>>>>> "Ming" == Ming Lin <m...@kernel.org> writes:
Ming> Did you mean still use (UINT_MAX >> 9) in blkdev_issue_discard()? Ming> But that doesn't work for dm-thinp. See Kent's suggestion to use Ming> 1<<31. I'm not sure why things are not working for dm-thinp. Presumably Kent's code would split the discard at a granularity boundary so why would that cause problems for dm? In looking at this I just found out that we'll corrupt data on certain SCSI configs with the granularity enforcement in place. I'll have to conjure up a fix for that... -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/