>>>>> "Petr" == Petr Vandrovec <petr@xxxxxxxxxx> writes: Petr> After investigating, problem seems to be in a way completion Petr> handler for WRITE_SAME handles EOPNOTSUPP error, causing Petr> all-but-first WRITE_SAME request on the LVM device to be silently Petr> ignored - command is never issued, but success is returned to Petr> higher layers. Commit 7eee4ae2dbb2 was meant to address this issue. Does it still happen with that in place? -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html