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-rw-r--r--fs/btrfs/volumes.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 035efce..4ff3995 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2908,8 +2908,8 @@ out:
static int btrfs_relocate_chunk(struct btrfs_root *root, u64 chunk_offset)
{
struct btrfs_root *extent_root;
- struct btrfs_trans_handle *trans;
int ret;
+ struct btrfs_block_group_cache *block_group;
root = root->fs_info->chunk_root;
extent_root = root->fs_info->extent_root;
@@ -2939,21 +2939,17 @@ static int btrfs_relocate_chunk(struct btrfs_root *root, u64 chunk_offset)
if (ret)
return ret;
- trans = btrfs_start_trans_remove_block_group(root->fs_info,
- chunk_offset);
- if (IS_ERR(trans)) {
- ret = PTR_ERR(trans);
- btrfs_handle_fs_error(root->fs_info, ret, NULL);
- return ret;
- }
-
/*
- * step two, delete the device extents and the
- * chunk tree entries
+ * step two, flag the chunk as removed and let
+ * btrfs_delete_unused_bgs() remove it.
*/
- ret = btrfs_remove_chunk(trans, root, chunk_offset);
- btrfs_end_transaction(trans, extent_root);
- return ret;
+ block_group = btrfs_lookup_block_group(root->fs_info, chunk_offset);
+ spin_lock(&block_group->lock);
+ block_group->removed = 1;
+ spin_unlock(&block_group->lock);
+ btrfs_put_block_group(block_group);
+
+ return 0;
}
static int btrfs_relocate_sys_chunks(struct btrfs_root *root)
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