diff options
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 4d94eb8bcbc..26435890dc8 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -269,6 +269,14 @@ extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set extern void bvec_free_bs(struct bio_set *, struct bio_vec *, unsigned int); extern unsigned int bvec_nr_vecs(unsigned short idx); +#ifdef CONFIG_BLK_CGROUP +int bio_associate_current(struct bio *bio); +void bio_disassociate_task(struct bio *bio); +#else /* CONFIG_BLK_CGROUP */ +static inline int bio_associate_current(struct bio *bio) { return -ENOENT; } +static inline void bio_disassociate_task(struct bio *bio) { } +#endif /* CONFIG_BLK_CGROUP */ + /* * bio_set is used to allow other portions of the IO system to * allocate their own private memory pools for bio and iovec structures. |