Re: [PATCH 6/6] vfs: change inode times to use struct timespec64

From: Kees Cook
Date: Sat May 12 2018 - 02:44:55 EST


On Fri, May 11, 2018 at 9:59 PM, Deepa Dinamani <deepa.kernel@xxxxxxxxx> wrote:
> diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
> index 5fcb845b9fec..fb681d302bb3 100644
> --- a/fs/pstore/inode.c
> +++ b/fs/pstore/inode.c
> @@ -392,7 +392,7 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record)
> inode->i_private = private;
>
> if (record->time.tv_sec)
> - inode->i_mtime = inode->i_ctime = record->time;
> + inode->i_mtime = inode->i_ctime = timespec_to_timespec64(record->time);
>
> d_add(dentry, inode);

I'm fine to just convert pstore internally to timespec64 right now. Is
it correct to say that I should use timespec64_to_timespec() here
until this flag day patch? And I'd need to do this as well, yes?

fs/pstore/platform.c: record->time =
ns_to_timespec64(ktime_get_real_fast_ns());

Thanks!

-Kees

--
Kees Cook
Pixel Security