queue-6.6/btrfs-send-add-and-use-helper-to-rename-current-inode-when-processing-refs.patch

From stable+bounces-171730-greg=kroah.com@vger.kernel.org Tue Aug 19 04:40:32 2025
From: Sasha Levin <sashal@kernel.org>
Date: Mon, 18 Aug 2025 22:40:16 -0400
Subject: btrfs: send: add and use helper to rename current inode when processing refs
To: stable@vger.kernel.org
Cc: Filipe Manana <fdmanana@suse.com>, David Sterba <dsterba@suse.com>, Sasha Levin <sashal@kernel.org>
Message-ID: <20250819024020.291759-3-sashal@kernel.org>

From: Filipe Manana <fdmanana@suse.com>

[ Upstream commit ec666c84deba56f714505b53556a97565f72db86 ]

Extract the logic to rename the current inode at process_recorded_refs()
into a helper function and use it, therefore removing duplicated logic
and making it easier for an upcoming patch by avoiding yet more duplicated
logic.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Stable-dep-of: 005b0a0c24e1 ("btrfs: send: use fallocate for hole punching with send stream v2")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/btrfs/send.c |   23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4166,6 +4166,19 @@ out:
 	return ret;
 }
 
+static int rename_current_inode(struct send_ctx *sctx,
+				struct fs_path *current_path,
+				struct fs_path *new_path)
+{
+	int ret;
+
+	ret = send_rename(sctx, current_path, new_path);
+	if (ret < 0)
+		return ret;
+
+	return fs_path_copy(current_path, new_path);
+}
+
 /*
  * This does all the move/link/unlink/rmdir magic.
  */
@@ -4451,13 +4464,10 @@ static int process_recorded_refs(struct
 		 * it depending on the inode mode.
 		 */
 		if (is_orphan && can_rename) {
-			ret = send_rename(sctx, valid_path, cur->full_path);
+			ret = rename_current_inode(sctx, valid_path, cur->full_path);
 			if (ret < 0)
 				goto out;
 			is_orphan = false;
-			ret = fs_path_copy(valid_path, cur->full_path);
-			if (ret < 0)
-				goto out;
 		} else if (can_rename) {
 			if (S_ISDIR(sctx->cur_inode_mode)) {
 				/*
@@ -4465,10 +4475,7 @@ static int process_recorded_refs(struct
 				 * dirs, we always have one new and one deleted
 				 * ref. The deleted ref is ignored later.
 				 */
-				ret = send_rename(sctx, valid_path,
-						  cur->full_path);
-				if (!ret)
-					ret = fs_path_copy(valid_path,
+				ret = rename_current_inode(sctx, valid_path,
 							   cur->full_path);
 				if (ret < 0)
 					goto out;