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-rw-r--r--fs/btrfs/extent-tree.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 99a8e57da8a1..b77ffbc3a145 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -10279,8 +10279,10 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
block_group = list_first_entry(&fs_info->unused_bgs,
struct btrfs_block_group_cache,
bg_list);
- space_info = block_group->space_info;
list_del_init(&block_group->bg_list);
+
+ space_info = block_group->space_info;
+
if (ret || btrfs_mixed_space_info(space_info)) {
btrfs_put_block_group(block_group);
continue;
@@ -10294,7 +10296,8 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
spin_lock(&block_group->lock);
if (block_group->reserved ||
btrfs_block_group_used(&block_group->item) ||
- block_group->ro) {
+ block_group->ro ||
+ list_is_singular(&block_group->list)) {
/*
* We want to bail if we made new allocations or have
* outstanding allocations in this block group. We do