btrfs: don't use the extent_root in flush_space

We only need the root to start a transaction, and since it's a global
root we can pick anything, change to the tree_root as we'll have a lot
of extent roots in the future.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-11-05 16:45:43 -04:00 committed by David Sterba
parent 30a9da5d8d
commit ce5603d015

View File

@ -617,7 +617,7 @@ static void flush_space(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *space_info, u64 num_bytes,
enum btrfs_flush_state state, bool for_preempt)
{
struct btrfs_root *root = fs_info->extent_root;
struct btrfs_root *root = fs_info->tree_root;
struct btrfs_trans_handle *trans;
int nr;
int ret = 0;