diff options
Diffstat (limited to 'extent-tree.c')
| -rw-r--r-- | extent-tree.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/extent-tree.c b/extent-tree.c index 3e32e43b..b12ee290 100644 --- a/extent-tree.c +++ b/extent-tree.c @@ -3250,6 +3250,7 @@ int btrfs_read_block_groups(struct btrfs_root *root) } leaf = path->nodes[0]; btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); + cache = kzalloc(sizeof(*cache), GFP_NOFS); if (!cache) { ret = -ENOMEM; @@ -3266,6 +3267,17 @@ int btrfs_read_block_groups(struct btrfs_root *root) if (found_key.offset == 0) key.objectid++; btrfs_release_path(path); + + /* + * Skip 0 sized block group, don't insert them into block + * group cache tree, as its length is 0, it won't get + * freed at close_ctree() time. + */ + if (found_key.offset == 0) { + free(cache); + continue; + } + cache->flags = btrfs_block_group_flags(&cache->item); bit = 0; if (cache->flags & BTRFS_BLOCK_GROUP_DATA) { |