On Tue, Apr 08, 2014 at 02:48:51PM -0700, Josh Durgin wrote: > On 04/01/2014 07:22 AM, Guangliang Zhao wrote: > >This patch add the discard support for rbd driver. > > > >There are three 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> > >--- > > Thanks for fixing these up! I've added them to the wip-discard branch > in ceph-client.git, which I'll post for review shortly. > > Josh > Thanks. -- Best regards, Guangliang -- 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