1 dm-crypt: remove io_pool
3 Remove io_pool and _crypt_io_pool because they are unused.
5 Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
8 drivers/md/dm-crypt.c | 21 +--------------------
9 1 file changed, 1 insertion(+), 20 deletions(-)
11 Index: linux-3.14/drivers/md/dm-crypt.c
12 ===================================================================
13 --- linux-3.14.orig/drivers/md/dm-crypt.c 2014-04-04 21:04:40.000000000 +0200
14 +++ linux-3.14/drivers/md/dm-crypt.c 2014-04-04 21:05:40.000000000 +0200
15 @@ -120,7 +120,6 @@ struct crypt_config {
16 * pool for per bio private data, crypto requests and
17 * encryption requeusts/buffer pages
23 @@ -173,8 +172,6 @@ struct crypt_config {
27 -static struct kmem_cache *_crypt_io_pool;
29 static void clone_init(struct dm_crypt_io *, struct bio *);
30 static void kcryptd_queue_crypt(struct dm_crypt_io *io);
31 static u8 *iv_of_dmreq(struct crypt_config *cc, struct dm_crypt_request *dmreq);
32 @@ -1061,8 +1058,6 @@ static void crypt_dec_pending(struct dm_
35 crypt_free_req(cc, io->ctx.req, base_bio);
36 - if (io != dm_per_bio_data(base_bio, cc->per_bio_data_size))
37 - mempool_free(io, cc->io_pool);
39 bio_endio(base_bio, error);
41 @@ -1450,8 +1445,6 @@ static void crypt_dtr(struct dm_target *
42 mempool_destroy(cc->page_pool);
44 mempool_destroy(cc->req_pool);
46 - mempool_destroy(cc->io_pool);
48 if (cc->iv_gen_ops && cc->iv_gen_ops->dtr)
49 cc->iv_gen_ops->dtr(cc);
50 @@ -1664,19 +1657,13 @@ static int crypt_ctr(struct dm_target *t
55 - cc->io_pool = mempool_create_slab_pool(MIN_IOS, _crypt_io_pool);
57 - ti->error = "Cannot allocate crypt io mempool";
61 cc->dmreq_start = sizeof(struct ablkcipher_request);
62 cc->dmreq_start += crypto_ablkcipher_reqsize(any_tfm(cc));
63 cc->dmreq_start = ALIGN(cc->dmreq_start, crypto_tfm_ctx_alignment());
64 cc->dmreq_start += crypto_ablkcipher_alignmask(any_tfm(cc)) &
65 ~(crypto_tfm_ctx_alignment() - 1);
68 cc->req_pool = mempool_create_kmalloc_pool(MIN_IOS, cc->dmreq_start +
69 sizeof(struct dm_crypt_request) + cc->iv_size);
71 @@ -1938,14 +1925,9 @@ static int __init dm_crypt_init(void)
75 - _crypt_io_pool = KMEM_CACHE(dm_crypt_io, 0);
76 - if (!_crypt_io_pool)
79 r = dm_register_target(&crypt_target);
81 DMERR("register failed %d", r);
82 - kmem_cache_destroy(_crypt_io_pool);
86 @@ -1954,7 +1936,6 @@ static int __init dm_crypt_init(void)
87 static void __exit dm_crypt_exit(void)
89 dm_unregister_target(&crypt_target);
90 - kmem_cache_destroy(_crypt_io_pool);
93 module_init(dm_crypt_init);