Commit 75274a4b authored by Zhiqiang Liu's avatar Zhiqiang Liu Committed by Mike Snitzer
Browse files

dm thin metadata: remove unused dm_thin_remove_block and __remove 



Signed-off-by: default avatarZhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 8ca8b1e1

drivers/md/dm-thin-metadata.c

+0 −28
Original line number Diff line number Diff line
@@ -1665,22 +1665,6 @@ int dm_thin_insert_block(struct dm_thin_device *td, dm_block_t block, 
	return r;

}



static int __remove(struct dm_thin_device *td, dm_block_t block)

{

	int r;

	struct dm_pool_metadata *pmd = td->pmd;

	dm_block_t keys[2] = { td->id, block };



	r = dm_btree_remove(&pmd->info, pmd->root, keys, &pmd->root);

	if (r)

		return r;



	td->mapped_blocks--;

	td->changed = true;



	return 0;

}



static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_t end)

{

	int r;
@@ -1740,18 +1724,6 @@ static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_ 
	return dm_btree_insert(&pmd->tl_info, pmd->root, keys, &value, &pmd->root);

}



int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block)

{

	int r = -EINVAL;



	pmd_write_lock(td->pmd);

	if (!td->pmd->fail_io)

		r = __remove(td, block);

	pmd_write_unlock(td->pmd);



	return r;

}



int dm_thin_remove_range(struct dm_thin_device *td,

			 dm_block_t begin, dm_block_t end)

{

drivers/md/dm-thin-metadata.h

+0 −1
Original line number Diff line number Diff line
@@ -166,7 +166,6 @@ int dm_pool_alloc_data_block(struct dm_pool_metadata *pmd, dm_block_t *result); 
int dm_thin_insert_block(struct dm_thin_device *td, dm_block_t block,

			 dm_block_t data_block);



int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block);

int dm_thin_remove_range(struct dm_thin_device *td,

			 dm_block_t begin, dm_block_t end);