linux-kernel - Re: [PATCH] pstore: Convert internal records to timespec64

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Message-ID: <CABeXuvpdH190cc5vhiqUkjK6B3UD9Bjy_TVPD=C-kBbHTUZmug@mail.gmail.com>
Date:   Sat, 12 May 2018 10:45:50 -0700
From:   Deepa Dinamani <deepa.kernel@...il.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>
Subject: Re: [PATCH] pstore: Convert internal records to timespec64

 Acked-by: Deepa Dinamani <deepa.kernel@...il.com>

I will rebase the vfs series on top of this.
I'm a little worried about merge strategy.
Whoever is taking that series should pull in this patch as well?
I could include it as one of the patches in the series if you prefer.

-Deepa

On Fri, May 11, 2018 at 11:57 PM, Kees Cook <keescook@...omium.org> wrote:
> This prepares pstore for converting the VFS layer to timespec64.
>
> Cc: Deepa Dinamani <deepa.kernel@...il.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
>  fs/pstore/inode.c      | 3 ++-
>  fs/pstore/platform.c   | 2 +-
>  include/linux/pstore.h | 2 +-
>  3 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
> index 5fcb845b9fec..75afe5eb0574 100644
> --- a/fs/pstore/inode.c
> +++ b/fs/pstore/inode.c
> @@ -392,7 +392,8 @@ 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 =
> +                       timespec64_to_timespec(record->time);
>
>         d_add(dentry, inode);
>
> diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
> index dc720573fd53..c238ab8ba31d 100644
> --- a/fs/pstore/platform.c
> +++ b/fs/pstore/platform.c
> @@ -328,7 +328,7 @@ void pstore_record_init(struct pstore_record *record,
>         record->psi = psinfo;
>
>         /* Report zeroed timestamp if called before timekeeping has resumed. */
> -       record->time = ns_to_timespec(ktime_get_real_fast_ns());
> +       record->time = ns_to_timespec64(ktime_get_real_fast_ns());
>  }
>
>  /*
> diff --git a/include/linux/pstore.h b/include/linux/pstore.h
> index 61f806a7fe29..a15bc4d48752 100644
> --- a/include/linux/pstore.h
> +++ b/include/linux/pstore.h
> @@ -71,7 +71,7 @@ struct pstore_record {
>         struct pstore_info      *psi;
>         enum pstore_type_id     type;
>         u64                     id;
> -       struct timespec         time;
> +       struct timespec64       time;
>         char                    *buf;
>         ssize_t                 size;
>         ssize_t                 ecc_notice_size;
> --
> 2.17.0
>
>
> --
> Kees Cook
> Pixel Security