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-rw-r--r--fs/btrfs/ctree.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0888c3e2cc7d..ed610f9c04b2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -531,7 +531,10 @@ struct btrfs_super_block {
#define BTRFS_FEATURE_COMPAT_SUPP 0ULL
#define BTRFS_FEATURE_COMPAT_SAFE_SET 0ULL
#define BTRFS_FEATURE_COMPAT_SAFE_CLEAR 0ULL
-#define BTRFS_FEATURE_COMPAT_RO_SUPP 0ULL
+
+#define BTRFS_FEATURE_COMPAT_RO_SUPP \
+ (BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE)
+
#define BTRFS_FEATURE_COMPAT_RO_SAFE_SET 0ULL
#define BTRFS_FEATURE_COMPAT_RO_SAFE_CLEAR 0ULL
@@ -2203,6 +2206,7 @@ struct btrfs_ioctl_defrag_range_args {
#define BTRFS_MOUNT_CHECK_INTEGRITY_INCLUDING_EXTENT_DATA (1 << 21)
#define BTRFS_MOUNT_PANIC_ON_FATAL_ERROR (1 << 22)
#define BTRFS_MOUNT_RESCAN_UUID_TREE (1 << 23)
+#define BTRFS_MOUNT_FREE_SPACE_TREE (1 << 24)
#define BTRFS_DEFAULT_COMMIT_INTERVAL (30)
#define BTRFS_DEFAULT_MAX_INLINE (8192)
@@ -3744,6 +3748,7 @@ static inline void free_fs_info(struct btrfs_fs_info *fs_info)
kfree(fs_info->csum_root);
kfree(fs_info->quota_root);
kfree(fs_info->uuid_root);
+ kfree(fs_info->free_space_root);
kfree(fs_info->super_copy);
kfree(fs_info->super_for_commit);
security_free_mnt_opts(&fs_info->security_opts);