On 03/12/2014 10:21 PM, Guangliang Zhao wrote: > This patch add the discard support for rbd driver. > > There are there types operation in the driver: > 1. The objects would be removed if they completely contained > within the discard range. > 2. The objects would be truncated if they partly contained within > the discard range, and align with their boundary. > 3. Others would be zeroed. > > A discard request from blkdev_issue_discard() is defined which > REQ_WRITE and REQ_DISCARD both marked and no data, so we must > check the REQ_DISCARD first when getting the request type. > > This resolve: > http://tracker.ceph.com/issues/190 > > Signed-off-by: Guangliang Zhao <lucienchao@xxxxxxxxx> Looks good. Reviewed-by: Alex Elder <elder@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
