== sanity test 46: dirtying a previously written page ========================================================================== 19:14:53 (1790896493) vm.dirty_writeback_centisecs = 0 vm.dirty_writeback_centisecs = 0 vm.dirty_ratio = 50 vm.dirty_background_ratio = 25 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00662967 s, 618 kB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00117957 s, 3.5 MB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00385297 s, 1.1 MB/s vm.dirty_writeback_centisecs = 500 vm.dirty_background_ratio = 10 vm.dirty_ratio = 30 vm.dirty_writeback_centisecs = 500 vm.dirty_background_ratio = 10 vm.dirty_ratio = 30