btrfs: remove unused btrfs_free_squota_rsv()

btrfs_free_squota_rsv() was added in commit
e85a0adacf17 ("btrfs: ensure releasing squota reserve on head refs")
but has remained unused since then.
Remove it as we don't seem to need it and was probably a leftover.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 4276c4607c56843ee7fde734e51433042abbe729..5a42fefd3d11b2c6f2aefe032268f203fcb96405 100644 (file)
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -4893,17 +4893,6 @@ void btrfs_qgroup_destroy_extent_records(struct btrfs_transaction *trans)
        xa_destroy(&trans->delayed_refs.dirty_extents);
 }
 
-void btrfs_free_squota_rsv(struct btrfs_fs_info *fs_info, u64 root, u64 rsv_bytes)
-{
-       if (btrfs_qgroup_mode(fs_info) != BTRFS_QGROUP_MODE_SIMPLE)
-               return;
-
-       if (!is_fstree(root))
-               return;
-
-       btrfs_qgroup_free_refroot(fs_info, root, rsv_bytes, BTRFS_QGROUP_RSV_DATA);
-}
-
 int btrfs_record_squota_delta(struct btrfs_fs_info *fs_info,
                              const struct btrfs_squota_delta *delta)
 {

diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
index c36019abc82f42b964185e01a20cb5a51ef12228..afb184c4d7441f7e3678a0df4a4a92654b3337a5 100644 (file)
--- a/fs/btrfs/qgroup.h
+++ b/fs/btrfs/qgroup.h
@@ -449,7 +449,6 @@ int btrfs_qgroup_trace_subtree_after_cow(struct btrfs_trans_handle *trans,
                struct btrfs_root *root, struct extent_buffer *eb);
 void btrfs_qgroup_destroy_extent_records(struct btrfs_transaction *trans);
 bool btrfs_check_quota_leak(const struct btrfs_fs_info *fs_info);
-void btrfs_free_squota_rsv(struct btrfs_fs_info *fs_info, u64 root, u64 rsv_bytes);
 int btrfs_record_squota_delta(struct btrfs_fs_info *fs_info,
                              const struct btrfs_squota_delta *delta);