Message ID | 20220921180501.1539876-13-hch@lst.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [01/17] blk-cgroup: fix error unwinding in blkcg_init_queue | expand |
On Wed, Sep 21, 2022 at 08:04:56PM +0200, Christoph Hellwig wrote: > 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> > --- > block/blk-cgroup.c | 6 +++--- > block/blk-throttle.c | 7 +++++-- > block/blk-throttle.h | 8 ++++---- > 3 files changed, 12 insertions(+), 9 deletions(-) Reviewed-by: Andreas Herrmann <aherrmann@suse.de> > diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c > index 82a117ff54de5..3dfd78f1312db 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 @@ int blkcg_init_disk(struct gendisk *disk) > 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 55f2d985cfbbd..9ca8ae0ae6683 100644 > --- a/block/blk-throttle.c > +++ b/block/blk-throttle.c > @@ -2358,8 +2358,9 @@ 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; > > @@ -2401,8 +2402,10 @@ 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 66b4292b1b92a..f75852a4e5337 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); > -- > 2.30.2 >
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 82a117ff54de5..3dfd78f1312db 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 @@ int blkcg_init_disk(struct gendisk *disk) 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 55f2d985cfbbd..9ca8ae0ae6683 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -2358,8 +2358,9 @@ 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; @@ -2401,8 +2402,10 @@ 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 66b4292b1b92a..f75852a4e5337 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);
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> --- block/blk-cgroup.c | 6 +++--- block/blk-throttle.c | 7 +++++-- block/blk-throttle.h | 8 ++++---- 3 files changed, 12 insertions(+), 9 deletions(-)