Re: [Xen-devel] Fwd: xentop reporting zero written sectors

[Andy Burns <xen.lists@xxxxxxxxxxx>]

On 13 October 2011 22:10, Andy Burns <xen.lists@xxxxxxxxxxx> wrote:

> On 10 October 2011 17:31, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> 
> wrote:
>
>> I think this new "feature" below will fix it for you:
> What kernel version is that patch based on?

I did eventually build a kernel with a lightly tweaked version of that
patch, to allow for Fedora's patched vanilla 3.0 plus rc9 patches

my VBD_WSECT counters are now merricly clocking up, so feel free to add

Acked-by: Andy Burns <andy@xxxxxxxxx>

--- a/drivers/block/xen-blkback/blkback.c
--- b/drivers/block/xen-blkback/blkback.c
@@ -685,7 +685,7 @@

        if (operation == READ)
                blkif->st_rd_sect += preq.nr_sects;
-       else if (operation == WRITE || operation == WRITE_FLUSH)
+       else if (operation == WRITE_ODIRECT || operation == WRITE_FLUSH)
                blkif->st_wr_sect += preq.nr_sects;

        return 0;

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