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

[Jan Kara]

On Thu 16-02-12 11:13:53, Sage Weil wrote:
> On Thu, 16 Feb 2012, Alex Elder wrote:
> > 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.
> 
> Yeah.  Let's put something in the tracker to take a look later (I think we 
> can do better), but this is okay for now.
> 
> Signed-off-by: Sage Weil <sage@xxxxxxxxxxxx>
  Thanks! Just an administrative note - the tag above should rather be
Acked-by or Reviewed-by. You'd use Signed-off-by only if you took the patch
and merged it via your tree... So can I add Acked-by?

								Honza

> > 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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> > 
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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