Re: [PATCH] pstore: Convert internal records to timespec64

From: Deepa Dinamani
Date: Sat May 12 2018 - 13:45:58 EST


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

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@xxxxxxxxxxxx> wrote:
> This prepares pstore for converting the VFS layer to timespec64.
>
> Cc: Deepa Dinamani <deepa.kernel@xxxxxxxxx>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> ---
> 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