Re: [PATCH v1 3/9] ntfs: propagate reparse index insertion failure

2026년 8월 21일 (금) 오후 2:33, Baolin Liu <[email protected]>님이 작성:
>
> From: Baolin Liu <[email protected]>
>
> update_reparse_data() ignores the return value of
> set_reparse_index(). When index insertion fails, the code removes
> the just-written reparse data as cleanup but still returns 0, so
> symlink(2) (and WSL special file creation) reports success while
> no reparse data exists on disk. When there was no previous reparse
> data (oldsize == 0), the failure was likewise silently ignored.
>
> Propagate the error to the caller.
>
> Fixes: fc053f05ca28 ("ntfs: add reparse and ea operations")
> Signed-off-by: Baolin Liu <[email protected]>

Looks good to me.

Reviewed-by: Hyunchul Lee <[email protected]>

> ---
>  fs/ntfs/reparse.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/fs/ntfs/reparse.c b/fs/ntfs/reparse.c
> index a8e413c61353..905ee08422d4 100644
> --- a/fs/ntfs/reparse.c
> +++ b/fs/ntfs/reparse.c
> @@ -618,8 +618,9 @@ static int update_reparse_data(struct ntfs_inode *ni, struct ntfs_index_context
>                 goto put_rp_inode;
>         }
>
> -       if (set_reparse_index(ni, xr, ((const struct reparse_point *)value)->reparse_tag) &&
> -           oldsize > 0) {
> +       err = set_reparse_index(ni, xr,
> +                               ((const struct reparse_point *)value)->reparse_tag);
> +       if (err && oldsize > 0) {
>                 /*
>                  * If cannot index, try to remove the reparse
>                  * data and log the error. There will be an
> --
> 2.51.0
>
>


-- 
Thanks,
Hyunchul