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

From: Jeff Layton
Date: Thu Mar 01 2012 - 07:26:11 EST


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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