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ubifs: rename_whiteout: correct old_dir size computing

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commit 7057572745 upstream.

When renaming the whiteout file, the old whiteout file is not deleted.
Therefore, we add the old dentry size to the old dir like XFS.
Otherwise, an error may be reported due to `fscki->calc_sz != fscki->size`
in check_indes.

Fixes: 9e0a1fff8d ("ubifs: Implement RENAME_WHITEOUT")
Reported-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baokun Li
2022-02-15 12:07:36 +08:00
committed by Greg Kroah-Hartman
parent c34ae24a25
commit 8a0c70c238
1 changed files with 3 additions and 0 deletions
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3
fs/ubifs/dir.c
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@@ -1360,6 +1360,9 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
iput(whiteout);
goto out_release;
}
/* Add the old_dentry size to the old_dir size. */
old_sz -= CALC_DENT_SIZE(fname_len(&old_nm));
}
lock_4_inodes(old_dir, new_dir, new_inode, whiteout);