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authorChristoph Hellwig <hch@lst.de>2023-02-03 16:03:50 +0100
committerJens Axboe <axboe@kernel.dk>2023-02-03 08:20:05 -0700
commit958f29654747a54f2272eb478e493eb97f492e06 (patch)
tree7b5dc64eef0b401315314fbfbd7d01d1b091ed89
parent04aad37be1a88de6a1919996a615437ac74de479 (diff)
blk-wbt: pass a gendisk to wbt_init
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@lst.de> Reviewed-by: Andreas Herrmann <aherrmann@suse.de> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20230203150400.3199230-10-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-sysfs.c2
-rw-r--r--block/blk-wbt.c5
-rw-r--r--block/blk-wbt.h4
3 files changed, 6 insertions, 5 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 2074103865f4..c2adf640e5c8 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -500,7 +500,7 @@ 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 8f9302134339..542271fa99e8 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -671,7 +671,7 @@ 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);
@@ -835,8 +835,9 @@ 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 7ab1cba55c25..b673da41a867 100644
--- a/block/blk-wbt.h
+++ b/block/blk-wbt.h
@@ -90,7 +90,7 @@ 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);
@@ -104,7 +104,7 @@ 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;
}