diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-07-19 11:28:42 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-07-20 17:37:02 -0600 |
| commit | ed996a52c868b62c4e5bf529cb4ccb44bcfa2f8e (patch) | |
| tree | 83c3fbdb4cd912fb925b5aee2ca45b8054a4aae3 /block/bio-integrity.c | |
| parent | 70246286e94c335b5bea0cbc68a17a96dd620281 (diff) | |
| download | lwn-ed996a52c868b62c4e5bf529cb4ccb44bcfa2f8e.tar.gz lwn-ed996a52c868b62c4e5bf529cb4ccb44bcfa2f8e.zip | |
block: simplify and cleanup bvec pool handling
Instead of a flag and an index just make sure an index of 0 means
no need to free the bvec array. Also move the constants related
to the bvec pools together and use a consistent naming scheme for
them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/bio-integrity.c')
| -rw-r--r-- | block/bio-integrity.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 711e4d8de6fa..11633fca27d3 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -53,7 +53,6 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, { struct bio_integrity_payload *bip; struct bio_set *bs = bio->bi_pool; - unsigned long idx = BIO_POOL_NONE; unsigned inline_vecs; if (!bs || !bs->bio_integrity_pool) { @@ -71,17 +70,19 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, memset(bip, 0, sizeof(*bip)); if (nr_vecs > inline_vecs) { + unsigned long idx = 0; + bip->bip_vec = bvec_alloc(gfp_mask, nr_vecs, &idx, bs->bvec_integrity_pool); if (!bip->bip_vec) goto err; bip->bip_max_vcnt = bvec_nr_vecs(idx); + bip->bip_slab = idx; } else { bip->bip_vec = bip->bip_inline_vecs; bip->bip_max_vcnt = inline_vecs; } - bip->bip_slab = idx; bip->bip_bio = bio; bio->bi_integrity = bip; bio->bi_rw |= REQ_INTEGRITY; @@ -110,9 +111,7 @@ void bio_integrity_free(struct bio *bio) bip->bip_vec->bv_offset); if (bs && bs->bio_integrity_pool) { - if (bip->bip_slab != BIO_POOL_NONE) - bvec_free(bs->bvec_integrity_pool, bip->bip_vec, - bip->bip_slab); + bvec_free(bs->bvec_integrity_pool, bip->bip_vec, bip->bip_slab); mempool_free(bip, bs->bio_integrity_pool); } else { |