[PATCH 6.15 14/34] bcachefs: Kill un-reverted directory i_size code

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

6.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kent Overstreet <kent.overstreet@linux.dev>

commit 95fafc0f3407a6446082c11849df585bd3246571 upstream.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/bcachefs/dirent.c |   12 ++----------
 fs/bcachefs/dirent.h |    4 ++--
 fs/bcachefs/namei.c  |    4 ++--
 3 files changed, 6 insertions(+), 14 deletions(-)

--- a/fs/bcachefs/dirent.c
+++ b/fs/bcachefs/dirent.c
@@ -395,8 +395,8 @@ int bch2_dirent_read_target(struct btree
 }
 
 int bch2_dirent_rename(struct btree_trans *trans,
-		subvol_inum src_dir, struct bch_hash_info *src_hash, u64 *src_dir_i_size,
-		subvol_inum dst_dir, struct bch_hash_info *dst_hash, u64 *dst_dir_i_size,
+		subvol_inum src_dir, struct bch_hash_info *src_hash,
+		subvol_inum dst_dir, struct bch_hash_info *dst_hash,
 		const struct qstr *src_name, subvol_inum *src_inum, u64 *src_offset,
 		const struct qstr *dst_name, subvol_inum *dst_inum, u64 *dst_offset,
 		enum bch_rename_mode mode)
@@ -535,14 +535,6 @@ int bch2_dirent_rename(struct btree_tran
 	    new_src->v.d_type == DT_SUBVOL)
 		new_src->v.d_parent_subvol = cpu_to_le32(src_dir.subvol);
 
-	if (old_dst.k)
-		*dst_dir_i_size -= bkey_bytes(old_dst.k);
-	*src_dir_i_size -= bkey_bytes(old_src.k);
-
-	if (mode == BCH_RENAME_EXCHANGE)
-		*src_dir_i_size += bkey_bytes(&new_src->k);
-	*dst_dir_i_size += bkey_bytes(&new_dst->k);
-
 	ret = bch2_trans_update(trans, &dst_iter, &new_dst->k_i, 0);
 	if (ret)
 		goto out;
--- a/fs/bcachefs/dirent.h
+++ b/fs/bcachefs/dirent.h
@@ -80,8 +80,8 @@ enum bch_rename_mode {
 };
 
 int bch2_dirent_rename(struct btree_trans *,
-		       subvol_inum, struct bch_hash_info *, u64 *,
-		       subvol_inum, struct bch_hash_info *, u64 *,
+		       subvol_inum, struct bch_hash_info *,
+		       subvol_inum, struct bch_hash_info *,
 		       const struct qstr *, subvol_inum *, u64 *,
 		       const struct qstr *, subvol_inum *, u64 *,
 		       enum bch_rename_mode);
--- a/fs/bcachefs/namei.c
+++ b/fs/bcachefs/namei.c
@@ -418,8 +418,8 @@ int bch2_rename_trans(struct btree_trans
 	}
 
 	ret = bch2_dirent_rename(trans,
-				 src_dir, &src_hash, &src_dir_u->bi_size,
-				 dst_dir, &dst_hash, &dst_dir_u->bi_size,
+				 src_dir, &src_hash,
+				 dst_dir, &dst_hash,
 				 src_name, &src_inum, &src_offset,
 				 dst_name, &dst_inum, &dst_offset,
 				 mode);