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| author | Sage Weil <sage@inktank.com> | 2012-06-15 12:32:04 -0700 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2012-06-15 12:32:04 -0700 |
| commit | 9a64e8e0ace51b309fdcff4b4754b3649250382a (patch) | |
| tree | 1f0d75c196c5ab0408c55ed6cf3a152f1f921e15 /include/linux/bio.h | |
| parent | f3dea7edd3d449fe7a6d402c1ce56a294b985261 (diff) | |
| parent | f8f5701bdaf9134b1f90e5044a82c66324d2073f (diff) | |
Merge tag 'v3.5-rc1'
Linux 3.5-rc1
Conflicts:
net/ceph/messenger.c
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 129a9c09795..26435890dc8 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -23,6 +23,7 @@ #include <linux/highmem.h> #include <linux/mempool.h> #include <linux/ioprio.h> +#include <linux/bug.h> #ifdef CONFIG_BLOCK @@ -101,10 +102,10 @@ static inline int bio_has_allocated_vec(struct bio *bio) * I/O completely on that queue (see ide-dma for example) */ #define __bio_kmap_atomic(bio, idx, kmtype) \ - (kmap_atomic(bio_iovec_idx((bio), (idx))->bv_page, kmtype) + \ + (kmap_atomic(bio_iovec_idx((bio), (idx))->bv_page) + \ bio_iovec_idx((bio), (idx))->bv_offset) -#define __bio_kunmap_atomic(addr, kmtype) kunmap_atomic(addr, kmtype) +#define __bio_kunmap_atomic(addr, kmtype) kunmap_atomic(addr) /* * merge helpers etc @@ -268,6 +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. @@ -317,7 +326,7 @@ static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags) * balancing is a lot nicer this way */ local_irq_save(*flags); - addr = (unsigned long) kmap_atomic(bvec->bv_page, KM_BIO_SRC_IRQ); + addr = (unsigned long) kmap_atomic(bvec->bv_page); BUG_ON(addr & ~PAGE_MASK); @@ -328,7 +337,7 @@ static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags) { unsigned long ptr = (unsigned long) buffer & PAGE_MASK; - kunmap_atomic((void *) ptr, KM_BIO_SRC_IRQ); + kunmap_atomic((void *) ptr); local_irq_restore(*flags); } |