On Tue, Jan 29, 2013 at 05:43:31PM +0100, David Sterba wrote: > On Tue, Jan 29, 2013 at 08:50:34AM -0500, Josef Bacik wrote: > You can use scsi_debug device with > > parm: lbpu:enable LBP, support UNMAP command (def=0) (int) Also, loop device with a file backed by a filesystem with hole punch support also understands TRIM. david -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
