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SubjectRe: [PATCH v2 15/35] ovl: add ovl_fsync()
On Mon, May 7, 2018 at 11:37 AM, Miklos Szeredi <mszeredi@redhat.com> wrote:
> Implement stacked fsync().
>
> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
> ---
> fs/overlayfs/file.c | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
> index a7af56861aa5..419aa3f9967b 100644
> --- a/fs/overlayfs/file.c
> +++ b/fs/overlayfs/file.c
> @@ -233,10 +233,30 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter)
> return ret;
> }
>
> +static int ovl_fsync(struct file *file, loff_t start, loff_t end, int datasync)
> +{
> + struct fd real;
> + const struct cred *old_cred;
> + int ret;
> +

Don't sync non-upper. same as ovl_dir_fsync()

Thanks,
Amir.

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