On Mon, May 02, 2011 at 09:16:21AM +0200, Lukas Czerner wrote: > However when we have dm device where part of the device supports > discard due to underlying hardware capability we just can not return > EOPNOTSUPP from blkdev_issue_discard, because it is just not true! EOPNOTSUPP from dm means the operation was not supported on that *one* bio. It does *not* tell you anything in general about the device, or whether you'd get the same error from different bios in future. Alasdair _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
