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authorZhiqiang Liu <liuzhiqiang26@huawei.com>2022-02-16 09:37:03 +0300
committerMike Snitzer <snitzer@redhat.com>2022-02-22 21:55:50 +0300
commit75274a4bf2da6b17155f8b4e54c4bb3b665c95e3 (patch)
tree72d076f7089a52b2d3450292268d257868d2e479 /drivers/md
parent8ca8b1e147b7235527bef1a4ea274cc8894e98c5 (diff)
downloadlinux-75274a4bf2da6b17155f8b4e54c4bb3b665c95e3.tar.xz
dm thin metadata: remove unused dm_thin_remove_block and __remove
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-thin-metadata.c28
-rw-r--r--drivers/md/dm-thin-metadata.h1
2 files changed, 0 insertions, 29 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 1a96a07cbf44..2db7030aba00 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -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)
{
diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h
index 7ef56bd2a7e3..4d7a2caf21d9 100644
--- a/drivers/md/dm-thin-metadata.h
+++ b/drivers/md/dm-thin-metadata.h
@@ -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);