On Dec 7, 2007 12:42 AM, NeilBrown <neilb@suse.de> wrote:
>
> Currently and md array with a write-intent bitmap does not updated
> that bitmap to reflect successful partial resync.  Rather the entire
> bitmap is updated when the resync completes.
>
> This is because there is no guarentee that resync requests will
> complete in order, and tracking each request individually is
> unnecessarily burdensome.
>
> However there is value in regularly updating the bitmap, so add code
> to periodically pause while all pending sync requests complete, then
> update the bitmap.  Doing this only every few seconds (the same as the
> bitmap update time) does not notciably affect resync performance.
>
> Signed-off-by: Neil Brown <neilb@suse.de>

Hi Neil,

You forgot to export bitmap_cond_end_sync.  Please see the attached patch.

regards,
Mike