Re: [PATCH 04/11] ceph: Push file_update_time() into ceph_page_mkwrite()

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On Thu, 2012-02-16 at 14:46 +0100, Jan Kara wrote:
> CC: Sage Weil <sage@xxxxxxxxxxxx>
> CC: ceph-devel@xxxxxxxxxxxxxxx
> Signed-off-by: Jan Kara <jack@xxxxxxx>


This will update the timestamp even if a write
fault fails, which is different from before.

Hard to avoid though.

Looks good to me.

Signed-off-by: Alex Elder <elder@xxxxxxxxxxxxx>

>  fs/ceph/addr.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
> index 173b1d2..12b139f 100644
> --- a/fs/ceph/addr.c
> +++ b/fs/ceph/addr.c
> @@ -1181,6 +1181,9 @@ static int ceph_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
>  	loff_t size, len;
>  	int ret;
>  
> +	/* Update time before taking page lock */
> +	file_update_time(vma->vm_file);
> +
>  	size = i_size_read(inode);
>  	if (off + PAGE_CACHE_SIZE <= size)
>  		len = PAGE_CACHE_SIZE;



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