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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index acf3ed1..7820093 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -10256,6 +10256,17 @@ out:
return ret;
}
+struct btrfs_trans_handle *
+btrfs_start_trans_remove_block_group(struct btrfs_fs_info *fs_info)
+{
+ /*
+ * 1 unit for adding the free space inode's orphan (located in the tree
+ * of tree roots).
+ */
+ return btrfs_start_transaction_fallback_global_rsv(fs_info->extent_root,
+ 1, 1);
+}
+
/*
* Process the unused_bgs list and remove any that don't have any allocated
* space inside of them.
@@ -10322,8 +10333,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
* Want to do this before we do anything else so we can recover
* properly if we fail to join the transaction.
*/
- /* 1 for btrfs_orphan_reserve_metadata() */
- trans = btrfs_start_transaction(root, 1);
+ trans = btrfs_start_trans_remove_block_group(fs_info);
if (IS_ERR(trans)) {
btrfs_dec_block_group_ro(root, block_group);
ret = PTR_ERR(trans);
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