On Tue, Jun 29 2010 at 1:25am -0400, Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > Allow discards to be passed through to a single device linear mapping. > Introduce DM_TARGET_SUPPORTS_DISCARDS target features flag that each > target must set once discard support is added. > > Verify table's underlying devices support discards prior to setting the > associated DM device as capable of discards (via QUEUE_FLAG_DISCARD). > > Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx> I mistakenly dropped Joe's Reviewed-by after making agk's suggested (minor) changes for v3: - invert if..else logic in __clone_and_map_discard - remove unnecessary uninitialized_var() in dm_table_supports_discards Reviewed-by: Joe Thornber <thornber@xxxxxxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel