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[3/6] ubifs: Add comments and debug info for ubifs_xrename()

Message ID 20221011034732.45605-4-chengzhihao1@huawei.com
State Accepted
Delegated to: Richard Weinberger
Headers show
Series ubifs: Fix wrong space calculation while doing budget | expand

Commit Message

Zhihao Cheng Oct. 11, 2022, 3:47 a.m. UTC 
Just like other operations (eg. ubifs_create, do_rename), add comments
and debug information for ubifs_xrename().

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
---
 fs/ubifs/dir.c | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index eeda471f05ee..53c5442f48b7 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1565,6 +1565,15 @@  static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry,
 
 	ubifs_assert(c, fst_inode && snd_inode);
 
+	/*
+	 * Budget request settings: changing two direntries, changing the two
+	 * parent directory inodes.
+	 */
+
+	dbg_gen("dent '%pd' ino %lu in dir ino %lu exchange dent '%pd' ino %lu in dir ino %lu",
+		old_dentry, fst_inode->i_ino, old_dir->i_ino,
+		new_dentry, snd_inode->i_ino, new_dir->i_ino);
+
 	err = fscrypt_setup_filename(old_dir, &old_dentry->d_name, 0, &fst_nm);
 	if (err)
 		return err;