From: Robbie Ko <robbieko@xxxxxxxxxxxx>
When we have never used space_cache=v1, we don't need to update
the free space inode, and try to free up the space occupied by the
free space inode.
Signed-off-by: Robbie Ko <robbieko@xxxxxxxxxxxx>
---
fs/btrfs/extent-tree.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1d49694..d3bba07 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3403,6 +3403,13 @@ static int cache_save_setup(struct btrfs_block_group_cache *block_group,
if (trans->aborted)
return 0;
+
+ if (btrfs_super_cache_generation(fs_info->super_copy) == (u64)-1 &&
+ !btrfs_test_opt(fs_info, SPACE_CACHE)) {
+ dcs = BTRFS_DC_WRITTEN;
+ goto out;
+ }
+
again:
inode = lookup_free_space_inode(fs_info, block_group, path);
if (IS_ERR(inode) && PTR_ERR(inode) != -ENOENT) {
--
1.9.1
