Re: [PATCH 4/9] cifs: Push file_update_time() into cifs_page_mkwrite()

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On Thu,  1 Mar 2012 12:41:38 +0100
Jan Kara <jack@xxxxxxx> wrote:

> CC: Steve French <sfrench@xxxxxxxxx>
> CC: linux-cifs@xxxxxxxxxxxxxxx
> Signed-off-by: Jan Kara <jack@xxxxxxx>
> ---
>  fs/cifs/file.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/cifs/file.c b/fs/cifs/file.c
> index 4dd9283..8e3b23b 100644
> --- a/fs/cifs/file.c
> +++ b/fs/cifs/file.c
> @@ -2425,6 +2425,9 @@ cifs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
>  {
>  	struct page *page = vmf->page;
>  
> +	/* Update file times before taking page lock */
> +	file_update_time(vma->vm_file);
> +
>  	lock_page(page);
>  	return VM_FAULT_LOCKED;
>  }

Sorry, I meant to comment on this earlier...

I think we can probably drop this patch. cifs doesn't currently set
S_NOCMTIME on all inodes (only when MS_NOATIME is set currently), but I
think that it probably should. Timestamps should be the purview of the
server.

-- 
Jeff Layton <jlayton@xxxxxxxxxx>

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