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 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
