On Wed, 30 Jun 2010 12:01:04 -0500 James Bottomley <James.Bottomley@xxxxxxx> wrote: > So this is more directly what I'm thinking. It gives us an exactly > correct place to hang the discard allocation in SCSI. The next patch > shows a potential implementation in sd. Yeah, making the prep_rq_fn API symmetrical makes sense lots. > I think it should avoid all the leaks people have been seeing trying to > move the discard allocation/free into scsi. I also think it should > facilitate sending discard through SCSI as a REQ_TYPE_FS. I think so. If I can figure out why qemu scsi driver is broken, the job is done. I'll see how this patchset works and update my FS discard patchset on the top of this. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
