== sanity test 46: dirtying a previously written page ========================================================================== 09:15:47 (1789132547) 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, 0.0256319 s, 160 kB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0286986 s, 143 kB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00619581 s, 661 kB/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