[PATCH] btrfs: Remove unused btrfs_free_squota_rsv

[linux@treblig.org]

From: "Dr. David Alan Gilbert" <linux@treblig.org>

btrfs_free_squota_rsv() was added in commit
e85a0adacf17 ("btrfs: ensure releasing squota reserve on head refs")

but has remained unused.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 fs/btrfs/qgroup.c | 11 -----------
 fs/btrfs/qgroup.h |  1 -
 2 files changed, 12 deletions(-)

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index c297909f1506..52f0cf7621d6 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -4883,17 +4883,6 @@ 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 98adf4ec7b01..d72e09de2d64 100644
--- a/fs/btrfs/qgroup.h
+++ b/fs/btrfs/qgroup.h
@@ -440,7 +440,6 @@ 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);
 
-- 
2.46.2