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dm: remove unused _rq_bio_info_cache 

Remove _rq_bio_info_cache, which is no longer used.
No functional changes.

Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Jun'ichi Nomura 2013-03-01 22:45:48 +00:00 committed by Alasdair G Kergon
parent 87eb5b21d9
commit 23e5083b4d
1 changed files with 10 additions and 21 deletions
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31
drivers/md/dm.c
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@ -205,12 +205,6 @@ struct dm_md_mempools {
static struct kmem_cache *_io_cache;
static struct kmem_cache *_rq_tio_cache;
/*
* Unused now, and needs to be deleted. But since io_pool is overloaded and it's
* still used for _io_cache, I'm leaving this for a later cleanup
*/
static struct kmem_cache *_rq_bio_info_cache;
static int __init local_init(void)
{
int r = -ENOMEM;
@ -224,13 +218,9 @@ static int __init local_init(void)
if (!_rq_tio_cache)
goto out_free_io_cache;
_rq_bio_info_cache = KMEM_CACHE(dm_rq_clone_bio_info, 0);
if (!_rq_bio_info_cache)
goto out_free_rq_tio_cache;
r = dm_uevent_init();
if (r)
goto out_free_rq_bio_info_cache;
goto out_free_rq_tio_cache;
_major = major;
r = register_blkdev(_major, _name);
@ -244,8 +234,6 @@ static int __init local_init(void)
out_uevent_exit:
dm_uevent_exit();
out_free_rq_bio_info_cache:
kmem_cache_destroy(_rq_bio_info_cache);
out_free_rq_tio_cache:
kmem_cache_destroy(_rq_tio_cache);
out_free_io_cache:
@ -256,7 +244,6 @@ out_free_io_cache:
static void local_exit(void)
{
kmem_cache_destroy(_rq_bio_info_cache);
kmem_cache_destroy(_rq_tio_cache);
kmem_cache_destroy(_io_cache);
unregister_blkdev(_major, _name);
@ -1986,7 +1973,7 @@ static void __bind_mempools(struct mapped_device *md, struct dm_table *t)
{
struct dm_md_mempools *p = dm_table_get_md_mempools(t);
if (md->io_pool && md->bs) {
if (md->bs) {
/* The md already has necessary mempools. */
if (dm_table_get_type(t) == DM_TYPE_BIO_BASED) {
/*
@ -2780,11 +2767,12 @@ struct dm_md_mempools *dm_alloc_md_mempools(unsigned type, unsigned integrity, u
per_bio_data_size = roundup(per_bio_data_size, __alignof__(struct dm_target_io));
pools->io_pool = (type == DM_TYPE_BIO_BASED) ?
mempool_create_slab_pool(MIN_IOS, _io_cache) :
mempool_create_slab_pool(MIN_IOS, _rq_bio_info_cache);
if (!pools->io_pool)
goto free_pools_and_out;
pools->io_pool = NULL;
if (type == DM_TYPE_BIO_BASED) {
pools->io_pool = mempool_create_slab_pool(MIN_IOS, _io_cache);
if (!pools->io_pool)
goto free_pools_and_out;
}
pools->tio_pool = NULL;
if (type == DM_TYPE_REQUEST_BASED) {
@ -2814,7 +2802,8 @@ free_tio_pool_and_out:
mempool_destroy(pools->tio_pool);
free_io_pool_and_out:
mempool_destroy(pools->io_pool);
if (pools->io_pool)
mempool_destroy(pools->io_pool);
free_pools_and_out:
kfree(pools);