wbt_init(q); + wbt_init(disk); } EXPORT_SYMBOL_GPL(wbt_enable_default); @@ -822,8 +822,9 @@ static struct rq_qos_ops wbt_rqos_ops = { #endif }; -int wbt_init(struct request_queue *q) +int wbt_init(struct gendisk *disk) { + struct request_queue *q = disk->queue; struct rq_wb *rwb; int i; int ret; diff --git a/block/blk-wbt.h b/block/blk-wbt.h index 58c226fe33d48..8170439b89d6e 100644 --- a/block/blk-wbt.h +++ b/block/blk-wbt.h @@ -88,7 +88,7 @@ static inline unsigned int wbt_inflight(struct rq_wb *rwb) #ifdef CONFIG_BLK_WBT -int wbt_init(struct request_queue *); +int wbt_init(struct gendisk *disk); void wbt_disable_default(struct gendisk *disk); void wbt_enable_default(struct gendisk *disk); @@ -101,7 +101,7 @@ u64 wbt_default_latency_nsec(struct request_queue *); #else -static inline int wbt_init(struct request_queue *q) +static inline int wbt_init(struct gendisk *disk) { return -EINVAL; } -- 2.43.0
