From 04aad37be1a88de6a1919996a615437ac74de479 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 3 Feb 2023 16:03:49 +0100 Subject: [PATCH] blk-wbt: pass a gendisk to wbt_{enable,disable}_default Pass a gendisk to wbt_enable_default and wbt_disable_default to prepare for phasing out usage of the request_queue in the blk-cgroup code. Signed-off-by: Christoph Hellwig Reviewed-by: Andreas Herrmann Acked-by: Tejun Heo Link: https://lore.kernel.org/r/20230203150400.3199230-9-hch@lst.de Signed-off-by: Jens Axboe --- block/bfq-iosched.c | 4 ++-- block/blk-iocost.c | 4 ++-- block/blk-sysfs.c | 2 +- block/blk-wbt.c | 7 ++++--- block/blk-wbt.h | 8 ++++---- 5 files changed, 13 insertions(+), 12 deletions(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 4705c4b..5afa661 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -7156,7 +7156,7 @@ static void bfq_exit_queue(struct elevator_queue *e) blk_stat_disable_accounting(bfqd->queue); clear_bit(ELEVATOR_FLAG_DISABLE_WBT, &e->flags); - wbt_enable_default(bfqd->queue); + wbt_enable_default(bfqd->queue->disk); kfree(bfqd); } @@ -7344,7 +7344,7 @@ static int bfq_init_queue(struct request_queue *q, struct elevator_type *e) blk_queue_flag_set(QUEUE_FLAG_SQ_SCHED, q); set_bit(ELEVATOR_FLAG_DISABLE_WBT, &eq->flags); - wbt_disable_default(q); + wbt_disable_default(q->disk); blk_stat_enable_accounting(q); return 0; diff --git a/block/blk-iocost.c b/block/blk-iocost.c index a2b4e71..dbb93f4 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -3285,11 +3285,11 @@ static ssize_t ioc_qos_write(struct kernfs_open_file *of, char *input, blk_stat_enable_accounting(disk->queue); blk_queue_flag_set(QUEUE_FLAG_RQ_ALLOC_TIME, disk->queue); ioc->enabled = true; - wbt_disable_default(disk->queue); + wbt_disable_default(disk); } else { blk_queue_flag_clear(QUEUE_FLAG_RQ_ALLOC_TIME, disk->queue); ioc->enabled = false; - wbt_enable_default(disk->queue); + wbt_enable_default(disk); } if (user) { diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 5486b6c..2074103 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -826,7 +826,7 @@ int blk_register_queue(struct gendisk *disk) goto out_elv_unregister; blk_queue_flag_set(QUEUE_FLAG_REGISTERED, q); - wbt_enable_default(q); + wbt_enable_default(disk); blk_throtl_register(disk); /* Now everything is ready and send out KOBJ_ADD uevent */ diff --git a/block/blk-wbt.c b/block/blk-wbt.c index 68a774d..8f93021 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -650,8 +650,9 @@ void wbt_set_write_cache(struct request_queue *q, bool write_cache_on) /* * Enable wbt if defaults are configured that way */ -void wbt_enable_default(struct request_queue *q) +void wbt_enable_default(struct gendisk *disk) { + struct request_queue *q = disk->queue; struct rq_qos *rqos; bool disable_flag = q->elevator && test_bit(ELEVATOR_FLAG_DISABLE_WBT, &q->elevator->flags); @@ -718,9 +719,9 @@ static void wbt_exit(struct rq_qos *rqos) /* * Disable wbt, if enabled by default. */ -void wbt_disable_default(struct request_queue *q) +void wbt_disable_default(struct gendisk *disk) { - struct rq_qos *rqos = wbt_rq_qos(q); + struct rq_qos *rqos = wbt_rq_qos(disk->queue); struct rq_wb *rwb; if (!rqos) return; diff --git a/block/blk-wbt.h b/block/blk-wbt.h index e3ea6e7..7ab1cba 100644 --- a/block/blk-wbt.h +++ b/block/blk-wbt.h @@ -91,8 +91,8 @@ static inline unsigned int wbt_inflight(struct rq_wb *rwb) #ifdef CONFIG_BLK_WBT int wbt_init(struct request_queue *); -void wbt_disable_default(struct request_queue *); -void wbt_enable_default(struct request_queue *); +void wbt_disable_default(struct gendisk *disk); +void wbt_enable_default(struct gendisk *disk); u64 wbt_get_min_lat(struct request_queue *q); void wbt_set_min_lat(struct request_queue *q, u64 val); @@ -108,10 +108,10 @@ static inline int wbt_init(struct request_queue *q) { return -EINVAL; } -static inline void wbt_disable_default(struct request_queue *q) +static inline void wbt_disable_default(struct gendisk *disk) { } -static inline void wbt_enable_default(struct request_queue *q) +static inline void wbt_enable_default(struct gendisk *disk) { } static inline void wbt_set_write_cache(struct request_queue *q, bool wc) -- 2.7.4