diff options
author | Martin K. Petersen <martin.petersen@oracle.com> | 2011-03-08 02:28:01 -0500 |
---|---|---|
committer | Jens Axboe <jaxboe@fusionio.com> | 2011-03-08 02:28:01 -0500 |
commit | df677140281beb608f6748c341af7612f7bfe7a0 (patch) | |
tree | db977b703e36487ce956cc120bb021565810734f | |
parent | de701c74a34005e637e1ca2634fbf28fd1debba2 (diff) |
block: biovec_slab vs. CONFIG_BLK_DEV_INTEGRITY
The block integrity subsystem no longer uses the bio_vec slabs so this
code can safely be compiled in.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
-rw-r--r-- | fs/bio.c | 4 | ||||
-rw-r--r-- | include/linux/bio.h | 1 |
2 files changed, 1 insertions, 4 deletions
@@ -43,7 +43,7 @@ static mempool_t *bio_split_pool __read_mostly; | |||
43 | * unsigned short | 43 | * unsigned short |
44 | */ | 44 | */ |
45 | #define BV(x) { .nr_vecs = x, .name = "biovec-"__stringify(x) } | 45 | #define BV(x) { .nr_vecs = x, .name = "biovec-"__stringify(x) } |
46 | struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly = { | 46 | static struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly = { |
47 | BV(1), BV(4), BV(16), BV(64), BV(128), BV(BIO_MAX_PAGES), | 47 | BV(1), BV(4), BV(16), BV(64), BV(128), BV(BIO_MAX_PAGES), |
48 | }; | 48 | }; |
49 | #undef BV | 49 | #undef BV |
@@ -1656,12 +1656,10 @@ static void __init biovec_init_slabs(void) | |||
1656 | int size; | 1656 | int size; |
1657 | struct biovec_slab *bvs = bvec_slabs + i; | 1657 | struct biovec_slab *bvs = bvec_slabs + i; |
1658 | 1658 | ||
1659 | #ifndef CONFIG_BLK_DEV_INTEGRITY | ||
1660 | if (bvs->nr_vecs <= BIO_INLINE_VECS) { | 1659 | if (bvs->nr_vecs <= BIO_INLINE_VECS) { |
1661 | bvs->slab = NULL; | 1660 | bvs->slab = NULL; |
1662 | continue; | 1661 | continue; |
1663 | } | 1662 | } |
1664 | #endif | ||
1665 | 1663 | ||
1666 | size = bvs->nr_vecs * sizeof(struct bio_vec); | 1664 | size = bvs->nr_vecs * sizeof(struct bio_vec); |
1667 | bvs->slab = kmem_cache_create(bvs->name, size, 0, | 1665 | bvs->slab = kmem_cache_create(bvs->name, size, 0, |
diff --git a/include/linux/bio.h b/include/linux/bio.h index 35dcdb3589bc..ce33e6868a2f 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h | |||
@@ -304,7 +304,6 @@ struct biovec_slab { | |||
304 | }; | 304 | }; |
305 | 305 | ||
306 | extern struct bio_set *fs_bio_set; | 306 | extern struct bio_set *fs_bio_set; |
307 | extern struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly; | ||
308 | 307 | ||
309 | /* | 308 | /* |
310 | * a small number of entries is fine, not going to be performance critical. | 309 | * a small number of entries is fine, not going to be performance critical. |