>>>>> "Mark" == Mark Lord <kernel@xxxxxxxxxxxx> writes: Mark> Looks to me like more and more things are using the block discard Mark> functionality, and as predicted it is slowing things down Mark> enormously. Mark> The problem is that we still only discard tiny bits (a single Mark> range still??) per TRIM command, rather than batching larger Mark> ranges and larger numbers of ranges into single TRIM commands. Mark> That's a very poor implementation, especially when things start Mark> enabling it by default. Eg. the swap code, mke2fs, etc.. I'm working on aggregation. But it's harder than we initially thought... -- Martin K. Petersen Oracle Linux Engineering _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm