[v3,07/18] ceph: use ->invalidatepage() length argument

->invalidatepage() aop now accepts range to invalidate so we can make
use of it in ceph_invalidatepage().

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Cc: ceph-devel@vger.kernel.org
---
 fs/ceph/addr.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

On Tue, Apr 09, 2013 at 11:14:16AM +0200, Lukas Czerner wrote:
> ->invalidatepage() aop now accepts range to invalidate so we can make
> use of it in ceph_invalidatepage().
> 
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
> Cc: ceph-devel@vger.kernel.org

To ceph-devel,

Since half of this patch series modifies ext4 extensively, and changes
to the other file systems are relatively small, I plan to carry the
invalidatepage patch set in the ext4 tree for the next development
cycle (i.e., not the upcoming merge window, but the next one).  To
that end, it would be great if you take a look at this patch set and
send us an Acked-by signoff.

Thanks!!

						- Ted
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On Tue, 9 Apr 2013, Lukas Czerner wrote:
> ->invalidatepage() aop now accepts range to invalidate so we can make
> use of it in ceph_invalidatepage().
> 
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
> Cc: ceph-devel@vger.kernel.org

Acked-by: Sage Weil <sage@inktank.com>


> ---
>  fs/ceph/addr.c |   12 ++++++------
>  1 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
> index 168a35a..d953afd 100644
> --- a/fs/ceph/addr.c
> +++ b/fs/ceph/addr.c
> @@ -164,20 +164,20 @@ static void ceph_invalidatepage(struct page *page, unsigned int offset,
>  	if (!PageDirty(page))
>  		pr_err("%p invalidatepage %p page not dirty\n", inode, page);
>  
> -	if (offset == 0)
> +	if (offset == 0 && length == PAGE_CACHE_SIZE)
>  		ClearPageChecked(page);
>  
>  	ci = ceph_inode(inode);
> -	if (offset == 0) {
> -		dout("%p invalidatepage %p idx %lu full dirty page %u\n",
> -		     inode, page, page->index, offset);
> +	if (offset == 0 && length == PAGE_CACHE_SIZE) {
> +		dout("%p invalidatepage %p idx %lu full dirty page\n",
> +		     inode, page, page->index);
>  		ceph_put_wrbuffer_cap_refs(ci, 1, snapc);
>  		ceph_put_snap_context(snapc);
>  		page->private = 0;
>  		ClearPagePrivate(page);
>  	} else {
> -		dout("%p invalidatepage %p idx %lu partial dirty page\n",
> -		     inode, page, page->index);
> +		dout("%p invalidatepage %p idx %lu partial dirty page %u(%u)\n",
> +		     inode, page, page->index, offset, length);
>  	}
>  }
>  
> -- 
> 1.7.7.6
> 
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