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authorChristoph Hellwig <hch@lst.de>2022-09-21 20:04:56 +0200
committerJens Axboe <axboe@kernel.dk>2022-09-26 19:17:27 -0600
commite13793bae65919cd3e6a7827f8d30f4dbb8584ee (patch)
tree2c5232b391d5629ee812460f1204a768d9a5ecb2
parent3657647e33dff916a2d2d9df926d9bca3907d34f (diff)
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blk-throttle: pass a gendisk to blk_throtl_init and blk_throtl_exit
Pass the gendisk to blk_throtl_init and blk_throtl_exit as part of moving the blk-cgroup infrastructure to be gendisk based. 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/20220921180501.1539876-13-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-cgroup.c6
-rw-r--r--block/blk-throttle.c7
-rw-r--r--block/blk-throttle.h8
3 files changed, 12 insertions, 9 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 82a117ff54de..3dfd78f1312d 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1261,7 +1261,7 @@ int blkcg_init_disk(struct gendisk *disk)
if (ret)
goto err_destroy_all;
- ret = blk_throtl_init(q);
+ ret = blk_throtl_init(disk);
if (ret)
goto err_ioprio_exit;
@@ -1272,7 +1272,7 @@ int blkcg_init_disk(struct gendisk *disk)
return 0;
err_throtl_exit:
- blk_throtl_exit(q);
+ blk_throtl_exit(disk);
err_ioprio_exit:
blk_ioprio_exit(disk);
err_destroy_all:
@@ -1288,7 +1288,7 @@ err_unlock:
void blkcg_exit_disk(struct gendisk *disk)
{
blkg_destroy_all(disk->queue);
- blk_throtl_exit(disk->queue);
+ blk_throtl_exit(disk);
}
static void blkcg_bind(struct cgroup_subsys_state *root_css)
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 78316955e30f..4879aeca7509 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2351,8 +2351,9 @@ void blk_throtl_bio_endio(struct bio *bio)
}
#endif
-int blk_throtl_init(struct request_queue *q)
+int blk_throtl_init(struct gendisk *disk)
{
+ struct request_queue *q = disk->queue;
struct throtl_data *td;
int ret;
@@ -2394,8 +2395,10 @@ int blk_throtl_init(struct request_queue *q)
return ret;
}
-void blk_throtl_exit(struct request_queue *q)
+void blk_throtl_exit(struct gendisk *disk)
{
+ struct request_queue *q = disk->queue;
+
BUG_ON(!q->td);
del_timer_sync(&q->td->service_queue.pending_timer);
throtl_shutdown_wq(q);
diff --git a/block/blk-throttle.h b/block/blk-throttle.h
index 69f00012d616..1c9def91088f 100644
--- a/block/blk-throttle.h
+++ b/block/blk-throttle.h
@@ -168,14 +168,14 @@ static inline struct throtl_grp *blkg_to_tg(struct blkcg_gq *blkg)
* Internal throttling interface
*/
#ifndef CONFIG_BLK_DEV_THROTTLING
-static inline int blk_throtl_init(struct request_queue *q) { return 0; }
-static inline void blk_throtl_exit(struct request_queue *q) { }
+static inline int blk_throtl_init(struct gendisk *disk) { return 0; }
+static inline void blk_throtl_exit(struct gendisk *disk) { }
static inline void blk_throtl_register_queue(struct request_queue *q) { }
static inline bool blk_throtl_bio(struct bio *bio) { return false; }
static inline void blk_throtl_cancel_bios(struct request_queue *q) { }
#else /* CONFIG_BLK_DEV_THROTTLING */
-int blk_throtl_init(struct request_queue *q);
-void blk_throtl_exit(struct request_queue *q);
+int blk_throtl_init(struct gendisk *disk);
+void blk_throtl_exit(struct gendisk *disk);
void blk_throtl_register_queue(struct request_queue *q);
bool __blk_throtl_bio(struct bio *bio);
void blk_throtl_cancel_bios(struct request_queue *q);