diff options
author | Kent Overstreet <koverstreet@google.com> | 2012-08-24 07:56:11 -0400 |
---|---|---|
committer | Kent Overstreet <koverstreet@google.com> | 2013-03-23 17:15:25 -0400 |
commit | 57fb233f078beb5d0437a4ae575fbd4d9eb9c738 (patch) | |
tree | 9026554c544acb501bd1528fe91f358a2a1c1d7f /include | |
parent | a937536b868b8369b98967929045f1df54234323 (diff) |
block: Reorder struct bio_set
This is prep work for the next patch, which embeds a struct bio_list in
struct bio_set.
Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/bio.h | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 820e7aaad4fd..93d3d17a300d 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h | |||
@@ -298,39 +298,6 @@ static inline int bio_associate_current(struct bio *bio) { return -ENOENT; } | |||
298 | static inline void bio_disassociate_task(struct bio *bio) { } | 298 | static inline void bio_disassociate_task(struct bio *bio) { } |
299 | #endif /* CONFIG_BLK_CGROUP */ | 299 | #endif /* CONFIG_BLK_CGROUP */ |
300 | 300 | ||
301 | /* | ||
302 | * bio_set is used to allow other portions of the IO system to | ||
303 | * allocate their own private memory pools for bio and iovec structures. | ||
304 | * These memory pools in turn all allocate from the bio_slab | ||
305 | * and the bvec_slabs[]. | ||
306 | */ | ||
307 | #define BIO_POOL_SIZE 2 | ||
308 | #define BIOVEC_NR_POOLS 6 | ||
309 | #define BIOVEC_MAX_IDX (BIOVEC_NR_POOLS - 1) | ||
310 | |||
311 | struct bio_set { | ||
312 | struct kmem_cache *bio_slab; | ||
313 | unsigned int front_pad; | ||
314 | |||
315 | mempool_t *bio_pool; | ||
316 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
317 | mempool_t *bio_integrity_pool; | ||
318 | #endif | ||
319 | mempool_t *bvec_pool; | ||
320 | }; | ||
321 | |||
322 | struct biovec_slab { | ||
323 | int nr_vecs; | ||
324 | char *name; | ||
325 | struct kmem_cache *slab; | ||
326 | }; | ||
327 | |||
328 | /* | ||
329 | * a small number of entries is fine, not going to be performance critical. | ||
330 | * basically we just need to survive | ||
331 | */ | ||
332 | #define BIO_SPLIT_ENTRIES 2 | ||
333 | |||
334 | #ifdef CONFIG_HIGHMEM | 301 | #ifdef CONFIG_HIGHMEM |
335 | /* | 302 | /* |
336 | * remember never ever reenable interrupts between a bvec_kmap_irq and | 303 | * remember never ever reenable interrupts between a bvec_kmap_irq and |
@@ -527,6 +494,39 @@ static inline struct bio *bio_list_get(struct bio_list *bl) | |||
527 | return bio; | 494 | return bio; |
528 | } | 495 | } |
529 | 496 | ||
497 | /* | ||
498 | * bio_set is used to allow other portions of the IO system to | ||
499 | * allocate their own private memory pools for bio and iovec structures. | ||
500 | * These memory pools in turn all allocate from the bio_slab | ||
501 | * and the bvec_slabs[]. | ||
502 | */ | ||
503 | #define BIO_POOL_SIZE 2 | ||
504 | #define BIOVEC_NR_POOLS 6 | ||
505 | #define BIOVEC_MAX_IDX (BIOVEC_NR_POOLS - 1) | ||
506 | |||
507 | struct bio_set { | ||
508 | struct kmem_cache *bio_slab; | ||
509 | unsigned int front_pad; | ||
510 | |||
511 | mempool_t *bio_pool; | ||
512 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
513 | mempool_t *bio_integrity_pool; | ||
514 | #endif | ||
515 | mempool_t *bvec_pool; | ||
516 | }; | ||
517 | |||
518 | struct biovec_slab { | ||
519 | int nr_vecs; | ||
520 | char *name; | ||
521 | struct kmem_cache *slab; | ||
522 | }; | ||
523 | |||
524 | /* | ||
525 | * a small number of entries is fine, not going to be performance critical. | ||
526 | * basically we just need to survive | ||
527 | */ | ||
528 | #define BIO_SPLIT_ENTRIES 2 | ||
529 | |||
530 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | 530 | #if defined(CONFIG_BLK_DEV_INTEGRITY) |
531 | 531 | ||
532 | #define bip_vec_idx(bip, idx) (&(bip->bip_vec[(idx)])) | 532 | #define bip_vec_idx(bip, idx) (&(bip->bip_vec[(idx)])) |