linux-kernel - [PATCH] md: remove unused dm_thin_remove

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Message-ID: <b0ec028e-bc9e-f705-9674-ffc4a01ee2f0@huawei.com>
Date:   Wed, 16 Feb 2022 14:37:03 +0800
From:   Zhiqiang Liu <liuzhiqiang26@...wei.com>
To:     <agk@...hat.com>, Mike Snitzer <snitzer@...hat.com>
CC:     <dm-devel@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linfeilong <linfeilong@...wei.com>,
        lixiaokeng <lixiaokeng@...wei.com>,
        wuguanghao <wuguanghao3@...wei.com>
Subject: [PATCH] md: remove unused dm_thin_remove_block()


dm_thin_remove_block() is no longer unused, just remove it.

Signed-off-by: Zhiqiang Liu <liuzhiqiang26@...wei.com>
---
 drivers/md/dm-thin-metadata.c | 12 ------------
 drivers/md/dm-thin-metadata.h |  1 -
 2 files changed, 13 deletions(-)

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 1a96a07cbf44..986a2dc9a686 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1740,18 +1740,6 @@ 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);

-- 
2.32.0