diff options
Diffstat (limited to 'block/blk-cgroup.h')
| -rw-r--r-- | block/blk-cgroup.h | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 9c5078755e5e..624c03c8fe64 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -72,9 +72,10 @@ struct blkcg_gq { struct blkg_iostat_set iostat; struct blkg_policy_data *pd[BLKCG_MAX_POLS]; - +#ifdef CONFIG_BLK_CGROUP_PUNT_BIO spinlock_t async_bio_lock; struct bio_list async_bios; +#endif union { struct work_struct async_bio_work; struct work_struct free_work; @@ -173,9 +174,7 @@ struct blkcg_policy { /* operations */ blkcg_pol_alloc_cpd_fn *cpd_alloc_fn; - blkcg_pol_init_cpd_fn *cpd_init_fn; blkcg_pol_free_cpd_fn *cpd_free_fn; - blkcg_pol_bind_cpd_fn *cpd_bind_fn; blkcg_pol_alloc_pd_fn *pd_alloc_fn; blkcg_pol_init_pd_fn *pd_init_fn; @@ -208,15 +207,17 @@ void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg, u64 __blkg_prfill_u64(struct seq_file *sf, struct blkg_policy_data *pd, u64 v); struct blkg_conf_ctx { + char *input; + char *body; struct block_device *bdev; struct blkcg_gq *blkg; - char *body; }; -struct block_device *blkcg_conf_open_bdev(char **inputp); +void blkg_conf_init(struct blkg_conf_ctx *ctx, char *input); +int blkg_conf_open_bdev(struct blkg_conf_ctx *ctx); int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, - char *input, struct blkg_conf_ctx *ctx); -void blkg_conf_finish(struct blkg_conf_ctx *ctx); + struct blkg_conf_ctx *ctx); +void blkg_conf_exit(struct blkg_conf_ctx *ctx); /** * bio_issue_as_root_blkg - see if this bio needs to be issued as root blkg @@ -375,16 +376,6 @@ static inline void blkg_put(struct blkcg_gq *blkg) if (((d_blkg) = blkg_lookup(css_to_blkcg(pos_css), \ (p_blkg)->q))) -bool __blkcg_punt_bio_submit(struct bio *bio); - -static inline bool blkcg_punt_bio_submit(struct bio *bio) -{ - if (bio->bi_opf & REQ_CGROUP_PUNT) - return __blkcg_punt_bio_submit(bio); - else - return false; -} - static inline void blkcg_bio_issue_init(struct bio *bio) { bio_issue_init(&bio->bi_issue, bio_sectors(bio)); @@ -506,8 +497,6 @@ static inline struct blkcg_gq *pd_to_blkg(struct blkg_policy_data *pd) { return static inline char *blkg_path(struct blkcg_gq *blkg) { return NULL; } static inline void blkg_get(struct blkcg_gq *blkg) { } static inline void blkg_put(struct blkcg_gq *blkg) { } - -static inline bool blkcg_punt_bio_submit(struct bio *bio) { return false; } static inline void blkcg_bio_issue_init(struct bio *bio) { } static inline void blk_cgroup_bio_start(struct bio *bio) { } static inline bool blk_cgroup_mergeable(struct request *rq, struct bio *bio) { return true; } |